diff --git a/test/mix/tasks/pleroma/robots_txt_test.exs b/test/mix/tasks/pleroma/robots_txt_test.exs
index 4b369d83c..028aa4ccc 100644
--- a/test/mix/tasks/pleroma/robots_txt_test.exs
+++ b/test/mix/tasks/pleroma/robots_txt_test.exs
@@ -12,7 +12,7 @@ defmodule Mix.Tasks.Pleroma.RobotsTxtTest do
   test "creates new dir" do
     path = "test/fixtures/new_dir/"
     file_path = path <> "robots.txt"
-    Pleroma.Config.put([:instance, :static_dir], path)
+    clear_config([:instance, :static_dir], path)
 
     on_exit(fn ->
       {:ok, ["test/fixtures/new_dir/", "test/fixtures/new_dir/robots.txt"]} = File.rm_rf(path)
@@ -29,7 +29,7 @@ test "creates new dir" do
   test "to existance folder" do
     path = "test/fixtures/"
     file_path = path <> "robots.txt"
-    Pleroma.Config.put([:instance, :static_dir], path)
+    clear_config([:instance, :static_dir], path)
 
     on_exit(fn ->
       :ok = File.rm(file_path)
diff --git a/test/pleroma/activity_test.exs b/test/pleroma/activity_test.exs
index 83757ad56..390a06344 100644
--- a/test/pleroma/activity_test.exs
+++ b/test/pleroma/activity_test.exs
@@ -168,7 +168,7 @@ test "find only local statuses for unauthenticated users", %{local_activity: loc
 
     test "find only local statuses for unauthenticated users  when `limit_to_local_content` is `:all`",
          %{local_activity: local_activity} do
-      Pleroma.Config.put([:instance, :limit_to_local_content], :all)
+      clear_config([:instance, :limit_to_local_content], :all)
       assert [^local_activity] = Activity.search(nil, "find me")
     end
 
@@ -177,7 +177,7 @@ test "find all statuses for unauthenticated users when `limit_to_local_content`
            local_activity: local_activity,
            remote_activity: remote_activity
          } do
-      Pleroma.Config.put([:instance, :limit_to_local_content], false)
+      clear_config([:instance, :limit_to_local_content], false)
 
       activities = Enum.sort_by(Activity.search(nil, "find me"), & &1.id)
 
diff --git a/test/pleroma/application_requirements_test.exs b/test/pleroma/application_requirements_test.exs
index d056cc817..683ac8c96 100644
--- a/test/pleroma/application_requirements_test.exs
+++ b/test/pleroma/application_requirements_test.exs
@@ -9,7 +9,6 @@ defmodule Pleroma.ApplicationRequirementsTest do
   import Mock
 
   alias Pleroma.ApplicationRequirements
-  alias Pleroma.Config
   alias Pleroma.Repo
 
   describe "check_repo_pool_size!/1" do
@@ -37,8 +36,8 @@ test "doesn't raise if the pool size is unexpected but the respective flag is se
     setup do: clear_config([Pleroma.Emails.Mailer])
 
     test "raises if welcome email enabled but mail disabled" do
-      Pleroma.Config.put([:welcome, :email, :enabled], true)
-      Pleroma.Config.put([Pleroma.Emails.Mailer, :enabled], false)
+      clear_config([:welcome, :email, :enabled], true)
+      clear_config([Pleroma.Emails.Mailer, :enabled], false)
 
       assert_raise Pleroma.ApplicationRequirements.VerifyError, "The mail disabled.", fn ->
         capture_log(&Pleroma.ApplicationRequirements.verify!/0)
@@ -59,8 +58,8 @@ test "raises if welcome email enabled but mail disabled" do
     setup do: clear_config([:instance, :account_activation_required])
 
     test "raises if account confirmation is required but mailer isn't enable" do
-      Pleroma.Config.put([:instance, :account_activation_required], true)
-      Pleroma.Config.put([Pleroma.Emails.Mailer, :enabled], false)
+      clear_config([:instance, :account_activation_required], true)
+      clear_config([Pleroma.Emails.Mailer, :enabled], false)
 
       assert_raise Pleroma.ApplicationRequirements.VerifyError,
                    "Account activation enabled, but Mailer is disabled. Cannot send confirmation emails.",
@@ -70,14 +69,14 @@ test "raises if account confirmation is required but mailer isn't enable" do
     end
 
     test "doesn't do anything if account confirmation is disabled" do
-      Pleroma.Config.put([:instance, :account_activation_required], false)
-      Pleroma.Config.put([Pleroma.Emails.Mailer, :enabled], false)
+      clear_config([:instance, :account_activation_required], false)
+      clear_config([Pleroma.Emails.Mailer, :enabled], false)
       assert Pleroma.ApplicationRequirements.verify!() == :ok
     end
 
     test "doesn't do anything if account confirmation is required and mailer is enabled" do
-      Pleroma.Config.put([:instance, :account_activation_required], true)
-      Pleroma.Config.put([Pleroma.Emails.Mailer, :enabled], true)
+      clear_config([:instance, :account_activation_required], true)
+      clear_config([Pleroma.Emails.Mailer, :enabled], true)
       assert Pleroma.ApplicationRequirements.verify!() == :ok
     end
   end
@@ -93,7 +92,7 @@ test "doesn't do anything if account confirmation is required and mailer is enab
     setup do: clear_config([:database, :rum_enabled])
 
     test "raises if rum is enabled and detects unapplied rum migrations" do
-      Config.put([:database, :rum_enabled], true)
+      clear_config([:database, :rum_enabled], true)
 
       with_mocks([{Repo, [:passthrough], [exists?: fn _, _ -> false end]}]) do
         assert_raise ApplicationRequirements.VerifyError,
@@ -105,7 +104,7 @@ test "raises if rum is enabled and detects unapplied rum migrations" do
     end
 
     test "raises if rum is disabled and detects rum migrations" do
-      Config.put([:database, :rum_enabled], false)
+      clear_config([:database, :rum_enabled], false)
 
       with_mocks([{Repo, [:passthrough], [exists?: fn _, _ -> true end]}]) do
         assert_raise ApplicationRequirements.VerifyError,
@@ -117,7 +116,7 @@ test "raises if rum is disabled and detects rum migrations" do
     end
 
     test "doesn't do anything if rum enabled and applied migrations" do
-      Config.put([:database, :rum_enabled], true)
+      clear_config([:database, :rum_enabled], true)
 
       with_mocks([{Repo, [:passthrough], [exists?: fn _, _ -> true end]}]) do
         assert ApplicationRequirements.verify!() == :ok
@@ -125,7 +124,7 @@ test "doesn't do anything if rum enabled and applied migrations" do
     end
 
     test "doesn't do anything if rum disabled" do
-      Config.put([:database, :rum_enabled], false)
+      clear_config([:database, :rum_enabled], false)
 
       with_mocks([{Repo, [:passthrough], [exists?: fn _, _ -> false end]}]) do
         assert ApplicationRequirements.verify!() == :ok
@@ -161,7 +160,7 @@ test "raises if it detects unapplied migrations" do
     end
 
     test "doesn't do anything if disabled" do
-      Config.put([:i_am_aware_this_may_cause_data_loss, :disable_migration_check], true)
+      clear_config([:i_am_aware_this_may_cause_data_loss, :disable_migration_check], true)
 
       assert :ok == ApplicationRequirements.verify!()
     end
diff --git a/test/pleroma/captcha_test.exs b/test/pleroma/captcha_test.exs
index 5691c9506..fcb585112 100644
--- a/test/pleroma/captcha_test.exs
+++ b/test/pleroma/captcha_test.exs
@@ -69,7 +69,7 @@ test "new and validate" do
 
   describe "Captcha Wrapper" do
     test "validate" do
-      Pleroma.Config.put([Pleroma.Captcha, :enabled], true)
+      clear_config([Pleroma.Captcha, :enabled], true)
 
       new = Captcha.new()
 
@@ -83,7 +83,7 @@ test "validate" do
     end
 
     test "doesn't validate invalid answer" do
-      Pleroma.Config.put([Pleroma.Captcha, :enabled], true)
+      clear_config([Pleroma.Captcha, :enabled], true)
 
       new = Captcha.new()
 
@@ -99,7 +99,7 @@ test "doesn't validate invalid answer" do
     end
 
     test "nil answer_data" do
-      Pleroma.Config.put([Pleroma.Captcha, :enabled], true)
+      clear_config([Pleroma.Captcha, :enabled], true)
 
       new = Captcha.new()
 
diff --git a/test/pleroma/config_test.exs b/test/pleroma/config_test.exs
index e4e7f505f..3158a2ec8 100644
--- a/test/pleroma/config_test.exs
+++ b/test/pleroma/config_test.exs
@@ -30,9 +30,9 @@ test "get/1 with a list of keys" do
 
   describe "nil values" do
     setup do
-      Pleroma.Config.put(:lorem, nil)
-      Pleroma.Config.put(:ipsum, %{dolor: [sit: nil]})
-      Pleroma.Config.put(:dolor, sit: %{amet: nil})
+      clear_config(:lorem, nil)
+      clear_config(:ipsum, %{dolor: [sit: nil]})
+      clear_config(:dolor, sit: %{amet: nil})
 
       on_exit(fn -> Enum.each(~w(lorem ipsum dolor)a, &Pleroma.Config.delete/1) end)
     end
@@ -57,9 +57,9 @@ test "get/2 with a list of keys for nil value" do
   end
 
   test "get/1 when value is false" do
-    Pleroma.Config.put([:instance, :false_test], false)
-    Pleroma.Config.put([:instance, :nested], [])
-    Pleroma.Config.put([:instance, :nested, :false_test], false)
+    clear_config([:instance, :false_test], false)
+    clear_config([:instance, :nested], [])
+    clear_config([:instance, :nested, :false_test], false)
 
     assert Pleroma.Config.get([:instance, :false_test]) == false
     assert Pleroma.Config.get([:instance, :nested, :false_test]) == false
@@ -81,40 +81,40 @@ test "get!/1" do
   end
 
   test "get!/1 when value is false" do
-    Pleroma.Config.put([:instance, :false_test], false)
-    Pleroma.Config.put([:instance, :nested], [])
-    Pleroma.Config.put([:instance, :nested, :false_test], false)
+    clear_config([:instance, :false_test], false)
+    clear_config([:instance, :nested], [])
+    clear_config([:instance, :nested, :false_test], false)
 
     assert Pleroma.Config.get!([:instance, :false_test]) == false
     assert Pleroma.Config.get!([:instance, :nested, :false_test]) == false
   end
 
   test "put/2 with a key" do
-    Pleroma.Config.put(:config_test, true)
+    clear_config(:config_test, true)
 
     assert Pleroma.Config.get(:config_test) == true
   end
 
   test "put/2 with a list of keys" do
-    Pleroma.Config.put([:instance, :config_test], true)
-    Pleroma.Config.put([:instance, :config_nested_test], [])
-    Pleroma.Config.put([:instance, :config_nested_test, :x], true)
+    clear_config([:instance, :config_test], true)
+    clear_config([:instance, :config_nested_test], [])
+    clear_config([:instance, :config_nested_test, :x], true)
 
     assert Pleroma.Config.get([:instance, :config_test]) == true
     assert Pleroma.Config.get([:instance, :config_nested_test, :x]) == true
   end
 
   test "delete/1 with a key" do
-    Pleroma.Config.put([:delete_me], :delete_me)
+    clear_config([:delete_me], :delete_me)
     Pleroma.Config.delete([:delete_me])
     assert Pleroma.Config.get([:delete_me]) == nil
   end
 
   test "delete/2 with a list of keys" do
-    Pleroma.Config.put([:delete_me], hello: "world", world: "Hello")
+    clear_config([:delete_me], hello: "world", world: "Hello")
     Pleroma.Config.delete([:delete_me, :world])
     assert Pleroma.Config.get([:delete_me]) == [hello: "world"]
-    Pleroma.Config.put([:delete_me, :delete_me], hello: "world", world: "Hello")
+    clear_config([:delete_me, :delete_me], hello: "world", world: "Hello")
     Pleroma.Config.delete([:delete_me, :delete_me, :world])
     assert Pleroma.Config.get([:delete_me, :delete_me]) == [hello: "world"]
 
@@ -123,8 +123,8 @@ test "delete/2 with a list of keys" do
   end
 
   test "fetch/1" do
-    Pleroma.Config.put([:lorem], :ipsum)
-    Pleroma.Config.put([:ipsum], dolor: :sit)
+    clear_config([:lorem], :ipsum)
+    clear_config([:ipsum], dolor: :sit)
 
     assert Pleroma.Config.fetch([:lorem]) == {:ok, :ipsum}
     assert Pleroma.Config.fetch(:lorem) == {:ok, :ipsum}
diff --git a/test/pleroma/gun/connection_pool_test.exs b/test/pleroma/gun/connection_pool_test.exs
index 9cbaf0978..4b3158625 100644
--- a/test/pleroma/gun/connection_pool_test.exs
+++ b/test/pleroma/gun/connection_pool_test.exs
@@ -7,7 +7,6 @@ defmodule Pleroma.Gun.ConnectionPoolTest do
 
   import Mox
   import ExUnit.CaptureLog
-  alias Pleroma.Config
   alias Pleroma.Gun.ConnectionPool
 
   defp gun_mock(_) do
@@ -49,7 +48,7 @@ test "gives the same connection to 2 concurrent requests" do
 
   test "connection limit is respected with concurrent requests" do
     clear_config([:connections_pool, :max_connections]) do
-      Config.put([:connections_pool, :max_connections], 1)
+      clear_config([:connections_pool, :max_connections], 1)
       # The supervisor needs a reboot to apply the new config setting
       Process.exit(Process.whereis(Pleroma.Gun.ConnectionPool.WorkerSupervisor), :kill)
 
diff --git a/test/pleroma/http/adapter_helper/gun_test.exs b/test/pleroma/http/adapter_helper/gun_test.exs
index 8e2fd69a6..cfb68557d 100644
--- a/test/pleroma/http/adapter_helper/gun_test.exs
+++ b/test/pleroma/http/adapter_helper/gun_test.exs
@@ -8,7 +8,6 @@ defmodule Pleroma.HTTP.AdapterHelper.GunTest do
 
   import Mox
 
-  alias Pleroma.Config
   alias Pleroma.HTTP.AdapterHelper.Gun
 
   setup :verify_on_exit!
@@ -52,9 +51,7 @@ test "merges with defaul http adapter config" do
     end
 
     test "parses string proxy host & port" do
-      proxy = Config.get([:http, :proxy_url])
-      Config.put([:http, :proxy_url], "localhost:8123")
-      on_exit(fn -> Config.put([:http, :proxy_url], proxy) end)
+      clear_config([:http, :proxy_url], "localhost:8123")
 
       uri = URI.parse("https://some-domain.com")
       opts = Gun.options([receive_conn: false], uri)
@@ -62,9 +59,7 @@ test "parses string proxy host & port" do
     end
 
     test "parses tuple proxy scheme host and port" do
-      proxy = Config.get([:http, :proxy_url])
-      Config.put([:http, :proxy_url], {:socks, 'localhost', 1234})
-      on_exit(fn -> Config.put([:http, :proxy_url], proxy) end)
+      clear_config([:http, :proxy_url], {:socks, 'localhost', 1234})
 
       uri = URI.parse("https://some-domain.com")
       opts = Gun.options([receive_conn: false], uri)
@@ -72,9 +67,7 @@ test "parses tuple proxy scheme host and port" do
     end
 
     test "passed opts have more weight than defaults" do
-      proxy = Config.get([:http, :proxy_url])
-      Config.put([:http, :proxy_url], {:socks5, 'localhost', 1234})
-      on_exit(fn -> Config.put([:http, :proxy_url], proxy) end)
+      clear_config([:http, :proxy_url], {:socks5, 'localhost', 1234})
       uri = URI.parse("https://some-domain.com")
       opts = Gun.options([receive_conn: false, proxy: {'example.com', 4321}], uri)
 
diff --git a/test/pleroma/object/fetcher_test.exs b/test/pleroma/object/fetcher_test.exs
index d9172a3ec..a7ac90348 100644
--- a/test/pleroma/object/fetcher_test.exs
+++ b/test/pleroma/object/fetcher_test.exs
@@ -6,7 +6,6 @@ defmodule Pleroma.Object.FetcherTest do
   use Pleroma.DataCase
 
   alias Pleroma.Activity
-  alias Pleroma.Config
   alias Pleroma.Object
   alias Pleroma.Object.Fetcher
 
@@ -87,20 +86,20 @@ test "it works when fetching the OP actor errors out" do
     setup do: clear_config([:instance, :federation_incoming_replies_max_depth])
 
     test "it returns thread depth exceeded error if thread depth is exceeded" do
-      Config.put([:instance, :federation_incoming_replies_max_depth], 0)
+      clear_config([:instance, :federation_incoming_replies_max_depth], 0)
 
       assert {:error, "Max thread distance exceeded."} =
                Fetcher.fetch_object_from_id(@ap_id, depth: 1)
     end
 
     test "it fetches object if max thread depth is restricted to 0 and depth is not specified" do
-      Config.put([:instance, :federation_incoming_replies_max_depth], 0)
+      clear_config([:instance, :federation_incoming_replies_max_depth], 0)
 
       assert {:ok, _} = Fetcher.fetch_object_from_id(@ap_id)
     end
 
     test "it fetches object if requested depth does not exceed max thread depth" do
-      Config.put([:instance, :federation_incoming_replies_max_depth], 10)
+      clear_config([:instance, :federation_incoming_replies_max_depth], 10)
 
       assert {:ok, _} = Fetcher.fetch_object_from_id(@ap_id, depth: 10)
     end
@@ -245,7 +244,7 @@ test "it can refetch pruned objects" do
                    Pleroma.Signature,
                    [:passthrough],
                    [] do
-      Config.put([:activitypub, :sign_object_fetches], true)
+      clear_config([:activitypub, :sign_object_fetches], true)
 
       Fetcher.fetch_object_from_id("http://mastodon.example.org/@admin/99541947525187367")
 
@@ -256,7 +255,7 @@ test "it can refetch pruned objects" do
                    Pleroma.Signature,
                    [:passthrough],
                    [] do
-      Config.put([:activitypub, :sign_object_fetches], false)
+      clear_config([:activitypub, :sign_object_fetches], false)
 
       Fetcher.fetch_object_from_id("http://mastodon.example.org/@admin/99541947525187367")
 
diff --git a/test/pleroma/repo/migrations/autolinker_to_linkify_test.exs b/test/pleroma/repo/migrations/autolinker_to_linkify_test.exs
index b4106ef8e..a7d4d493c 100644
--- a/test/pleroma/repo/migrations/autolinker_to_linkify_test.exs
+++ b/test/pleroma/repo/migrations/autolinker_to_linkify_test.exs
@@ -37,7 +37,7 @@ test "change/0 converts auto_linker opts for Pleroma.Formatter", %{migration: mi
              strip_prefix: false
            ]
 
-    Pleroma.Config.put(Pleroma.Formatter, new_opts)
+    clear_config(Pleroma.Formatter, new_opts)
     assert new_opts == Pleroma.Config.get(Pleroma.Formatter)
 
     {text, _mentions, []} =
diff --git a/test/pleroma/repo/migrations/fix_malformed_formatter_config_test.exs b/test/pleroma/repo/migrations/fix_malformed_formatter_config_test.exs
index 30c77e8e6..65c9961b0 100644
--- a/test/pleroma/repo/migrations/fix_malformed_formatter_config_test.exs
+++ b/test/pleroma/repo/migrations/fix_malformed_formatter_config_test.exs
@@ -34,7 +34,7 @@ test "change/0 converts a map into a list", %{migration: migration} do
              strip_prefix: false
            ]
 
-    Pleroma.Config.put(Pleroma.Formatter, new_opts)
+    clear_config(Pleroma.Formatter, new_opts)
     assert new_opts == Pleroma.Config.get(Pleroma.Formatter)
 
     {text, _mentions, []} =
diff --git a/test/pleroma/scheduled_activity_test.exs b/test/pleroma/scheduled_activity_test.exs
index 10188d116..ef91e9bce 100644
--- a/test/pleroma/scheduled_activity_test.exs
+++ b/test/pleroma/scheduled_activity_test.exs
@@ -15,7 +15,7 @@ defmodule Pleroma.ScheduledActivityTest do
 
   describe "creation" do
     test "scheduled activities with jobs when ScheduledActivity enabled" do
-      Pleroma.Config.put([ScheduledActivity, :enabled], true)
+      clear_config([ScheduledActivity, :enabled], true)
       user = insert(:user)
 
       today =
@@ -34,7 +34,7 @@ test "scheduled activities with jobs when ScheduledActivity enabled" do
     end
 
     test "scheduled activities without jobs when ScheduledActivity disabled" do
-      Pleroma.Config.put([ScheduledActivity, :enabled], false)
+      clear_config([ScheduledActivity, :enabled], false)
       user = insert(:user)
 
       today =
diff --git a/test/pleroma/upload/filter/anonymize_filename_test.exs b/test/pleroma/upload/filter/anonymize_filename_test.exs
index 2a067fc4b..9387c1abc 100644
--- a/test/pleroma/upload/filter/anonymize_filename_test.exs
+++ b/test/pleroma/upload/filter/anonymize_filename_test.exs
@@ -5,7 +5,6 @@
 defmodule Pleroma.Upload.Filter.AnonymizeFilenameTest do
   use Pleroma.DataCase
 
-  alias Pleroma.Config
   alias Pleroma.Upload
 
   setup do
@@ -23,13 +22,13 @@ defmodule Pleroma.Upload.Filter.AnonymizeFilenameTest do
   setup do: clear_config([Pleroma.Upload.Filter.AnonymizeFilename, :text])
 
   test "it replaces filename on pre-defined text", %{upload_file: upload_file} do
-    Config.put([Upload.Filter.AnonymizeFilename, :text], "custom-file.png")
+    clear_config([Upload.Filter.AnonymizeFilename, :text], "custom-file.png")
     {:ok, :filtered, %Upload{name: name}} = Upload.Filter.AnonymizeFilename.filter(upload_file)
     assert name == "custom-file.png"
   end
 
   test "it replaces filename on pre-defined text expression", %{upload_file: upload_file} do
-    Config.put([Upload.Filter.AnonymizeFilename, :text], "custom-file.{extension}")
+    clear_config([Upload.Filter.AnonymizeFilename, :text], "custom-file.{extension}")
     {:ok, :filtered, %Upload{name: name}} = Upload.Filter.AnonymizeFilename.filter(upload_file)
     assert name == "custom-file.jpg"
   end
diff --git a/test/pleroma/upload/filter_test.exs b/test/pleroma/upload/filter_test.exs
index 58c842080..f0053ed9b 100644
--- a/test/pleroma/upload/filter_test.exs
+++ b/test/pleroma/upload/filter_test.exs
@@ -5,13 +5,12 @@
 defmodule Pleroma.Upload.FilterTest do
   use Pleroma.DataCase
 
-  alias Pleroma.Config
   alias Pleroma.Upload.Filter
 
   setup do: clear_config([Pleroma.Upload.Filter.AnonymizeFilename, :text])
 
   test "applies filters" do
-    Config.put([Pleroma.Upload.Filter.AnonymizeFilename, :text], "custom-file.png")
+    clear_config([Pleroma.Upload.Filter.AnonymizeFilename, :text], "custom-file.png")
 
     File.cp!(
       "test/fixtures/image.jpg",
diff --git a/test/pleroma/uploaders/s3_test.exs b/test/pleroma/uploaders/s3_test.exs
index 709631a6a..2711e2c8d 100644
--- a/test/pleroma/uploaders/s3_test.exs
+++ b/test/pleroma/uploaders/s3_test.exs
@@ -5,7 +5,6 @@
 defmodule Pleroma.Uploaders.S3Test do
   use Pleroma.DataCase
 
-  alias Pleroma.Config
   alias Pleroma.Uploaders.S3
 
   import Mock
@@ -27,13 +26,13 @@ test "it returns path to local folder for files" do
     end
 
     test "it returns path without bucket when truncated_namespace set to ''" do
-      Config.put([Pleroma.Uploaders.S3],
+      clear_config([Pleroma.Uploaders.S3],
         bucket: "test_bucket",
         bucket_namespace: "myaccount",
         truncated_namespace: ""
       )
 
-      Config.put([Pleroma.Upload, :base_url], "https://s3.amazonaws.com")
+      clear_config([Pleroma.Upload, :base_url], "https://s3.amazonaws.com")
 
       assert S3.get_file("test_image.jpg") == {
                :ok,
@@ -42,7 +41,7 @@ test "it returns path without bucket when truncated_namespace set to ''" do
     end
 
     test "it returns path with bucket namespace when namespace is set" do
-      Config.put([Pleroma.Uploaders.S3],
+      clear_config([Pleroma.Uploaders.S3],
         bucket: "test_bucket",
         bucket_namespace: "family"
       )
diff --git a/test/pleroma/user/backup_test.exs b/test/pleroma/user/backup_test.exs
index 1aab25ba6..b16152876 100644
--- a/test/pleroma/user/backup_test.exs
+++ b/test/pleroma/user/backup_test.exs
@@ -23,7 +23,7 @@ defmodule Pleroma.User.BackupTest do
   end
 
   test "it requries enabled email" do
-    Pleroma.Config.put([Pleroma.Emails.Mailer, :enabled], false)
+    clear_config([Pleroma.Emails.Mailer, :enabled], false)
     user = insert(:user)
     assert {:error, "Backups require enabled email"} == Backup.create(user)
   end
@@ -53,7 +53,7 @@ test "it return an error if the export limit is over" do
   end
 
   test "it process a backup record" do
-    Pleroma.Config.put([Pleroma.Upload, :uploader], Pleroma.Uploaders.Local)
+    clear_config([Pleroma.Upload, :uploader], Pleroma.Uploaders.Local)
     %{id: user_id} = user = insert(:user)
 
     assert {:ok, %Oban.Job{args: %{"backup_id" => backup_id} = args}} = Backup.create(user)
@@ -76,8 +76,8 @@ test "it process a backup record" do
   end
 
   test "it removes outdated backups after creating a fresh one" do
-    Pleroma.Config.put([Backup, :limit_days], -1)
-    Pleroma.Config.put([Pleroma.Upload, :uploader], Pleroma.Uploaders.Local)
+    clear_config([Backup, :limit_days], -1)
+    clear_config([Pleroma.Upload, :uploader], Pleroma.Uploaders.Local)
     user = insert(:user)
 
     assert {:ok, job1} = Backup.create(user)
diff --git a/test/pleroma/user/welcome_chat_message_test.exs b/test/pleroma/user/welcome_chat_message_test.exs
index 06b044a32..42a45fa19 100644
--- a/test/pleroma/user/welcome_chat_message_test.exs
+++ b/test/pleroma/user/welcome_chat_message_test.exs
@@ -5,7 +5,6 @@
 defmodule Pleroma.User.WelcomeChatMessageTest do
   use Pleroma.DataCase
 
-  alias Pleroma.Config
   alias Pleroma.User.WelcomeChatMessage
 
   import Pleroma.Factory
@@ -17,10 +16,10 @@ test "send a chat welcome message" do
       welcome_user = insert(:user, name: "mewmew")
       user = insert(:user)
 
-      Config.put([:welcome, :chat_message, :enabled], true)
-      Config.put([:welcome, :chat_message, :sender_nickname], welcome_user.nickname)
+      clear_config([:welcome, :chat_message, :enabled], true)
+      clear_config([:welcome, :chat_message, :sender_nickname], welcome_user.nickname)
 
-      Config.put(
+      clear_config(
         [:welcome, :chat_message, :message],
         "Hello, welcome to Blob/Cat!"
       )
diff --git a/test/pleroma/user/welcome_email_test.exs b/test/pleroma/user/welcome_email_test.exs
index fbfc0b45e..c3d383a7f 100644
--- a/test/pleroma/user/welcome_email_test.exs
+++ b/test/pleroma/user/welcome_email_test.exs
@@ -18,15 +18,15 @@ defmodule Pleroma.User.WelcomeEmailTest do
     test "send a welcome email" do
       user = insert(:user, name: "Jimm")
 
-      Config.put([:welcome, :email, :enabled], true)
-      Config.put([:welcome, :email, :sender], "welcome@pleroma.app")
+      clear_config([:welcome, :email, :enabled], true)
+      clear_config([:welcome, :email, :sender], "welcome@pleroma.app")
 
-      Config.put(
+      clear_config(
         [:welcome, :email, :subject],
         "Hello, welcome to pleroma: <%= instance_name %>"
       )
 
-      Config.put(
+      clear_config(
         [:welcome, :email, :html],
         "<h1>Hello <%= user.name %>.</h1> <p>Welcome to <%= instance_name %></p>"
       )
@@ -44,7 +44,7 @@ test "send a welcome email" do
         html_body: "<h1>Hello #{user.name}.</h1> <p>Welcome to #{instance_name}</p>"
       )
 
-      Config.put([:welcome, :email, :sender], {"Pleroma App", "welcome@pleroma.app"})
+      clear_config([:welcome, :email, :sender], {"Pleroma App", "welcome@pleroma.app"})
 
       {:ok, _job} = WelcomeEmail.send_email(user)
 
diff --git a/test/pleroma/user/welcome_message_test.exs b/test/pleroma/user/welcome_message_test.exs
index cf43a0fa4..28afde943 100644
--- a/test/pleroma/user/welcome_message_test.exs
+++ b/test/pleroma/user/welcome_message_test.exs
@@ -5,7 +5,6 @@
 defmodule Pleroma.User.WelcomeMessageTest do
   use Pleroma.DataCase
 
-  alias Pleroma.Config
   alias Pleroma.User.WelcomeMessage
 
   import Pleroma.Factory
@@ -17,10 +16,10 @@ test "send a direct welcome message" do
       welcome_user = insert(:user)
       user = insert(:user, name: "Jimm")
 
-      Config.put([:welcome, :direct_message, :enabled], true)
-      Config.put([:welcome, :direct_message, :sender_nickname], welcome_user.nickname)
+      clear_config([:welcome, :direct_message, :enabled], true)
+      clear_config([:welcome, :direct_message, :sender_nickname], welcome_user.nickname)
 
-      Config.put(
+      clear_config(
         [:welcome, :direct_message, :message],
         "Hello. Welcome to Pleroma"
       )
diff --git a/test/pleroma/user_search_test.exs b/test/pleroma/user_search_test.exs
index 78f042e55..69167bb0c 100644
--- a/test/pleroma/user_search_test.exs
+++ b/test/pleroma/user_search_test.exs
@@ -18,7 +18,7 @@ defmodule Pleroma.UserSearchTest do
     setup do: clear_config([:instance, :limit_to_local_content])
 
     test "returns a resolved user as the first result" do
-      Pleroma.Config.put([:instance, :limit_to_local_content], false)
+      clear_config([:instance, :limit_to_local_content], false)
       user = insert(:user, %{nickname: "no_relation", ap_id: "https://lain.com/users/lain"})
       _user = insert(:user, %{nickname: "com_user"})
 
@@ -199,7 +199,7 @@ test "find only local users for unauthenticated users" do
     end
 
     test "find only local users for authenticated users when `limit_to_local_content` is `:all`" do
-      Pleroma.Config.put([:instance, :limit_to_local_content], :all)
+      clear_config([:instance, :limit_to_local_content], :all)
 
       %{id: id} = insert(:user, %{name: "lain"})
       insert(:user, %{name: "ebn", nickname: "lain@mastodon.social", local: false})
@@ -209,7 +209,7 @@ test "find only local users for authenticated users when `limit_to_local_content
     end
 
     test "find all users for unauthenticated users when `limit_to_local_content` is `false`" do
-      Pleroma.Config.put([:instance, :limit_to_local_content], false)
+      clear_config([:instance, :limit_to_local_content], false)
 
       u1 = insert(:user, %{name: "lain"})
       u2 = insert(:user, %{name: "ebn", nickname: "lain@mastodon.social", local: false})
diff --git a/test/pleroma/user_test.exs b/test/pleroma/user_test.exs
index 90fef34bd..b4df22c2c 100644
--- a/test/pleroma/user_test.exs
+++ b/test/pleroma/user_test.exs
@@ -311,7 +311,7 @@ test "local users do not automatically follow local locked accounts" do
     setup do: clear_config([:instance, :external_user_synchronization])
 
     test "unfollow with syncronizes external user" do
-      Pleroma.Config.put([:instance, :external_user_synchronization], true)
+      clear_config([:instance, :external_user_synchronization], true)
 
       followed =
         insert(:user,
@@ -396,7 +396,7 @@ test "it autofollows accounts that are set for it" do
       user = insert(:user)
       remote_user = insert(:user, %{local: false})
 
-      Pleroma.Config.put([:instance, :autofollowed_nicknames], [
+      clear_config([:instance, :autofollowed_nicknames], [
         user.nickname,
         remote_user.nickname
       ])
@@ -413,7 +413,7 @@ test "it adds automatic followers for new registered accounts" do
       user1 = insert(:user)
       user2 = insert(:user)
 
-      Pleroma.Config.put([:instance, :autofollowing_nicknames], [
+      clear_config([:instance, :autofollowing_nicknames], [
         user1.nickname,
         user2.nickname
       ])
@@ -428,9 +428,9 @@ test "it adds automatic followers for new registered accounts" do
 
     test "it sends a welcome message if it is set" do
       welcome_user = insert(:user)
-      Pleroma.Config.put([:welcome, :direct_message, :enabled], true)
-      Pleroma.Config.put([:welcome, :direct_message, :sender_nickname], welcome_user.nickname)
-      Pleroma.Config.put([:welcome, :direct_message, :message], "Hello, this is a direct message")
+      clear_config([:welcome, :direct_message, :enabled], true)
+      clear_config([:welcome, :direct_message, :sender_nickname], welcome_user.nickname)
+      clear_config([:welcome, :direct_message, :message], "Hello, this is a direct message")
 
       cng = User.register_changeset(%User{}, @full_user_data)
       {:ok, registered_user} = User.register(cng)
@@ -444,9 +444,9 @@ test "it sends a welcome message if it is set" do
 
     test "it sends a welcome chat message if it is set" do
       welcome_user = insert(:user)
-      Pleroma.Config.put([:welcome, :chat_message, :enabled], true)
-      Pleroma.Config.put([:welcome, :chat_message, :sender_nickname], welcome_user.nickname)
-      Pleroma.Config.put([:welcome, :chat_message, :message], "Hello, this is a chat message")
+      clear_config([:welcome, :chat_message, :enabled], true)
+      clear_config([:welcome, :chat_message, :sender_nickname], welcome_user.nickname)
+      clear_config([:welcome, :chat_message, :message], "Hello, this is a chat message")
 
       cng = User.register_changeset(%User{}, @full_user_data)
       {:ok, registered_user} = User.register(cng)
@@ -480,12 +480,12 @@ test "it sends a welcome chat message if it is set" do
             )
 
     test "it sends a welcome chat message when Simple policy applied to local instance" do
-      Pleroma.Config.put([:mrf_simple, :media_nsfw], ["localhost"])
+      clear_config([:mrf_simple, :media_nsfw], ["localhost"])
 
       welcome_user = insert(:user)
-      Pleroma.Config.put([:welcome, :chat_message, :enabled], true)
-      Pleroma.Config.put([:welcome, :chat_message, :sender_nickname], welcome_user.nickname)
-      Pleroma.Config.put([:welcome, :chat_message, :message], "Hello, this is a chat message")
+      clear_config([:welcome, :chat_message, :enabled], true)
+      clear_config([:welcome, :chat_message, :sender_nickname], welcome_user.nickname)
+      clear_config([:welcome, :chat_message, :message], "Hello, this is a chat message")
 
       cng = User.register_changeset(%User{}, @full_user_data)
       {:ok, registered_user} = User.register(cng)
@@ -499,10 +499,10 @@ test "it sends a welcome chat message when Simple policy applied to local instan
 
     test "it sends a welcome email message if it is set" do
       welcome_user = insert(:user)
-      Pleroma.Config.put([:welcome, :email, :enabled], true)
-      Pleroma.Config.put([:welcome, :email, :sender], welcome_user.email)
+      clear_config([:welcome, :email, :enabled], true)
+      clear_config([:welcome, :email, :sender], welcome_user.email)
 
-      Pleroma.Config.put(
+      clear_config(
         [:welcome, :email, :subject],
         "Hello, welcome to cool site: <%= instance_name %>"
       )
@@ -522,7 +522,7 @@ test "it sends a welcome email message if it is set" do
     end
 
     test "it sends a confirm email" do
-      Pleroma.Config.put([:instance, :account_activation_required], true)
+      clear_config([:instance, :account_activation_required], true)
 
       cng = User.register_changeset(%User{}, @full_user_data)
       {:ok, registered_user} = User.register(cng)
@@ -552,7 +552,7 @@ test "sends a pending approval email" do
     end
 
     test "it requires an email, name, nickname and password, bio is optional when account_activation_required is enabled" do
-      Pleroma.Config.put([:instance, :account_activation_required], true)
+      clear_config([:instance, :account_activation_required], true)
 
       @full_user_data
       |> Map.keys()
@@ -565,7 +565,7 @@ test "it requires an email, name, nickname and password, bio is optional when ac
     end
 
     test "it requires an name, nickname and password, bio and email are optional when account_activation_required is disabled" do
-      Pleroma.Config.put([:instance, :account_activation_required], false)
+      clear_config([:instance, :account_activation_required], false)
 
       @full_user_data
       |> Map.keys()
@@ -1712,13 +1712,13 @@ test "User.delete() plugs any possible zombie objects" do
     setup do: clear_config([:instance, :account_activation_required])
 
     test "return confirmation_pending for unconfirm user" do
-      Pleroma.Config.put([:instance, :account_activation_required], true)
+      clear_config([:instance, :account_activation_required], true)
       user = insert(:user, is_confirmed: false)
       assert User.account_status(user) == :confirmation_pending
     end
 
     test "return active for confirmed user" do
-      Pleroma.Config.put([:instance, :account_activation_required], true)
+      clear_config([:instance, :account_activation_required], true)
       user = insert(:user, is_confirmed: true)
       assert User.account_status(user) == :active
     end
@@ -1797,7 +1797,7 @@ test "returns true when the account is itself" do
     end
 
     test "returns false when the account is unconfirmed and confirmation is required" do
-      Pleroma.Config.put([:instance, :account_activation_required], true)
+      clear_config([:instance, :account_activation_required], true)
 
       user = insert(:user, local: true, is_confirmed: false)
       other_user = insert(:user, local: true)
@@ -1806,7 +1806,7 @@ test "returns false when the account is unconfirmed and confirmation is required
     end
 
     test "returns true when the account is unconfirmed and confirmation is required but the account is remote" do
-      Pleroma.Config.put([:instance, :account_activation_required], true)
+      clear_config([:instance, :account_activation_required], true)
 
       user = insert(:user, local: false, is_confirmed: false)
       other_user = insert(:user, local: true)
@@ -1815,7 +1815,7 @@ test "returns true when the account is unconfirmed and confirmation is required
     end
 
     test "returns true when the account is unconfirmed and being viewed by a privileged account (confirmation required)" do
-      Pleroma.Config.put([:instance, :account_activation_required], true)
+      clear_config([:instance, :account_activation_required], true)
 
       user = insert(:user, local: true, is_confirmed: false)
       other_user = insert(:user, local: true, is_admin: true)
@@ -2072,7 +2072,7 @@ test "performs update cache if user updated" do
     setup do: clear_config([:instance, :external_user_synchronization])
 
     test "updates the counters normally on following/getting a follow when disabled" do
-      Pleroma.Config.put([:instance, :external_user_synchronization], false)
+      clear_config([:instance, :external_user_synchronization], false)
       user = insert(:user)
 
       other_user =
@@ -2093,7 +2093,7 @@ test "updates the counters normally on following/getting a follow when disabled"
     end
 
     test "syncronizes the counters with the remote instance for the followed when enabled" do
-      Pleroma.Config.put([:instance, :external_user_synchronization], false)
+      clear_config([:instance, :external_user_synchronization], false)
 
       user = insert(:user)
 
@@ -2108,14 +2108,14 @@ test "syncronizes the counters with the remote instance for the followed when en
       assert other_user.following_count == 0
       assert other_user.follower_count == 0
 
-      Pleroma.Config.put([:instance, :external_user_synchronization], true)
+      clear_config([:instance, :external_user_synchronization], true)
       {:ok, _user, other_user} = User.follow(user, other_user)
 
       assert other_user.follower_count == 437
     end
 
     test "syncronizes the counters with the remote instance for the follower when enabled" do
-      Pleroma.Config.put([:instance, :external_user_synchronization], false)
+      clear_config([:instance, :external_user_synchronization], false)
 
       user = insert(:user)
 
@@ -2130,7 +2130,7 @@ test "syncronizes the counters with the remote instance for the follower when en
       assert other_user.following_count == 0
       assert other_user.follower_count == 0
 
-      Pleroma.Config.put([:instance, :external_user_synchronization], true)
+      clear_config([:instance, :external_user_synchronization], true)
       {:ok, other_user, _user} = User.follow(other_user, user)
 
       assert other_user.following_count == 152
@@ -2177,43 +2177,43 @@ test "changes email", %{user: user} do
     test "allows getting remote users by id no matter what :limit_to_local_content is set to", %{
       remote_user: remote_user
     } do
-      Pleroma.Config.put([:instance, :limit_to_local_content], false)
+      clear_config([:instance, :limit_to_local_content], false)
       assert %User{} = User.get_cached_by_nickname_or_id(remote_user.id)
 
-      Pleroma.Config.put([:instance, :limit_to_local_content], true)
+      clear_config([:instance, :limit_to_local_content], true)
       assert %User{} = User.get_cached_by_nickname_or_id(remote_user.id)
 
-      Pleroma.Config.put([:instance, :limit_to_local_content], :unauthenticated)
+      clear_config([:instance, :limit_to_local_content], :unauthenticated)
       assert %User{} = User.get_cached_by_nickname_or_id(remote_user.id)
     end
 
     test "disallows getting remote users by nickname without authentication when :limit_to_local_content is set to :unauthenticated",
          %{remote_user: remote_user} do
-      Pleroma.Config.put([:instance, :limit_to_local_content], :unauthenticated)
+      clear_config([:instance, :limit_to_local_content], :unauthenticated)
       assert nil == User.get_cached_by_nickname_or_id(remote_user.nickname)
     end
 
     test "allows getting remote users by nickname with authentication when :limit_to_local_content is set to :unauthenticated",
          %{remote_user: remote_user, local_user: local_user} do
-      Pleroma.Config.put([:instance, :limit_to_local_content], :unauthenticated)
+      clear_config([:instance, :limit_to_local_content], :unauthenticated)
       assert %User{} = User.get_cached_by_nickname_or_id(remote_user.nickname, for: local_user)
     end
 
     test "disallows getting remote users by nickname when :limit_to_local_content is set to true",
          %{remote_user: remote_user} do
-      Pleroma.Config.put([:instance, :limit_to_local_content], true)
+      clear_config([:instance, :limit_to_local_content], true)
       assert nil == User.get_cached_by_nickname_or_id(remote_user.nickname)
     end
 
     test "allows getting local users by nickname no matter what :limit_to_local_content is set to",
          %{local_user: local_user} do
-      Pleroma.Config.put([:instance, :limit_to_local_content], false)
+      clear_config([:instance, :limit_to_local_content], false)
       assert %User{} = User.get_cached_by_nickname_or_id(local_user.nickname)
 
-      Pleroma.Config.put([:instance, :limit_to_local_content], true)
+      clear_config([:instance, :limit_to_local_content], true)
       assert %User{} = User.get_cached_by_nickname_or_id(local_user.nickname)
 
-      Pleroma.Config.put([:instance, :limit_to_local_content], :unauthenticated)
+      clear_config([:instance, :limit_to_local_content], :unauthenticated)
       assert %User{} = User.get_cached_by_nickname_or_id(local_user.nickname)
     end
   end
diff --git a/test/pleroma/web/activity_pub/activity_pub_controller_test.exs b/test/pleroma/web/activity_pub/activity_pub_controller_test.exs
index e0cd28303..f7417de31 100644
--- a/test/pleroma/web/activity_pub/activity_pub_controller_test.exs
+++ b/test/pleroma/web/activity_pub/activity_pub_controller_test.exs
@@ -7,7 +7,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubControllerTest do
   use Oban.Testing, repo: Pleroma.Repo
 
   alias Pleroma.Activity
-  alias Pleroma.Config
   alias Pleroma.Delivery
   alias Pleroma.Instances
   alias Pleroma.Object
@@ -46,7 +45,7 @@ test "with the relay active, it returns the relay user", %{conn: conn} do
     end
 
     test "with the relay disabled, it returns 404", %{conn: conn} do
-      Config.put([:instance, :allow_relay], false)
+      clear_config([:instance, :allow_relay], false)
 
       conn
       |> get(activity_pub_path(conn, :relay))
@@ -54,7 +53,7 @@ test "with the relay disabled, it returns 404", %{conn: conn} do
     end
 
     test "on non-federating instance, it returns 404", %{conn: conn} do
-      Config.put([:instance, :federating], false)
+      clear_config([:instance, :federating], false)
       user = insert(:user)
 
       conn
@@ -75,7 +74,7 @@ test "it returns the internal fetch user", %{conn: conn} do
     end
 
     test "on non-federating instance, it returns 404", %{conn: conn} do
-      Config.put([:instance, :federating], false)
+      clear_config([:instance, :federating], false)
       user = insert(:user)
 
       conn
@@ -493,7 +492,7 @@ test "it clears `unreachable` federation status of the sender", %{conn: conn} do
     end
 
     test "accept follow activity", %{conn: conn} do
-      Pleroma.Config.put([:instance, :federating], true)
+      clear_config([:instance, :federating], true)
       relay = Relay.get_actor()
 
       assert {:ok, %Activity{} = activity} = Relay.follow("https://relay.mastodon.host/actor")
@@ -539,7 +538,7 @@ test "without valid signature, " <>
 
       conn = put_req_header(conn, "content-type", "application/activity+json")
 
-      Config.put([:instance, :federating], false)
+      clear_config([:instance, :federating], false)
 
       conn
       |> post("/inbox", data)
@@ -549,7 +548,7 @@ test "without valid signature, " <>
       |> post("/inbox", non_create_data)
       |> json_response(403)
 
-      Config.put([:instance, :federating], true)
+      clear_config([:instance, :federating], true)
 
       ret_conn = post(conn, "/inbox", data)
       assert "ok" == json_response(ret_conn, 200)
@@ -1246,7 +1245,7 @@ test "it doesn't spreads faulty attributedTo or actor fields", %{
     end
 
     test "Character limitation", %{conn: conn, activity: activity} do
-      Pleroma.Config.put([:instance, :limit], 5)
+      clear_config([:instance, :limit], 5)
       user = insert(:user)
 
       result =
@@ -1275,7 +1274,7 @@ test "it returns relay followers", %{conn: conn} do
     end
 
     test "on non-federating instance, it returns 404", %{conn: conn} do
-      Config.put([:instance, :federating], false)
+      clear_config([:instance, :federating], false)
       user = insert(:user)
 
       conn
@@ -1296,7 +1295,7 @@ test "it returns relay following", %{conn: conn} do
     end
 
     test "on non-federating instance, it returns 404", %{conn: conn} do
-      Config.put([:instance, :federating], false)
+      clear_config([:instance, :federating], false)
       user = insert(:user)
 
       conn
diff --git a/test/pleroma/web/activity_pub/activity_pub_test.exs b/test/pleroma/web/activity_pub/activity_pub_test.exs
index 24576b31a..f4023856c 100644
--- a/test/pleroma/web/activity_pub/activity_pub_test.exs
+++ b/test/pleroma/web/activity_pub/activity_pub_test.exs
@@ -1079,15 +1079,15 @@ test "sets a description if given", %{test_file: file} do
     test "it sets the default description depending on the configuration", %{test_file: file} do
       clear_config([Pleroma.Upload, :default_description])
 
-      Pleroma.Config.put([Pleroma.Upload, :default_description], nil)
+      clear_config([Pleroma.Upload, :default_description], nil)
       {:ok, %Object{} = object} = ActivityPub.upload(file)
       assert object.data["name"] == ""
 
-      Pleroma.Config.put([Pleroma.Upload, :default_description], :filename)
+      clear_config([Pleroma.Upload, :default_description], :filename)
       {:ok, %Object{} = object} = ActivityPub.upload(file)
       assert object.data["name"] == "an_image.jpg"
 
-      Pleroma.Config.put([Pleroma.Upload, :default_description], "unnamed attachment")
+      clear_config([Pleroma.Upload, :default_description], "unnamed attachment")
       {:ok, %Object{} = object} = ActivityPub.upload(file)
       assert object.data["name"] == "unnamed attachment"
     end
diff --git a/test/pleroma/web/activity_pub/mrf/hellthread_policy_test.exs b/test/pleroma/web/activity_pub/mrf/hellthread_policy_test.exs
index 2cd3e0329..439672479 100644
--- a/test/pleroma/web/activity_pub/mrf/hellthread_policy_test.exs
+++ b/test/pleroma/web/activity_pub/mrf/hellthread_policy_test.exs
@@ -34,7 +34,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.HellthreadPolicyTest do
   setup do: clear_config(:mrf_hellthread)
 
   test "doesn't die on chat messages" do
-    Pleroma.Config.put([:mrf_hellthread], %{delist_threshold: 2, reject_threshold: 0})
+    clear_config([:mrf_hellthread], %{delist_threshold: 2, reject_threshold: 0})
 
     user = insert(:user)
     other_user = insert(:user)
@@ -48,7 +48,7 @@ test "doesn't die on chat messages" do
     test "rejects the message if the recipient count is above reject_threshold", %{
       message: message
     } do
-      Pleroma.Config.put([:mrf_hellthread], %{delist_threshold: 0, reject_threshold: 2})
+      clear_config([:mrf_hellthread], %{delist_threshold: 0, reject_threshold: 2})
 
       assert {:reject, "[HellthreadPolicy] 3 recipients is over the limit of 2"} ==
                filter(message)
@@ -57,7 +57,7 @@ test "rejects the message if the recipient count is above reject_threshold", %{
     test "does not reject the message if the recipient count is below reject_threshold", %{
       message: message
     } do
-      Pleroma.Config.put([:mrf_hellthread], %{delist_threshold: 0, reject_threshold: 3})
+      clear_config([:mrf_hellthread], %{delist_threshold: 0, reject_threshold: 3})
 
       assert {:ok, ^message} = filter(message)
     end
@@ -68,7 +68,7 @@ test "delists the message if the recipient count is above delist_threshold", %{
       user: user,
       message: message
     } do
-      Pleroma.Config.put([:mrf_hellthread], %{delist_threshold: 2, reject_threshold: 0})
+      clear_config([:mrf_hellthread], %{delist_threshold: 2, reject_threshold: 0})
 
       {:ok, message} = filter(message)
       assert user.follower_address in message["to"]
@@ -78,14 +78,14 @@ test "delists the message if the recipient count is above delist_threshold", %{
     test "does not delist the message if the recipient count is below delist_threshold", %{
       message: message
     } do
-      Pleroma.Config.put([:mrf_hellthread], %{delist_threshold: 4, reject_threshold: 0})
+      clear_config([:mrf_hellthread], %{delist_threshold: 4, reject_threshold: 0})
 
       assert {:ok, ^message} = filter(message)
     end
   end
 
   test "excludes follower collection and public URI from threshold count", %{message: message} do
-    Pleroma.Config.put([:mrf_hellthread], %{delist_threshold: 0, reject_threshold: 3})
+    clear_config([:mrf_hellthread], %{delist_threshold: 0, reject_threshold: 3})
 
     assert {:ok, ^message} = filter(message)
   end
diff --git a/test/pleroma/web/activity_pub/mrf/keyword_policy_test.exs b/test/pleroma/web/activity_pub/mrf/keyword_policy_test.exs
index b44e6c60f..8af4c5efa 100644
--- a/test/pleroma/web/activity_pub/mrf/keyword_policy_test.exs
+++ b/test/pleroma/web/activity_pub/mrf/keyword_policy_test.exs
@@ -10,12 +10,12 @@ defmodule Pleroma.Web.ActivityPub.MRF.KeywordPolicyTest do
   setup do: clear_config(:mrf_keyword)
 
   setup do
-    Pleroma.Config.put([:mrf_keyword], %{reject: [], federated_timeline_removal: [], replace: []})
+    clear_config([:mrf_keyword], %{reject: [], federated_timeline_removal: [], replace: []})
   end
 
   describe "rejecting based on keywords" do
     test "rejects if string matches in content" do
-      Pleroma.Config.put([:mrf_keyword, :reject], ["pun"])
+      clear_config([:mrf_keyword, :reject], ["pun"])
 
       message = %{
         "type" => "Create",
@@ -30,7 +30,7 @@ test "rejects if string matches in content" do
     end
 
     test "rejects if string matches in summary" do
-      Pleroma.Config.put([:mrf_keyword, :reject], ["pun"])
+      clear_config([:mrf_keyword, :reject], ["pun"])
 
       message = %{
         "type" => "Create",
@@ -45,7 +45,7 @@ test "rejects if string matches in summary" do
     end
 
     test "rejects if regex matches in content" do
-      Pleroma.Config.put([:mrf_keyword, :reject], [~r/comp[lL][aA][iI][nN]er/])
+      clear_config([:mrf_keyword, :reject], [~r/comp[lL][aA][iI][nN]er/])
 
       assert true ==
                Enum.all?(["complainer", "compLainer", "compLAiNer", "compLAINer"], fn content ->
@@ -63,7 +63,7 @@ test "rejects if regex matches in content" do
     end
 
     test "rejects if regex matches in summary" do
-      Pleroma.Config.put([:mrf_keyword, :reject], [~r/comp[lL][aA][iI][nN]er/])
+      clear_config([:mrf_keyword, :reject], [~r/comp[lL][aA][iI][nN]er/])
 
       assert true ==
                Enum.all?(["complainer", "compLainer", "compLAiNer", "compLAINer"], fn content ->
@@ -83,7 +83,7 @@ test "rejects if regex matches in summary" do
 
   describe "delisting from ftl based on keywords" do
     test "delists if string matches in content" do
-      Pleroma.Config.put([:mrf_keyword, :federated_timeline_removal], ["pun"])
+      clear_config([:mrf_keyword, :federated_timeline_removal], ["pun"])
 
       message = %{
         "to" => ["https://www.w3.org/ns/activitystreams#Public"],
@@ -100,7 +100,7 @@ test "delists if string matches in content" do
     end
 
     test "delists if string matches in summary" do
-      Pleroma.Config.put([:mrf_keyword, :federated_timeline_removal], ["pun"])
+      clear_config([:mrf_keyword, :federated_timeline_removal], ["pun"])
 
       message = %{
         "to" => ["https://www.w3.org/ns/activitystreams#Public"],
@@ -117,7 +117,7 @@ test "delists if string matches in summary" do
     end
 
     test "delists if regex matches in content" do
-      Pleroma.Config.put([:mrf_keyword, :federated_timeline_removal], [~r/comp[lL][aA][iI][nN]er/])
+      clear_config([:mrf_keyword, :federated_timeline_removal], [~r/comp[lL][aA][iI][nN]er/])
 
       assert true ==
                Enum.all?(["complainer", "compLainer", "compLAiNer", "compLAINer"], fn content ->
@@ -138,7 +138,7 @@ test "delists if regex matches in content" do
     end
 
     test "delists if regex matches in summary" do
-      Pleroma.Config.put([:mrf_keyword, :federated_timeline_removal], [~r/comp[lL][aA][iI][nN]er/])
+      clear_config([:mrf_keyword, :federated_timeline_removal], [~r/comp[lL][aA][iI][nN]er/])
 
       assert true ==
                Enum.all?(["complainer", "compLainer", "compLAiNer", "compLAINer"], fn content ->
@@ -161,7 +161,7 @@ test "delists if regex matches in summary" do
 
   describe "replacing keywords" do
     test "replaces keyword if string matches in content" do
-      Pleroma.Config.put([:mrf_keyword, :replace], [{"opensource", "free software"}])
+      clear_config([:mrf_keyword, :replace], [{"opensource", "free software"}])
 
       message = %{
         "type" => "Create",
@@ -174,7 +174,7 @@ test "replaces keyword if string matches in content" do
     end
 
     test "replaces keyword if string matches in summary" do
-      Pleroma.Config.put([:mrf_keyword, :replace], [{"opensource", "free software"}])
+      clear_config([:mrf_keyword, :replace], [{"opensource", "free software"}])
 
       message = %{
         "type" => "Create",
@@ -187,7 +187,7 @@ test "replaces keyword if string matches in summary" do
     end
 
     test "replaces keyword if regex matches in content" do
-      Pleroma.Config.put([:mrf_keyword, :replace], [
+      clear_config([:mrf_keyword, :replace], [
         {~r/open(-|\s)?source\s?(software)?/, "free software"}
       ])
 
@@ -205,7 +205,7 @@ test "replaces keyword if regex matches in content" do
     end
 
     test "replaces keyword if regex matches in summary" do
-      Pleroma.Config.put([:mrf_keyword, :replace], [
+      clear_config([:mrf_keyword, :replace], [
         {~r/open(-|\s)?source\s?(software)?/, "free software"}
       ])
 
diff --git a/test/pleroma/web/activity_pub/mrf/mention_policy_test.exs b/test/pleroma/web/activity_pub/mrf/mention_policy_test.exs
index b1d0f587c..80ddcacbe 100644
--- a/test/pleroma/web/activity_pub/mrf/mention_policy_test.exs
+++ b/test/pleroma/web/activity_pub/mrf/mention_policy_test.exs
@@ -23,7 +23,7 @@ test "pass filter if allow list is empty" do
 
   describe "allow" do
     test "empty" do
-      Pleroma.Config.put([:mrf_mention], %{actors: ["https://example.com/blocked"]})
+      clear_config([:mrf_mention], %{actors: ["https://example.com/blocked"]})
 
       message = %{
         "type" => "Create"
@@ -33,7 +33,7 @@ test "empty" do
     end
 
     test "to" do
-      Pleroma.Config.put([:mrf_mention], %{actors: ["https://example.com/blocked"]})
+      clear_config([:mrf_mention], %{actors: ["https://example.com/blocked"]})
 
       message = %{
         "type" => "Create",
@@ -44,7 +44,7 @@ test "to" do
     end
 
     test "cc" do
-      Pleroma.Config.put([:mrf_mention], %{actors: ["https://example.com/blocked"]})
+      clear_config([:mrf_mention], %{actors: ["https://example.com/blocked"]})
 
       message = %{
         "type" => "Create",
@@ -55,7 +55,7 @@ test "cc" do
     end
 
     test "both" do
-      Pleroma.Config.put([:mrf_mention], %{actors: ["https://example.com/blocked"]})
+      clear_config([:mrf_mention], %{actors: ["https://example.com/blocked"]})
 
       message = %{
         "type" => "Create",
@@ -69,7 +69,7 @@ test "both" do
 
   describe "deny" do
     test "to" do
-      Pleroma.Config.put([:mrf_mention], %{actors: ["https://example.com/blocked"]})
+      clear_config([:mrf_mention], %{actors: ["https://example.com/blocked"]})
 
       message = %{
         "type" => "Create",
@@ -81,7 +81,7 @@ test "to" do
     end
 
     test "cc" do
-      Pleroma.Config.put([:mrf_mention], %{actors: ["https://example.com/blocked"]})
+      clear_config([:mrf_mention], %{actors: ["https://example.com/blocked"]})
 
       message = %{
         "type" => "Create",
diff --git a/test/pleroma/web/activity_pub/mrf/object_age_policy_test.exs b/test/pleroma/web/activity_pub/mrf/object_age_policy_test.exs
index 9178ca2b1..137aafd39 100644
--- a/test/pleroma/web/activity_pub/mrf/object_age_policy_test.exs
+++ b/test/pleroma/web/activity_pub/mrf/object_age_policy_test.exs
@@ -4,7 +4,6 @@
 
 defmodule Pleroma.Web.ActivityPub.MRF.ObjectAgePolicyTest do
   use Pleroma.DataCase
-  alias Pleroma.Config
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.MRF.ObjectAgePolicy
   alias Pleroma.Web.ActivityPub.Visibility
@@ -39,7 +38,7 @@ defp get_new_message do
 
   describe "with reject action" do
     test "works with objects with empty to or cc fields" do
-      Config.put([:mrf_object_age, :actions], [:reject])
+      clear_config([:mrf_object_age, :actions], [:reject])
 
       data =
         get_old_message()
@@ -50,7 +49,7 @@ test "works with objects with empty to or cc fields" do
     end
 
     test "it rejects an old post" do
-      Config.put([:mrf_object_age, :actions], [:reject])
+      clear_config([:mrf_object_age, :actions], [:reject])
 
       data = get_old_message()
 
@@ -58,7 +57,7 @@ test "it rejects an old post" do
     end
 
     test "it allows a new post" do
-      Config.put([:mrf_object_age, :actions], [:reject])
+      clear_config([:mrf_object_age, :actions], [:reject])
 
       data = get_new_message()
 
@@ -68,7 +67,7 @@ test "it allows a new post" do
 
   describe "with delist action" do
     test "works with objects with empty to or cc fields" do
-      Config.put([:mrf_object_age, :actions], [:delist])
+      clear_config([:mrf_object_age, :actions], [:delist])
 
       data =
         get_old_message()
@@ -83,7 +82,7 @@ test "works with objects with empty to or cc fields" do
     end
 
     test "it delists an old post" do
-      Config.put([:mrf_object_age, :actions], [:delist])
+      clear_config([:mrf_object_age, :actions], [:delist])
 
       data = get_old_message()
 
@@ -95,7 +94,7 @@ test "it delists an old post" do
     end
 
     test "it allows a new post" do
-      Config.put([:mrf_object_age, :actions], [:delist])
+      clear_config([:mrf_object_age, :actions], [:delist])
 
       data = get_new_message()
 
@@ -107,7 +106,7 @@ test "it allows a new post" do
 
   describe "with strip_followers action" do
     test "works with objects with empty to or cc fields" do
-      Config.put([:mrf_object_age, :actions], [:strip_followers])
+      clear_config([:mrf_object_age, :actions], [:strip_followers])
 
       data =
         get_old_message()
@@ -123,7 +122,7 @@ test "works with objects with empty to or cc fields" do
     end
 
     test "it strips followers collections from an old post" do
-      Config.put([:mrf_object_age, :actions], [:strip_followers])
+      clear_config([:mrf_object_age, :actions], [:strip_followers])
 
       data = get_old_message()
 
@@ -136,7 +135,7 @@ test "it strips followers collections from an old post" do
     end
 
     test "it allows a new post" do
-      Config.put([:mrf_object_age, :actions], [:strip_followers])
+      clear_config([:mrf_object_age, :actions], [:strip_followers])
 
       data = get_new_message()
 
diff --git a/test/pleroma/web/activity_pub/mrf/reject_non_public_test.exs b/test/pleroma/web/activity_pub/mrf/reject_non_public_test.exs
index 8e14b21ef..63c68d798 100644
--- a/test/pleroma/web/activity_pub/mrf/reject_non_public_test.exs
+++ b/test/pleroma/web/activity_pub/mrf/reject_non_public_test.exs
@@ -49,7 +49,7 @@ test "it's allowed when addrer of message in the follower addresses of user and
         "type" => "Create"
       }
 
-      Pleroma.Config.put([:mrf_rejectnonpublic, :allow_followersonly], true)
+      clear_config([:mrf_rejectnonpublic, :allow_followersonly], true)
       assert {:ok, _message} = RejectNonPublic.filter(message)
     end
 
@@ -63,7 +63,7 @@ test "it's rejected when addrer of message in the follower addresses of user and
         "type" => "Create"
       }
 
-      Pleroma.Config.put([:mrf_rejectnonpublic, :allow_followersonly], false)
+      clear_config([:mrf_rejectnonpublic, :allow_followersonly], false)
       assert {:reject, _} = RejectNonPublic.filter(message)
     end
   end
@@ -79,7 +79,7 @@ test "it's allows when direct messages are allow" do
         "type" => "Create"
       }
 
-      Pleroma.Config.put([:mrf_rejectnonpublic, :allow_direct], true)
+      clear_config([:mrf_rejectnonpublic, :allow_direct], true)
       assert {:ok, _message} = RejectNonPublic.filter(message)
     end
 
@@ -93,7 +93,7 @@ test "it's reject when direct messages aren't allow" do
         "type" => "Create"
       }
 
-      Pleroma.Config.put([:mrf_rejectnonpublic, :allow_direct], false)
+      clear_config([:mrf_rejectnonpublic, :allow_direct], false)
       assert {:reject, _} = RejectNonPublic.filter(message)
     end
   end
diff --git a/test/pleroma/web/activity_pub/mrf/simple_policy_test.exs b/test/pleroma/web/activity_pub/mrf/simple_policy_test.exs
index 60a20a80e..f48e5b39b 100644
--- a/test/pleroma/web/activity_pub/mrf/simple_policy_test.exs
+++ b/test/pleroma/web/activity_pub/mrf/simple_policy_test.exs
@@ -5,7 +5,6 @@
 defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicyTest do
   use Pleroma.DataCase
   import Pleroma.Factory
-  alias Pleroma.Config
   alias Pleroma.Web.ActivityPub.MRF.SimplePolicy
   alias Pleroma.Web.CommonAPI
 
@@ -25,7 +24,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicyTest do
 
   describe "when :media_removal" do
     test "is empty" do
-      Config.put([:mrf_simple, :media_removal], [])
+      clear_config([:mrf_simple, :media_removal], [])
       media_message = build_media_message()
       local_message = build_local_message()
 
@@ -34,7 +33,7 @@ test "is empty" do
     end
 
     test "has a matching host" do
-      Config.put([:mrf_simple, :media_removal], ["remote.instance"])
+      clear_config([:mrf_simple, :media_removal], ["remote.instance"])
       media_message = build_media_message()
       local_message = build_local_message()
 
@@ -47,7 +46,7 @@ test "has a matching host" do
     end
 
     test "match with wildcard domain" do
-      Config.put([:mrf_simple, :media_removal], ["*.remote.instance"])
+      clear_config([:mrf_simple, :media_removal], ["*.remote.instance"])
       media_message = build_media_message()
       local_message = build_local_message()
 
@@ -62,7 +61,7 @@ test "match with wildcard domain" do
 
   describe "when :media_nsfw" do
     test "is empty" do
-      Config.put([:mrf_simple, :media_nsfw], [])
+      clear_config([:mrf_simple, :media_nsfw], [])
       media_message = build_media_message()
       local_message = build_local_message()
 
@@ -71,7 +70,7 @@ test "is empty" do
     end
 
     test "has a matching host" do
-      Config.put([:mrf_simple, :media_nsfw], ["remote.instance"])
+      clear_config([:mrf_simple, :media_nsfw], ["remote.instance"])
       media_message = build_media_message()
       local_message = build_local_message()
 
@@ -85,7 +84,7 @@ test "has a matching host" do
     end
 
     test "match with wildcard domain" do
-      Config.put([:mrf_simple, :media_nsfw], ["*.remote.instance"])
+      clear_config([:mrf_simple, :media_nsfw], ["*.remote.instance"])
       media_message = build_media_message()
       local_message = build_local_message()
 
@@ -113,7 +112,7 @@ defp build_media_message do
 
   describe "when :report_removal" do
     test "is empty" do
-      Config.put([:mrf_simple, :report_removal], [])
+      clear_config([:mrf_simple, :report_removal], [])
       report_message = build_report_message()
       local_message = build_local_message()
 
@@ -122,7 +121,7 @@ test "is empty" do
     end
 
     test "has a matching host" do
-      Config.put([:mrf_simple, :report_removal], ["remote.instance"])
+      clear_config([:mrf_simple, :report_removal], ["remote.instance"])
       report_message = build_report_message()
       local_message = build_local_message()
 
@@ -131,7 +130,7 @@ test "has a matching host" do
     end
 
     test "match with wildcard domain" do
-      Config.put([:mrf_simple, :report_removal], ["*.remote.instance"])
+      clear_config([:mrf_simple, :report_removal], ["*.remote.instance"])
       report_message = build_report_message()
       local_message = build_local_message()
 
@@ -149,7 +148,7 @@ defp build_report_message do
 
   describe "when :federated_timeline_removal" do
     test "is empty" do
-      Config.put([:mrf_simple, :federated_timeline_removal], [])
+      clear_config([:mrf_simple, :federated_timeline_removal], [])
       {_, ftl_message} = build_ftl_actor_and_message()
       local_message = build_local_message()
 
@@ -166,7 +165,7 @@ test "has a matching host" do
         |> URI.parse()
         |> Map.fetch!(:host)
 
-      Config.put([:mrf_simple, :federated_timeline_removal], [ftl_message_actor_host])
+      clear_config([:mrf_simple, :federated_timeline_removal], [ftl_message_actor_host])
       local_message = build_local_message()
 
       assert {:ok, ftl_message} = SimplePolicy.filter(ftl_message)
@@ -187,7 +186,7 @@ test "match with wildcard domain" do
         |> URI.parse()
         |> Map.fetch!(:host)
 
-      Config.put([:mrf_simple, :federated_timeline_removal], ["*." <> ftl_message_actor_host])
+      clear_config([:mrf_simple, :federated_timeline_removal], ["*." <> ftl_message_actor_host])
       local_message = build_local_message()
 
       assert {:ok, ftl_message} = SimplePolicy.filter(ftl_message)
@@ -210,7 +209,7 @@ test "has a matching host but only as:Public in to" do
 
       ftl_message = Map.put(ftl_message, "cc", [])
 
-      Config.put([:mrf_simple, :federated_timeline_removal], [ftl_message_actor_host])
+      clear_config([:mrf_simple, :federated_timeline_removal], [ftl_message_actor_host])
 
       assert {:ok, ftl_message} = SimplePolicy.filter(ftl_message)
       refute "https://www.w3.org/ns/activitystreams#Public" in ftl_message["to"]
@@ -231,7 +230,7 @@ defp build_ftl_actor_and_message do
 
   describe "when :reject" do
     test "is empty" do
-      Config.put([:mrf_simple, :reject], [])
+      clear_config([:mrf_simple, :reject], [])
 
       remote_message = build_remote_message()
 
@@ -239,7 +238,7 @@ test "is empty" do
     end
 
     test "activity has a matching host" do
-      Config.put([:mrf_simple, :reject], ["remote.instance"])
+      clear_config([:mrf_simple, :reject], ["remote.instance"])
 
       remote_message = build_remote_message()
 
@@ -247,7 +246,7 @@ test "activity has a matching host" do
     end
 
     test "activity matches with wildcard domain" do
-      Config.put([:mrf_simple, :reject], ["*.remote.instance"])
+      clear_config([:mrf_simple, :reject], ["*.remote.instance"])
 
       remote_message = build_remote_message()
 
@@ -255,7 +254,7 @@ test "activity matches with wildcard domain" do
     end
 
     test "actor has a matching host" do
-      Config.put([:mrf_simple, :reject], ["remote.instance"])
+      clear_config([:mrf_simple, :reject], ["remote.instance"])
 
       remote_user = build_remote_user()
 
@@ -265,7 +264,7 @@ test "actor has a matching host" do
 
   describe "when :followers_only" do
     test "is empty" do
-      Config.put([:mrf_simple, :followers_only], [])
+      clear_config([:mrf_simple, :followers_only], [])
       {_, ftl_message} = build_ftl_actor_and_message()
       local_message = build_local_message()
 
@@ -305,7 +304,7 @@ test "has a matching host" do
         |> URI.parse()
         |> Map.fetch!(:host)
 
-      Config.put([:mrf_simple, :followers_only], [actor_domain])
+      clear_config([:mrf_simple, :followers_only], [actor_domain])
 
       assert {:ok, new_activity} = SimplePolicy.filter(activity)
       assert actor.follower_address in new_activity["cc"]
@@ -323,7 +322,7 @@ test "has a matching host" do
 
   describe "when :accept" do
     test "is empty" do
-      Config.put([:mrf_simple, :accept], [])
+      clear_config([:mrf_simple, :accept], [])
 
       local_message = build_local_message()
       remote_message = build_remote_message()
@@ -333,7 +332,7 @@ test "is empty" do
     end
 
     test "is not empty but activity doesn't have a matching host" do
-      Config.put([:mrf_simple, :accept], ["non.matching.remote"])
+      clear_config([:mrf_simple, :accept], ["non.matching.remote"])
 
       local_message = build_local_message()
       remote_message = build_remote_message()
@@ -343,7 +342,7 @@ test "is not empty but activity doesn't have a matching host" do
     end
 
     test "activity has a matching host" do
-      Config.put([:mrf_simple, :accept], ["remote.instance"])
+      clear_config([:mrf_simple, :accept], ["remote.instance"])
 
       local_message = build_local_message()
       remote_message = build_remote_message()
@@ -353,7 +352,7 @@ test "activity has a matching host" do
     end
 
     test "activity matches with wildcard domain" do
-      Config.put([:mrf_simple, :accept], ["*.remote.instance"])
+      clear_config([:mrf_simple, :accept], ["*.remote.instance"])
 
       local_message = build_local_message()
       remote_message = build_remote_message()
@@ -363,7 +362,7 @@ test "activity matches with wildcard domain" do
     end
 
     test "actor has a matching host" do
-      Config.put([:mrf_simple, :accept], ["remote.instance"])
+      clear_config([:mrf_simple, :accept], ["remote.instance"])
 
       remote_user = build_remote_user()
 
@@ -373,7 +372,7 @@ test "actor has a matching host" do
 
   describe "when :avatar_removal" do
     test "is empty" do
-      Config.put([:mrf_simple, :avatar_removal], [])
+      clear_config([:mrf_simple, :avatar_removal], [])
 
       remote_user = build_remote_user()
 
@@ -381,7 +380,7 @@ test "is empty" do
     end
 
     test "is not empty but it doesn't have a matching host" do
-      Config.put([:mrf_simple, :avatar_removal], ["non.matching.remote"])
+      clear_config([:mrf_simple, :avatar_removal], ["non.matching.remote"])
 
       remote_user = build_remote_user()
 
@@ -389,7 +388,7 @@ test "is not empty but it doesn't have a matching host" do
     end
 
     test "has a matching host" do
-      Config.put([:mrf_simple, :avatar_removal], ["remote.instance"])
+      clear_config([:mrf_simple, :avatar_removal], ["remote.instance"])
 
       remote_user = build_remote_user()
       {:ok, filtered} = SimplePolicy.filter(remote_user)
@@ -398,7 +397,7 @@ test "has a matching host" do
     end
 
     test "match with wildcard domain" do
-      Config.put([:mrf_simple, :avatar_removal], ["*.remote.instance"])
+      clear_config([:mrf_simple, :avatar_removal], ["*.remote.instance"])
 
       remote_user = build_remote_user()
       {:ok, filtered} = SimplePolicy.filter(remote_user)
@@ -409,7 +408,7 @@ test "match with wildcard domain" do
 
   describe "when :banner_removal" do
     test "is empty" do
-      Config.put([:mrf_simple, :banner_removal], [])
+      clear_config([:mrf_simple, :banner_removal], [])
 
       remote_user = build_remote_user()
 
@@ -417,7 +416,7 @@ test "is empty" do
     end
 
     test "is not empty but it doesn't have a matching host" do
-      Config.put([:mrf_simple, :banner_removal], ["non.matching.remote"])
+      clear_config([:mrf_simple, :banner_removal], ["non.matching.remote"])
 
       remote_user = build_remote_user()
 
@@ -425,7 +424,7 @@ test "is not empty but it doesn't have a matching host" do
     end
 
     test "has a matching host" do
-      Config.put([:mrf_simple, :banner_removal], ["remote.instance"])
+      clear_config([:mrf_simple, :banner_removal], ["remote.instance"])
 
       remote_user = build_remote_user()
       {:ok, filtered} = SimplePolicy.filter(remote_user)
@@ -434,7 +433,7 @@ test "has a matching host" do
     end
 
     test "match with wildcard domain" do
-      Config.put([:mrf_simple, :banner_removal], ["*.remote.instance"])
+      clear_config([:mrf_simple, :banner_removal], ["*.remote.instance"])
 
       remote_user = build_remote_user()
       {:ok, filtered} = SimplePolicy.filter(remote_user)
@@ -444,10 +443,10 @@ test "match with wildcard domain" do
   end
 
   describe "when :reject_deletes is empty" do
-    setup do: Config.put([:mrf_simple, :reject_deletes], [])
+    setup do: clear_config([:mrf_simple, :reject_deletes], [])
 
     test "it accepts deletions even from rejected servers" do
-      Config.put([:mrf_simple, :reject], ["remote.instance"])
+      clear_config([:mrf_simple, :reject], ["remote.instance"])
 
       deletion_message = build_remote_deletion_message()
 
@@ -455,7 +454,7 @@ test "it accepts deletions even from rejected servers" do
     end
 
     test "it accepts deletions even from non-whitelisted servers" do
-      Config.put([:mrf_simple, :accept], ["non.matching.remote"])
+      clear_config([:mrf_simple, :accept], ["non.matching.remote"])
 
       deletion_message = build_remote_deletion_message()
 
@@ -464,10 +463,10 @@ test "it accepts deletions even from non-whitelisted servers" do
   end
 
   describe "when :reject_deletes is not empty but it doesn't have a matching host" do
-    setup do: Config.put([:mrf_simple, :reject_deletes], ["non.matching.remote"])
+    setup do: clear_config([:mrf_simple, :reject_deletes], ["non.matching.remote"])
 
     test "it accepts deletions even from rejected servers" do
-      Config.put([:mrf_simple, :reject], ["remote.instance"])
+      clear_config([:mrf_simple, :reject], ["remote.instance"])
 
       deletion_message = build_remote_deletion_message()
 
@@ -475,7 +474,7 @@ test "it accepts deletions even from rejected servers" do
     end
 
     test "it accepts deletions even from non-whitelisted servers" do
-      Config.put([:mrf_simple, :accept], ["non.matching.remote"])
+      clear_config([:mrf_simple, :accept], ["non.matching.remote"])
 
       deletion_message = build_remote_deletion_message()
 
@@ -484,7 +483,7 @@ test "it accepts deletions even from non-whitelisted servers" do
   end
 
   describe "when :reject_deletes has a matching host" do
-    setup do: Config.put([:mrf_simple, :reject_deletes], ["remote.instance"])
+    setup do: clear_config([:mrf_simple, :reject_deletes], ["remote.instance"])
 
     test "it rejects the deletion" do
       deletion_message = build_remote_deletion_message()
@@ -494,7 +493,7 @@ test "it rejects the deletion" do
   end
 
   describe "when :reject_deletes match with wildcard domain" do
-    setup do: Config.put([:mrf_simple, :reject_deletes], ["*.remote.instance"])
+    setup do: clear_config([:mrf_simple, :reject_deletes], ["*.remote.instance"])
 
     test "it rejects the deletion" do
       deletion_message = build_remote_deletion_message()
diff --git a/test/pleroma/web/activity_pub/mrf/subchain_policy_test.exs b/test/pleroma/web/activity_pub/mrf/subchain_policy_test.exs
index b3427c6fd..4f5cc466c 100644
--- a/test/pleroma/web/activity_pub/mrf/subchain_policy_test.exs
+++ b/test/pleroma/web/activity_pub/mrf/subchain_policy_test.exs
@@ -16,7 +16,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SubchainPolicyTest do
   setup do: clear_config([:mrf_subchain, :match_actor])
 
   test "it matches and processes subchains when the actor matches a configured target" do
-    Pleroma.Config.put([:mrf_subchain, :match_actor], %{
+    clear_config([:mrf_subchain, :match_actor], %{
       ~r/^https:\/\/banned.com/s => [DropPolicy]
     })
 
@@ -24,7 +24,7 @@ test "it matches and processes subchains when the actor matches a configured tar
   end
 
   test "it doesn't match and process subchains when the actor doesn't match a configured target" do
-    Pleroma.Config.put([:mrf_subchain, :match_actor], %{
+    clear_config([:mrf_subchain, :match_actor], %{
       ~r/^https:\/\/borked.com/s => [DropPolicy]
     })
 
diff --git a/test/pleroma/web/activity_pub/mrf/user_allow_list_policy_test.exs b/test/pleroma/web/activity_pub/mrf/user_allow_list_policy_test.exs
index 0e852731e..f0432ea42 100644
--- a/test/pleroma/web/activity_pub/mrf/user_allow_list_policy_test.exs
+++ b/test/pleroma/web/activity_pub/mrf/user_allow_list_policy_test.exs
@@ -17,14 +17,14 @@ test "pass filter if allow list is empty" do
 
   test "pass filter if allow list isn't empty and user in allow list" do
     actor = insert(:user)
-    Pleroma.Config.put([:mrf_user_allowlist], %{"localhost" => [actor.ap_id, "test-ap-id"]})
+    clear_config([:mrf_user_allowlist], %{"localhost" => [actor.ap_id, "test-ap-id"]})
     message = %{"actor" => actor.ap_id}
     assert UserAllowListPolicy.filter(message) == {:ok, message}
   end
 
   test "rejected if allow list isn't empty and user not in allow list" do
     actor = insert(:user)
-    Pleroma.Config.put([:mrf_user_allowlist], %{"localhost" => ["test-ap-id"]})
+    clear_config([:mrf_user_allowlist], %{"localhost" => ["test-ap-id"]})
     message = %{"actor" => actor.ap_id}
     assert {:reject, _} = UserAllowListPolicy.filter(message)
   end
diff --git a/test/pleroma/web/activity_pub/mrf/vocabulary_policy_test.exs b/test/pleroma/web/activity_pub/mrf/vocabulary_policy_test.exs
index d368d70b7..87d1d79b5 100644
--- a/test/pleroma/web/activity_pub/mrf/vocabulary_policy_test.exs
+++ b/test/pleroma/web/activity_pub/mrf/vocabulary_policy_test.exs
@@ -11,7 +11,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.VocabularyPolicyTest do
     setup do: clear_config([:mrf_vocabulary, :accept])
 
     test "it accepts based on parent activity type" do
-      Pleroma.Config.put([:mrf_vocabulary, :accept], ["Like"])
+      clear_config([:mrf_vocabulary, :accept], ["Like"])
 
       message = %{
         "type" => "Like",
@@ -22,7 +22,7 @@ test "it accepts based on parent activity type" do
     end
 
     test "it accepts based on child object type" do
-      Pleroma.Config.put([:mrf_vocabulary, :accept], ["Create", "Note"])
+      clear_config([:mrf_vocabulary, :accept], ["Create", "Note"])
 
       message = %{
         "type" => "Create",
@@ -36,7 +36,7 @@ test "it accepts based on child object type" do
     end
 
     test "it does not accept disallowed child objects" do
-      Pleroma.Config.put([:mrf_vocabulary, :accept], ["Create", "Note"])
+      clear_config([:mrf_vocabulary, :accept], ["Create", "Note"])
 
       message = %{
         "type" => "Create",
@@ -50,7 +50,7 @@ test "it does not accept disallowed child objects" do
     end
 
     test "it does not accept disallowed parent types" do
-      Pleroma.Config.put([:mrf_vocabulary, :accept], ["Announce", "Note"])
+      clear_config([:mrf_vocabulary, :accept], ["Announce", "Note"])
 
       message = %{
         "type" => "Create",
@@ -68,7 +68,7 @@ test "it does not accept disallowed parent types" do
     setup do: clear_config([:mrf_vocabulary, :reject])
 
     test "it rejects based on parent activity type" do
-      Pleroma.Config.put([:mrf_vocabulary, :reject], ["Like"])
+      clear_config([:mrf_vocabulary, :reject], ["Like"])
 
       message = %{
         "type" => "Like",
@@ -79,7 +79,7 @@ test "it rejects based on parent activity type" do
     end
 
     test "it rejects based on child object type" do
-      Pleroma.Config.put([:mrf_vocabulary, :reject], ["Note"])
+      clear_config([:mrf_vocabulary, :reject], ["Note"])
 
       message = %{
         "type" => "Create",
@@ -93,7 +93,7 @@ test "it rejects based on child object type" do
     end
 
     test "it passes through objects that aren't disallowed" do
-      Pleroma.Config.put([:mrf_vocabulary, :reject], ["Like"])
+      clear_config([:mrf_vocabulary, :reject], ["Like"])
 
       message = %{
         "type" => "Announce",
diff --git a/test/pleroma/web/activity_pub/object_validators/chat_validation_test.exs b/test/pleroma/web/activity_pub/object_validators/chat_validation_test.exs
index 782f6c652..320854187 100644
--- a/test/pleroma/web/activity_pub/object_validators/chat_validation_test.exs
+++ b/test/pleroma/web/activity_pub/object_validators/chat_validation_test.exs
@@ -149,7 +149,7 @@ test "does not validate if the message has no content", %{
     test "does not validate if the message is longer than the remote_limit", %{
       valid_chat_message: valid_chat_message
     } do
-      Pleroma.Config.put([:instance, :remote_limit], 2)
+      clear_config([:instance, :remote_limit], 2)
       refute match?({:ok, _object, _meta}, ObjectValidator.validate(valid_chat_message, []))
     end
 
diff --git a/test/pleroma/web/activity_pub/transmogrifier/follow_handling_test.exs b/test/pleroma/web/activity_pub/transmogrifier/follow_handling_test.exs
index 67d441b85..604444a4c 100644
--- a/test/pleroma/web/activity_pub/transmogrifier/follow_handling_test.exs
+++ b/test/pleroma/web/activity_pub/transmogrifier/follow_handling_test.exs
@@ -133,7 +133,7 @@ test "it works for follow requests when you are already followed, creating a new
     end
 
     test "it rejects incoming follow requests from blocked users when deny_follow_blocked is enabled" do
-      Pleroma.Config.put([:user, :deny_follow_blocked], true)
+      clear_config([:user, :deny_follow_blocked], true)
 
       user = insert(:user)
       {:ok, target} = User.get_or_fetch("http://mastodon.example.org/users/admin")
diff --git a/test/pleroma/web/activity_pub/transmogrifier/note_handling_test.exs b/test/pleroma/web/activity_pub/transmogrifier/note_handling_test.exs
index be99ad93d..31586abc9 100644
--- a/test/pleroma/web/activity_pub/transmogrifier/note_handling_test.exs
+++ b/test/pleroma/web/activity_pub/transmogrifier/note_handling_test.exs
@@ -415,7 +415,7 @@ test "schedules background fetching of `replies` items if max thread depth limit
       data: data,
       items: items
     } do
-      Pleroma.Config.put([:instance, :federation_incoming_replies_max_depth], 10)
+      clear_config([:instance, :federation_incoming_replies_max_depth], 10)
 
       {:ok, _activity} = Transmogrifier.handle_incoming(data)
 
@@ -427,7 +427,7 @@ test "schedules background fetching of `replies` items if max thread depth limit
 
     test "does NOT schedule background fetching of `replies` beyond max thread depth limit allows",
          %{data: data} do
-      Pleroma.Config.put([:instance, :federation_incoming_replies_max_depth], 0)
+      clear_config([:instance, :federation_incoming_replies_max_depth], 0)
 
       {:ok, _activity} = Transmogrifier.handle_incoming(data)
 
@@ -464,7 +464,7 @@ test "schedules background fetching of `replies` items if max thread depth limit
       federation_output: federation_output,
       replies_uris: replies_uris
     } do
-      Pleroma.Config.put([:instance, :federation_incoming_replies_max_depth], 1)
+      clear_config([:instance, :federation_incoming_replies_max_depth], 1)
 
       {:ok, _activity} = Transmogrifier.handle_incoming(federation_output)
 
@@ -476,7 +476,7 @@ test "schedules background fetching of `replies` items if max thread depth limit
 
     test "does NOT schedule background fetching of `replies` beyond max thread depth limit allows",
          %{federation_output: federation_output} do
-      Pleroma.Config.put([:instance, :federation_incoming_replies_max_depth], 0)
+      clear_config([:instance, :federation_incoming_replies_max_depth], 0)
 
       {:ok, _activity} = Transmogrifier.handle_incoming(federation_output)
 
@@ -551,7 +551,7 @@ test "returns not modified object when hasn't containts inReplyTo field", %{data
     end
 
     test "returns object with inReplyTo when denied incoming reply", %{data: data} do
-      Pleroma.Config.put([:instance, :federation_incoming_replies_max_depth], 0)
+      clear_config([:instance, :federation_incoming_replies_max_depth], 0)
 
       object_with_reply =
         Map.put(data["object"], "inReplyTo", "https://shitposter.club/notice/2827873")
@@ -585,7 +585,7 @@ test "returns modified object when allowed incoming reply", %{data: data} do
           "https://mstdn.io/users/mayuutann/statuses/99568293732299394"
         )
 
-      Pleroma.Config.put([:instance, :federation_incoming_replies_max_depth], 5)
+      clear_config([:instance, :federation_incoming_replies_max_depth], 5)
       modified_object = Transmogrifier.fix_in_reply_to(object_with_reply)
 
       assert modified_object["inReplyTo"] ==
diff --git a/test/pleroma/web/admin_api/controllers/config_controller_test.exs b/test/pleroma/web/admin_api/controllers/config_controller_test.exs
index 75ca892aa..77688c7a3 100644
--- a/test/pleroma/web/admin_api/controllers/config_controller_test.exs
+++ b/test/pleroma/web/admin_api/controllers/config_controller_test.exs
@@ -8,7 +8,6 @@ defmodule Pleroma.Web.AdminAPI.ConfigControllerTest do
   import ExUnit.CaptureLog
   import Pleroma.Factory
 
-  alias Pleroma.Config
   alias Pleroma.ConfigDB
 
   setup do
@@ -27,7 +26,7 @@ defmodule Pleroma.Web.AdminAPI.ConfigControllerTest do
     setup do: clear_config(:configurable_from_database, true)
 
     test "when configuration from database is off", %{conn: conn} do
-      Config.put(:configurable_from_database, false)
+      clear_config(:configurable_from_database, false)
       conn = get(conn, "/api/pleroma/admin/config")
 
       assert json_response_and_validate_schema(conn, 400) ==
@@ -410,8 +409,7 @@ test "saving config with partial update", %{conn: conn} do
     end
 
     test "saving config which need pleroma reboot", %{conn: conn} do
-      chat = Config.get(:chat)
-      on_exit(fn -> Config.put(:chat, chat) end)
+      clear_config([:chat, :enabled], true)
 
       assert conn
              |> put_req_header("content-type", "application/json")
@@ -456,8 +454,7 @@ test "saving config which need pleroma reboot", %{conn: conn} do
     end
 
     test "update setting which need reboot, don't change reboot flag until reboot", %{conn: conn} do
-      chat = Config.get(:chat)
-      on_exit(fn -> Config.put(:chat, chat) end)
+      clear_config([:chat, :enabled], true)
 
       assert conn
              |> put_req_header("content-type", "application/json")
diff --git a/test/pleroma/web/admin_api/controllers/invite_controller_test.exs b/test/pleroma/web/admin_api/controllers/invite_controller_test.exs
index 0f3ca44bc..6366061c8 100644
--- a/test/pleroma/web/admin_api/controllers/invite_controller_test.exs
+++ b/test/pleroma/web/admin_api/controllers/invite_controller_test.exs
@@ -7,7 +7,6 @@ defmodule Pleroma.Web.AdminAPI.InviteControllerTest do
 
   import Pleroma.Factory
 
-  alias Pleroma.Config
   alias Pleroma.Repo
   alias Pleroma.UserInviteToken
 
@@ -119,8 +118,8 @@ test "email with +", %{conn: conn, admin: admin} do
     setup do: clear_config([:instance, :invites_enabled])
 
     test "it returns 500 if `invites_enabled` is not enabled", %{conn: conn} do
-      Config.put([:instance, :registrations_open], false)
-      Config.put([:instance, :invites_enabled], false)
+      clear_config([:instance, :registrations_open], false)
+      clear_config([:instance, :invites_enabled], false)
 
       conn =
         conn
@@ -138,8 +137,8 @@ test "it returns 500 if `invites_enabled` is not enabled", %{conn: conn} do
     end
 
     test "it returns 500 if `registrations_open` is enabled", %{conn: conn} do
-      Config.put([:instance, :registrations_open], true)
-      Config.put([:instance, :invites_enabled], true)
+      clear_config([:instance, :registrations_open], true)
+      clear_config([:instance, :invites_enabled], true)
 
       conn =
         conn
diff --git a/test/pleroma/web/admin_api/controllers/media_proxy_cache_controller_test.exs b/test/pleroma/web/admin_api/controllers/media_proxy_cache_controller_test.exs
index db935ad12..5d872901e 100644
--- a/test/pleroma/web/admin_api/controllers/media_proxy_cache_controller_test.exs
+++ b/test/pleroma/web/admin_api/controllers/media_proxy_cache_controller_test.exs
@@ -21,9 +21,9 @@ defmodule Pleroma.Web.AdminAPI.MediaProxyCacheControllerTest do
       |> assign(:user, admin)
       |> assign(:token, token)
 
-    Config.put([:media_proxy, :enabled], true)
-    Config.put([:media_proxy, :invalidation, :enabled], true)
-    Config.put([:media_proxy, :invalidation, :provider], MediaProxy.Invalidation.Script)
+    clear_config([:media_proxy, :enabled], true)
+    clear_config([:media_proxy, :invalidation, :enabled], true)
+    clear_config([:media_proxy, :invalidation, :provider], MediaProxy.Invalidation.Script)
 
     {:ok, %{admin: admin, token: token, conn: conn}}
   end
diff --git a/test/pleroma/web/chat_channel_test.exs b/test/pleroma/web/chat_channel_test.exs
index e8c3d965e..29999701c 100644
--- a/test/pleroma/web/chat_channel_test.exs
+++ b/test/pleroma/web/chat_channel_test.exs
@@ -33,7 +33,7 @@ test "it ignores messages of length zero", %{socket: socket} do
     end
 
     test "it ignores messages above a certain length", %{socket: socket} do
-      Pleroma.Config.put([:instance, :chat_limit], 2)
+      clear_config([:instance, :chat_limit], 2)
       push(socket, "new_msg", %{"text" => "123"})
       refute_broadcast("new_msg", %{text: "123"})
     end
diff --git a/test/pleroma/web/common_api_test.exs b/test/pleroma/web/common_api_test.exs
index c996766ea..adfe58def 100644
--- a/test/pleroma/web/common_api_test.exs
+++ b/test/pleroma/web/common_api_test.exs
@@ -234,7 +234,7 @@ test "it posts a chat message" do
     end
 
     test "it reject messages over the local limit" do
-      Pleroma.Config.put([:instance, :chat_limit], 2)
+      clear_config([:instance, :chat_limit], 2)
 
       author = insert(:user)
       recipient = insert(:user)
@@ -475,7 +475,7 @@ test "with the safe_dm_mention option set, it does not mention people beyond the
     jafnhar = insert(:user)
     tridi = insert(:user)
 
-    Pleroma.Config.put([:instance, :safe_dm_mentions], true)
+    clear_config([:instance, :safe_dm_mentions], true)
 
     {:ok, activity} =
       CommonAPI.post(har, %{
@@ -642,7 +642,7 @@ test "it returns error when status is empty and no attachments" do
     end
 
     test "it validates character limits are correctly enforced" do
-      Pleroma.Config.put([:instance, :limit], 5)
+      clear_config([:instance, :limit], 5)
 
       user = insert(:user)
 
@@ -793,7 +793,7 @@ test "favoriting a status twice returns ok, but without the like activity" do
 
   describe "pinned statuses" do
     setup do
-      Pleroma.Config.put([:instance, :max_pinned_statuses], 1)
+      clear_config([:instance, :max_pinned_statuses], 1)
 
       user = insert(:user)
       {:ok, activity} = CommonAPI.post(user, %{status: "HI!!!"})
diff --git a/test/pleroma/web/federator_test.exs b/test/pleroma/web/federator_test.exs
index 1bff8d99c..532ee6d30 100644
--- a/test/pleroma/web/federator_test.exs
+++ b/test/pleroma/web/federator_test.exs
@@ -56,7 +56,7 @@ test "with relays deactivated, it does not publish to the relay", %{
       activity: activity,
       relay_mock: relay_mock
     } do
-      Pleroma.Config.put([:instance, :allow_relay], false)
+      clear_config([:instance, :allow_relay], false)
 
       with_mocks([relay_mock]) do
         Federator.publish(activity)
@@ -155,9 +155,9 @@ test "rejects incoming AP docs with incorrect origin" do
     end
 
     test "it does not crash if MRF rejects the post" do
-      Pleroma.Config.put([:mrf_keyword, :reject], ["lain"])
+      clear_config([:mrf_keyword, :reject], ["lain"])
 
-      Pleroma.Config.put(
+      clear_config(
         [:mrf, :policies],
         Pleroma.Web.ActivityPub.MRF.KeywordPolicy
       )
diff --git a/test/pleroma/web/feed/tag_controller_test.exs b/test/pleroma/web/feed/tag_controller_test.exs
index aeec89b06..5c9201de1 100644
--- a/test/pleroma/web/feed/tag_controller_test.exs
+++ b/test/pleroma/web/feed/tag_controller_test.exs
@@ -8,7 +8,6 @@ defmodule Pleroma.Web.Feed.TagControllerTest do
   import Pleroma.Factory
   import SweetXml
 
-  alias Pleroma.Config
   alias Pleroma.Object
   alias Pleroma.Web.CommonAPI
   alias Pleroma.Web.Feed.FeedView
@@ -16,7 +15,7 @@ defmodule Pleroma.Web.Feed.TagControllerTest do
   setup do: clear_config([:feed])
 
   test "gets a feed (ATOM)", %{conn: conn} do
-    Config.put(
+    clear_config(
       [:feed, :post_title],
       %{max_length: 25, omission: "..."}
     )
@@ -83,7 +82,7 @@ test "gets a feed (ATOM)", %{conn: conn} do
   end
 
   test "gets a feed (RSS)", %{conn: conn} do
-    Config.put(
+    clear_config(
       [:feed, :post_title],
       %{max_length: 25, omission: "..."}
     )
diff --git a/test/pleroma/web/feed/user_controller_test.exs b/test/pleroma/web/feed/user_controller_test.exs
index 66667783d..408653d92 100644
--- a/test/pleroma/web/feed/user_controller_test.exs
+++ b/test/pleroma/web/feed/user_controller_test.exs
@@ -8,7 +8,6 @@ defmodule Pleroma.Web.Feed.UserControllerTest do
   import Pleroma.Factory
   import SweetXml
 
-  alias Pleroma.Config
   alias Pleroma.Object
   alias Pleroma.User
   alias Pleroma.Web.CommonAPI
@@ -20,7 +19,7 @@ defmodule Pleroma.Web.Feed.UserControllerTest do
     setup do: clear_config([:feed])
 
     setup do
-      Config.put(
+      clear_config(
         [:feed, :post_title],
         %{max_length: 15, omission: "..."}
       )
@@ -236,7 +235,7 @@ test "with non-html / non-json format, it returns error when user is not found",
     setup do: clear_config([:instance, :public])
 
     test "returns 404 for user feed", %{conn: conn} do
-      Config.put([:instance, :public], false)
+      clear_config([:instance, :public], false)
       user = insert(:user)
 
       {:ok, _} = CommonAPI.post(user, %{status: "test"})
diff --git a/test/pleroma/web/mastodon_api/controllers/account_controller_test.exs b/test/pleroma/web/mastodon_api/controllers/account_controller_test.exs
index 1276597a4..b7a3edd4b 100644
--- a/test/pleroma/web/mastodon_api/controllers/account_controller_test.exs
+++ b/test/pleroma/web/mastodon_api/controllers/account_controller_test.exs
@@ -1007,7 +1007,7 @@ test "registers and logs in without :account_activation_required / :account_appr
       assert %{"error" => "{\"email\":[\"Invalid email\"]}"} =
                json_response_and_validate_schema(conn, 400)
 
-      Pleroma.Config.put([User, :email_blacklist], [])
+      clear_config([User, :email_blacklist], [])
 
       conn =
         build_conn()
diff --git a/test/pleroma/web/mastodon_api/controllers/scheduled_activity_controller_test.exs b/test/pleroma/web/mastodon_api/controllers/scheduled_activity_controller_test.exs
index a5aa72f6f..b28e3df56 100644
--- a/test/pleroma/web/mastodon_api/controllers/scheduled_activity_controller_test.exs
+++ b/test/pleroma/web/mastodon_api/controllers/scheduled_activity_controller_test.exs
@@ -55,7 +55,7 @@ test "shows a scheduled activity" do
   end
 
   test "updates a scheduled activity" do
-    Pleroma.Config.put([ScheduledActivity, :enabled], true)
+    clear_config([ScheduledActivity, :enabled], true)
     %{user: user, conn: conn} = oauth_access(["write:statuses"])
 
     scheduled_at = Timex.shift(NaiveDateTime.utc_now(), minutes: 60)
@@ -103,7 +103,7 @@ test "updates a scheduled activity" do
   end
 
   test "deletes a scheduled activity" do
-    Pleroma.Config.put([ScheduledActivity, :enabled], true)
+    clear_config([ScheduledActivity, :enabled], true)
     %{user: user, conn: conn} = oauth_access(["write:statuses"])
     scheduled_at = Timex.shift(NaiveDateTime.utc_now(), minutes: 60)
 
diff --git a/test/pleroma/web/mastodon_api/controllers/status_controller_test.exs b/test/pleroma/web/mastodon_api/controllers/status_controller_test.exs
index bfb44374e..a647cd57f 100644
--- a/test/pleroma/web/mastodon_api/controllers/status_controller_test.exs
+++ b/test/pleroma/web/mastodon_api/controllers/status_controller_test.exs
@@ -7,7 +7,6 @@ defmodule Pleroma.Web.MastodonAPI.StatusControllerTest do
   use Oban.Testing, repo: Pleroma.Repo
 
   alias Pleroma.Activity
-  alias Pleroma.Config
   alias Pleroma.Conversation.Participation
   alias Pleroma.Object
   alias Pleroma.Repo
@@ -29,7 +28,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusControllerTest do
     setup do: oauth_access(["write:statuses"])
 
     test "posting a status does not increment reblog_count when relaying", %{conn: conn} do
-      Config.put([:instance, :federating], true)
+      clear_config([:instance, :federating], true)
       Config.get([:instance, :allow_relay], true)
 
       response =
@@ -151,8 +150,8 @@ test "it fails to create a status if `expires_in` is less or equal than an hour"
     end
 
     test "Get MRF reason when posting a status is rejected by one", %{conn: conn} do
-      Config.put([:mrf_keyword, :reject], ["GNO"])
-      Config.put([:mrf, :policies], [Pleroma.Web.ActivityPub.MRF.KeywordPolicy])
+      clear_config([:mrf_keyword, :reject], ["GNO"])
+      clear_config([:mrf, :policies], [Pleroma.Web.ActivityPub.MRF.KeywordPolicy])
 
       assert %{"error" => "[KeywordPolicy] Matches with rejected keyword"} =
                conn
@@ -1204,7 +1203,7 @@ test "on pin removes deletion job, on unpin reschedule deletion" do
 
   describe "cards" do
     setup do
-      Config.put([:rich_media, :enabled], true)
+      clear_config([:rich_media, :enabled], true)
 
       oauth_access(["read:statuses"])
     end
diff --git a/test/pleroma/web/mastodon_api/masto_fe_controller_test.exs b/test/pleroma/web/mastodon_api/masto_fe_controller_test.exs
index a8ad025c9..ea66c708f 100644
--- a/test/pleroma/web/mastodon_api/masto_fe_controller_test.exs
+++ b/test/pleroma/web/mastodon_api/masto_fe_controller_test.exs
@@ -5,7 +5,6 @@
 defmodule Pleroma.Web.MastodonAPI.MastoFEControllerTest do
   use Pleroma.Web.ConnCase
 
-  alias Pleroma.Config
   alias Pleroma.User
 
   import Pleroma.Factory
@@ -55,7 +54,7 @@ test "redirects not logged-in users to the login page on private instances", %{
       conn: conn,
       path: path
     } do
-      Config.put([:instance, :public], false)
+      clear_config([:instance, :public], false)
 
       conn = get(conn, path)
 
diff --git a/test/pleroma/web/mastodon_api/views/account_view_test.exs b/test/pleroma/web/mastodon_api/views/account_view_test.exs
index 6de5dc859..999bde474 100644
--- a/test/pleroma/web/mastodon_api/views/account_view_test.exs
+++ b/test/pleroma/web/mastodon_api/views/account_view_test.exs
@@ -5,7 +5,6 @@
 defmodule Pleroma.Web.MastodonAPI.AccountViewTest do
   use Pleroma.DataCase
 
-  alias Pleroma.Config
   alias Pleroma.User
   alias Pleroma.UserRelationship
   alias Pleroma.Web.CommonAPI
@@ -556,7 +555,7 @@ test "uses mediaproxy urls when it's enabled (regardless of media preview proxy
       )
 
     with media_preview_enabled <- [false, true] do
-      Config.put([:media_preview_proxy, :enabled], media_preview_enabled)
+      clear_config([:media_preview_proxy, :enabled], media_preview_enabled)
 
       AccountView.render("show.json", %{user: user, skip_visibility_check: true})
       |> Enum.all?(fn
diff --git a/test/pleroma/web/media_proxy/invalidation_test.exs b/test/pleroma/web/media_proxy/invalidation_test.exs
index 8fb026847..c77b8c94a 100644
--- a/test/pleroma/web/media_proxy/invalidation_test.exs
+++ b/test/pleroma/web/media_proxy/invalidation_test.exs
@@ -5,7 +5,6 @@
 defmodule Pleroma.Web.MediaProxy.InvalidationTest do
   use Pleroma.DataCase
 
-  alias Pleroma.Config
   alias Pleroma.Web.MediaProxy.Invalidation
 
   import ExUnit.CaptureLog
@@ -16,11 +15,11 @@ defmodule Pleroma.Web.MediaProxy.InvalidationTest do
 
   describe "Invalidation.Http" do
     test "perform request to clear cache" do
-      Config.put([:media_proxy, :enabled], false)
-      Config.put([:media_proxy, :invalidation, :enabled], true)
-      Config.put([:media_proxy, :invalidation, :provider], Invalidation.Http)
+      clear_config([:media_proxy, :enabled], false)
+      clear_config([:media_proxy, :invalidation, :enabled], true)
+      clear_config([:media_proxy, :invalidation, :provider], Invalidation.Http)
 
-      Config.put([Invalidation.Http], method: :purge, headers: [{"x-refresh", 1}])
+      clear_config([Invalidation.Http], method: :purge, headers: [{"x-refresh", 1}])
       image_url = "http://example.com/media/example.jpg"
       Pleroma.Web.MediaProxy.put_in_banned_urls(image_url)
 
@@ -43,10 +42,10 @@ test "perform request to clear cache" do
 
   describe "Invalidation.Script" do
     test "run script to clear cache" do
-      Config.put([:media_proxy, :enabled], false)
-      Config.put([:media_proxy, :invalidation, :enabled], true)
-      Config.put([:media_proxy, :invalidation, :provider], Invalidation.Script)
-      Config.put([Invalidation.Script], script_path: "purge-nginx")
+      clear_config([:media_proxy, :enabled], false)
+      clear_config([:media_proxy, :invalidation, :enabled], true)
+      clear_config([:media_proxy, :invalidation, :provider], Invalidation.Script)
+      clear_config([Invalidation.Script], script_path: "purge-nginx")
 
       image_url = "http://example.com/media/example.jpg"
       Pleroma.Web.MediaProxy.put_in_banned_urls(image_url)
diff --git a/test/pleroma/web/media_proxy/media_proxy_controller_test.exs b/test/pleroma/web/media_proxy/media_proxy_controller_test.exs
index 56a94e09a..2a449e56d 100644
--- a/test/pleroma/web/media_proxy/media_proxy_controller_test.exs
+++ b/test/pleroma/web/media_proxy/media_proxy_controller_test.exs
@@ -33,7 +33,7 @@ test "it returns 404 when disabled", %{conn: conn} do
     end
 
     test "it returns 403 for invalid signature", %{conn: conn, url: url} do
-      Pleroma.Config.put([Pleroma.Web.Endpoint, :secret_key_base], "000")
+      clear_config([Pleroma.Web.Endpoint, :secret_key_base], "000")
       %{path: path} = URI.parse(url)
 
       assert %Conn{
@@ -128,7 +128,7 @@ test "returns 404 when disabled", %{conn: conn} do
     end
 
     test "it returns 403 for invalid signature", %{conn: conn, url: url} do
-      Pleroma.Config.put([Pleroma.Web.Endpoint, :secret_key_base], "000")
+      clear_config([Pleroma.Web.Endpoint, :secret_key_base], "000")
       %{path: path} = URI.parse(url)
 
       assert %Conn{
diff --git a/test/pleroma/web/metadata/providers/open_graph_test.exs b/test/pleroma/web/metadata/providers/open_graph_test.exs
index e0f615785..fc44b3cbd 100644
--- a/test/pleroma/web/metadata/providers/open_graph_test.exs
+++ b/test/pleroma/web/metadata/providers/open_graph_test.exs
@@ -66,7 +66,7 @@ test "it renders all supported types of attachments and skips unknown types" do
   end
 
   test "it does not render attachments if post is nsfw" do
-    Pleroma.Config.put([Pleroma.Web.Metadata, :unfurl_nsfw], false)
+    clear_config([Pleroma.Web.Metadata, :unfurl_nsfw], false)
     user = insert(:user, avatar: %{"url" => [%{"href" => "https://pleroma.gov/tenshi.png"}]})
 
     note =
diff --git a/test/pleroma/web/metadata/providers/twitter_card_test.exs b/test/pleroma/web/metadata/providers/twitter_card_test.exs
index 3c70a1562..a35e44356 100644
--- a/test/pleroma/web/metadata/providers/twitter_card_test.exs
+++ b/test/pleroma/web/metadata/providers/twitter_card_test.exs
@@ -54,7 +54,7 @@ test "it uses summary twittercard if post has no attachment" do
   end
 
   test "it renders avatar not attachment if post is nsfw and unfurl_nsfw is disabled" do
-    Pleroma.Config.put([Pleroma.Web.Metadata, :unfurl_nsfw], false)
+    clear_config([Pleroma.Web.Metadata, :unfurl_nsfw], false)
     user = insert(:user, name: "Jimmy Hendriks", bio: "born 19 March 1994")
     {:ok, activity} = CommonAPI.post(user, %{status: "HI"})
 
diff --git a/test/pleroma/web/node_info_test.exs b/test/pleroma/web/node_info_test.exs
index 888b62791..ee6fdaae8 100644
--- a/test/pleroma/web/node_info_test.exs
+++ b/test/pleroma/web/node_info_test.exs
@@ -7,8 +7,6 @@ defmodule Pleroma.Web.NodeInfoTest do
 
   import Pleroma.Factory
 
-  alias Pleroma.Config
-
   setup do: clear_config([:mrf_simple])
   setup do: clear_config(:instance)
 
@@ -93,7 +91,7 @@ test "it returns the safe_dm_mentions feature if enabled", %{conn: conn} do
 
     assert "safe_dm_mentions" in response["metadata"]["features"]
 
-    Config.put([:instance, :safe_dm_mentions], false)
+    clear_config([:instance, :safe_dm_mentions], false)
 
     response =
       conn
@@ -107,7 +105,7 @@ test "it returns the safe_dm_mentions feature if enabled", %{conn: conn} do
     setup do: clear_config([:instance, :federating])
 
     test "it shows if federation is enabled/disabled", %{conn: conn} do
-      Config.put([:instance, :federating], true)
+      clear_config([:instance, :federating], true)
 
       response =
         conn
@@ -116,7 +114,7 @@ test "it shows if federation is enabled/disabled", %{conn: conn} do
 
       assert response["metadata"]["federation"]["enabled"] == true
 
-      Config.put([:instance, :federating], false)
+      clear_config([:instance, :federating], false)
 
       response =
         conn
diff --git a/test/pleroma/web/o_auth/o_auth_controller_test.exs b/test/pleroma/web/o_auth/o_auth_controller_test.exs
index 9c7c57d48..312500feb 100644
--- a/test/pleroma/web/o_auth/o_auth_controller_test.exs
+++ b/test/pleroma/web/o_auth/o_auth_controller_test.exs
@@ -923,7 +923,7 @@ test "rejects token exchange with invalid client credentials" do
     end
 
     test "rejects token exchange for valid credentials belonging to unconfirmed user and confirmation is required" do
-      Pleroma.Config.put([:instance, :account_activation_required], true)
+      clear_config([:instance, :account_activation_required], true)
       password = "testpassword"
 
       {:ok, user} =
@@ -1007,7 +1007,7 @@ test "rejects token exchange for user with password_reset_pending set to true" d
     end
 
     test "rejects token exchange for user with confirmation_pending set to true" do
-      Pleroma.Config.put([:instance, :account_activation_required], true)
+      clear_config([:instance, :account_activation_required], true)
       password = "testpassword"
 
       user =
@@ -1086,7 +1086,7 @@ test "rejects an invalid authorization code" do
     setup do: clear_config([:oauth2, :issue_new_refresh_token])
 
     test "issues a new access token with keep fresh token" do
-      Pleroma.Config.put([:oauth2, :issue_new_refresh_token], true)
+      clear_config([:oauth2, :issue_new_refresh_token], true)
       user = insert(:user)
       app = insert(:oauth_app, scopes: ["read", "write"])
 
@@ -1125,7 +1125,7 @@ test "issues a new access token with keep fresh token" do
     end
 
     test "issues a new access token with new fresh token" do
-      Pleroma.Config.put([:oauth2, :issue_new_refresh_token], false)
+      clear_config([:oauth2, :issue_new_refresh_token], false)
       user = insert(:user)
       app = insert(:oauth_app, scopes: ["read", "write"])
 
diff --git a/test/pleroma/web/pleroma_api/controllers/emoji_pack_controller_test.exs b/test/pleroma/web/pleroma_api/controllers/emoji_pack_controller_test.exs
index 5c2473955..cd9fc391d 100644
--- a/test/pleroma/web/pleroma_api/controllers/emoji_pack_controller_test.exs
+++ b/test/pleroma/web/pleroma_api/controllers/emoji_pack_controller_test.exs
@@ -31,7 +31,7 @@ defmodule Pleroma.Web.PleromaAPI.EmojiPackControllerTest do
   end
 
   test "GET /api/pleroma/emoji/packs when :public: false", %{conn: conn} do
-    Config.put([:instance, :public], false)
+    clear_config([:instance, :public], false)
     conn |> get("/api/pleroma/emoji/packs") |> json_response_and_validate_schema(200)
   end
 
diff --git a/test/pleroma/web/plugs/admin_secret_authentication_plug_test.exs b/test/pleroma/web/plugs/admin_secret_authentication_plug_test.exs
index 665c1962e..79561afb7 100644
--- a/test/pleroma/web/plugs/admin_secret_authentication_plug_test.exs
+++ b/test/pleroma/web/plugs/admin_secret_authentication_plug_test.exs
@@ -35,7 +35,7 @@ test "does nothing if a user is assigned", %{conn: conn} do
     end
 
     test "with `admin_token` query parameter", %{conn: conn} do
-      Pleroma.Config.put(:admin_token, "password123")
+      clear_config(:admin_token, "password123")
 
       conn =
         %{conn | params: %{"admin_token" => "wrong_password"}}
@@ -54,7 +54,7 @@ test "with `admin_token` query parameter", %{conn: conn} do
     end
 
     test "with `x-admin-token` HTTP header", %{conn: conn} do
-      Pleroma.Config.put(:admin_token, "☕️")
+      clear_config(:admin_token, "☕️")
 
       conn =
         conn
diff --git a/test/pleroma/web/plugs/ensure_public_or_authenticated_plug_test.exs b/test/pleroma/web/plugs/ensure_public_or_authenticated_plug_test.exs
index 33d0f64e9..75c3b5784 100644
--- a/test/pleroma/web/plugs/ensure_public_or_authenticated_plug_test.exs
+++ b/test/pleroma/web/plugs/ensure_public_or_authenticated_plug_test.exs
@@ -5,14 +5,13 @@
 defmodule Pleroma.Web.Plugs.EnsurePublicOrAuthenticatedPlugTest do
   use Pleroma.Web.ConnCase
 
-  alias Pleroma.Config
   alias Pleroma.User
   alias Pleroma.Web.Plugs.EnsurePublicOrAuthenticatedPlug
 
   setup do: clear_config([:instance, :public])
 
   test "it halts if not public and no user is assigned", %{conn: conn} do
-    Config.put([:instance, :public], false)
+    clear_config([:instance, :public], false)
 
     conn =
       conn
@@ -23,7 +22,7 @@ test "it halts if not public and no user is assigned", %{conn: conn} do
   end
 
   test "it continues if public", %{conn: conn} do
-    Config.put([:instance, :public], true)
+    clear_config([:instance, :public], true)
 
     ret_conn =
       conn
@@ -33,7 +32,7 @@ test "it continues if public", %{conn: conn} do
   end
 
   test "it continues if a user is assigned, even if not public", %{conn: conn} do
-    Config.put([:instance, :public], false)
+    clear_config([:instance, :public], false)
 
     conn =
       conn
diff --git a/test/pleroma/web/plugs/federating_plug_test.exs b/test/pleroma/web/plugs/federating_plug_test.exs
index 9c3426862..01ecd2a1e 100644
--- a/test/pleroma/web/plugs/federating_plug_test.exs
+++ b/test/pleroma/web/plugs/federating_plug_test.exs
@@ -8,7 +8,7 @@ defmodule Pleroma.Web.Plugs.FederatingPlugTest do
   setup do: clear_config([:instance, :federating])
 
   test "returns and halt the conn when federating is disabled" do
-    Pleroma.Config.put([:instance, :federating], false)
+    clear_config([:instance, :federating], false)
 
     conn =
       build_conn()
@@ -19,7 +19,7 @@ test "returns and halt the conn when federating is disabled" do
   end
 
   test "does nothing when federating is enabled" do
-    Pleroma.Config.put([:instance, :federating], true)
+    clear_config([:instance, :federating], true)
 
     conn =
       build_conn()
diff --git a/test/pleroma/web/plugs/http_signature_plug_test.exs b/test/pleroma/web/plugs/http_signature_plug_test.exs
index bb3257dc9..56ef6b06f 100644
--- a/test/pleroma/web/plugs/http_signature_plug_test.exs
+++ b/test/pleroma/web/plugs/http_signature_plug_test.exs
@@ -32,11 +32,7 @@ test "it call HTTPSignatures to check validity if the actor sighed it" do
 
   describe "requires a signature when `authorized_fetch_mode` is enabled" do
     setup do
-      Pleroma.Config.put([:activitypub, :authorized_fetch_mode], true)
-
-      on_exit(fn ->
-        Pleroma.Config.put([:activitypub, :authorized_fetch_mode], false)
-      end)
+      clear_config([:activitypub, :authorized_fetch_mode], true)
 
       params = %{"actor" => "http://mastodon.example.org/users/admin"}
       conn = build_conn(:get, "/doesntmattter", params) |> put_format("activity+json")
diff --git a/test/pleroma/web/plugs/o_auth_scopes_plug_test.exs b/test/pleroma/web/plugs/o_auth_scopes_plug_test.exs
index 1703830ce..7241b0afd 100644
--- a/test/pleroma/web/plugs/o_auth_scopes_plug_test.exs
+++ b/test/pleroma/web/plugs/o_auth_scopes_plug_test.exs
@@ -181,7 +181,7 @@ test "with :admin option, prefixes all requested scopes with `admin:` " <>
            "and [optionally] keeps only prefixed scopes, " <>
            "depending on `[:auth, :enforce_oauth_admin_scope_usage]` setting",
          %{f: f} do
-      Pleroma.Config.put([:auth, :enforce_oauth_admin_scope_usage], false)
+      clear_config([:auth, :enforce_oauth_admin_scope_usage], false)
 
       assert f.(["read"], %{admin: true}) == ["admin:read", "read"]
 
@@ -192,7 +192,7 @@ test "with :admin option, prefixes all requested scopes with `admin:` " <>
                "write"
              ]
 
-      Pleroma.Config.put([:auth, :enforce_oauth_admin_scope_usage], true)
+      clear_config([:auth, :enforce_oauth_admin_scope_usage], true)
 
       assert f.(["read:accounts"], %{admin: true}) == ["admin:read:accounts"]
 
diff --git a/test/pleroma/web/plugs/rate_limiter_test.exs b/test/pleroma/web/plugs/rate_limiter_test.exs
index 3cac10b0e..d007e3f26 100644
--- a/test/pleroma/web/plugs/rate_limiter_test.exs
+++ b/test/pleroma/web/plugs/rate_limiter_test.exs
@@ -6,7 +6,6 @@ defmodule Pleroma.Web.Plugs.RateLimiterTest do
   use Pleroma.Web.ConnCase
 
   alias Phoenix.ConnTest
-  alias Pleroma.Config
   alias Pleroma.Web.Plugs.RateLimiter
   alias Plug.Conn
 
@@ -22,8 +21,8 @@ defmodule Pleroma.Web.Plugs.RateLimiterTest do
     setup do: clear_config([Pleroma.Web.Plugs.RemoteIp, :enabled])
 
     test "config is required for plug to work" do
-      Config.put([:rate_limit, @limiter_name], {1, 1})
-      Config.put([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
+      clear_config([:rate_limit, @limiter_name], {1, 1})
+      clear_config([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
 
       assert %{limits: {1, 1}, name: :test_init, opts: [name: :test_init]} ==
                [name: @limiter_name]
@@ -54,8 +53,8 @@ test "it restricts based on config values" do
     scale = 80
     limit = 5
 
-    Config.put([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
-    Config.put([:rate_limit, limiter_name], {scale, limit})
+    clear_config([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
+    clear_config([:rate_limit, limiter_name], {scale, limit})
 
     plug_opts = RateLimiter.init(name: limiter_name)
     conn = build_conn(:get, "/")
@@ -86,8 +85,8 @@ test "it restricts based on config values" do
     test "`bucket_name` option overrides default bucket name" do
       limiter_name = :test_bucket_name
 
-      Config.put([:rate_limit, limiter_name], {1000, 5})
-      Config.put([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
+      clear_config([:rate_limit, limiter_name], {1000, 5})
+      clear_config([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
 
       base_bucket_name = "#{limiter_name}:group1"
       plug_opts = RateLimiter.init(name: limiter_name, bucket_name: base_bucket_name)
@@ -101,8 +100,8 @@ test "`bucket_name` option overrides default bucket name" do
 
     test "`params` option allows different queries to be tracked independently" do
       limiter_name = :test_params
-      Config.put([:rate_limit, limiter_name], {1000, 5})
-      Config.put([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
+      clear_config([:rate_limit, limiter_name], {1000, 5})
+      clear_config([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
 
       plug_opts = RateLimiter.init(name: limiter_name, params: ["id"])
 
@@ -117,8 +116,8 @@ test "`params` option allows different queries to be tracked independently" do
 
     test "it supports combination of options modifying bucket name" do
       limiter_name = :test_options_combo
-      Config.put([:rate_limit, limiter_name], {1000, 5})
-      Config.put([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
+      clear_config([:rate_limit, limiter_name], {1000, 5})
+      clear_config([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
 
       base_bucket_name = "#{limiter_name}:group1"
 
@@ -140,8 +139,8 @@ test "it supports combination of options modifying bucket name" do
   describe "unauthenticated users" do
     test "are restricted based on remote IP" do
       limiter_name = :test_unauthenticated
-      Config.put([:rate_limit, limiter_name], [{1000, 5}, {1, 10}])
-      Config.put([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
+      clear_config([:rate_limit, limiter_name], [{1000, 5}, {1, 10}])
+      clear_config([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
 
       plug_opts = RateLimiter.init(name: limiter_name)
 
@@ -180,8 +179,8 @@ test "can have limits separate from unauthenticated connections" do
 
       scale = 50
       limit = 5
-      Config.put([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
-      Config.put([:rate_limit, limiter_name], [{1000, 1}, {scale, limit}])
+      clear_config([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
+      clear_config([:rate_limit, limiter_name], [{1000, 1}, {scale, limit}])
 
       plug_opts = RateLimiter.init(name: limiter_name)
 
@@ -202,8 +201,8 @@ test "can have limits separate from unauthenticated connections" do
 
     test "different users are counted independently" do
       limiter_name = :test_authenticated2
-      Config.put([:rate_limit, limiter_name], [{1, 10}, {1000, 5}])
-      Config.put([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
+      clear_config([:rate_limit, limiter_name], [{1, 10}, {1000, 5}])
+      clear_config([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
 
       plug_opts = RateLimiter.init(name: limiter_name)
 
@@ -232,8 +231,8 @@ test "different users are counted independently" do
 
   test "doesn't crash due to a race condition when multiple requests are made at the same time and the bucket is not yet initialized" do
     limiter_name = :test_race_condition
-    Pleroma.Config.put([:rate_limit, limiter_name], {1000, 5})
-    Pleroma.Config.put([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
+    clear_config([:rate_limit, limiter_name], {1000, 5})
+    clear_config([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
 
     opts = RateLimiter.init(name: limiter_name)
 
diff --git a/test/pleroma/web/plugs/remote_ip_test.exs b/test/pleroma/web/plugs/remote_ip_test.exs
index b7fc24db0..4d98de2bd 100644
--- a/test/pleroma/web/plugs/remote_ip_test.exs
+++ b/test/pleroma/web/plugs/remote_ip_test.exs
@@ -26,7 +26,7 @@ defmodule Pleroma.Web.Plugs.RemoteIpTest do
           )
 
   test "disabled" do
-    Pleroma.Config.put(RemoteIp, enabled: false)
+    clear_config(RemoteIp, enabled: false)
 
     %{remote_ip: remote_ip} = conn(:get, "/")
 
@@ -48,7 +48,7 @@ test "enabled" do
   end
 
   test "custom headers" do
-    Pleroma.Config.put(RemoteIp, enabled: true, headers: ["cf-connecting-ip"])
+    clear_config(RemoteIp, enabled: true, headers: ["cf-connecting-ip"])
 
     conn =
       conn(:get, "/")
@@ -73,7 +73,7 @@ test "custom proxies" do
 
     refute conn.remote_ip == {1, 1, 1, 1}
 
-    Pleroma.Config.put([RemoteIp, :proxies], ["173.245.48.0/20"])
+    clear_config([RemoteIp, :proxies], ["173.245.48.0/20"])
 
     conn =
       conn(:get, "/")
@@ -84,7 +84,7 @@ test "custom proxies" do
   end
 
   test "proxies set without CIDR format" do
-    Pleroma.Config.put([RemoteIp, :proxies], ["173.245.48.1"])
+    clear_config([RemoteIp, :proxies], ["173.245.48.1"])
 
     conn =
       conn(:get, "/")
@@ -95,8 +95,8 @@ test "proxies set without CIDR format" do
   end
 
   test "proxies set `nonsensical` CIDR" do
-    Pleroma.Config.put([RemoteIp, :reserved], ["127.0.0.0/8"])
-    Pleroma.Config.put([RemoteIp, :proxies], ["10.0.0.3/24"])
+    clear_config([RemoteIp, :reserved], ["127.0.0.0/8"])
+    clear_config([RemoteIp, :proxies], ["10.0.0.3/24"])
 
     conn =
       conn(:get, "/")
diff --git a/test/pleroma/web/plugs/user_enabled_plug_test.exs b/test/pleroma/web/plugs/user_enabled_plug_test.exs
index 71822305b..999c6c49c 100644
--- a/test/pleroma/web/plugs/user_enabled_plug_test.exs
+++ b/test/pleroma/web/plugs/user_enabled_plug_test.exs
@@ -20,7 +20,7 @@ test "doesn't do anything if the user isn't set", %{conn: conn} do
 
   test "with a user that's not confirmed and a config requiring confirmation, it removes that user",
        %{conn: conn} do
-    Pleroma.Config.put([:instance, :account_activation_required], true)
+    clear_config([:instance, :account_activation_required], true)
 
     user = insert(:user, is_confirmed: false)
 
diff --git a/test/pleroma/web/rich_media/helpers_test.exs b/test/pleroma/web/rich_media/helpers_test.exs
index efa4c91e4..689854fb6 100644
--- a/test/pleroma/web/rich_media/helpers_test.exs
+++ b/test/pleroma/web/rich_media/helpers_test.exs
@@ -5,7 +5,6 @@
 defmodule Pleroma.Web.RichMedia.HelpersTest do
   use Pleroma.DataCase
 
-  alias Pleroma.Config
   alias Pleroma.Web.CommonAPI
   alias Pleroma.Web.RichMedia.Helpers
 
@@ -29,7 +28,7 @@ test "refuses to crawl incomplete URLs" do
         content_type: "text/markdown"
       })
 
-    Config.put([:rich_media, :enabled], true)
+    clear_config([:rich_media, :enabled], true)
 
     assert %{} == Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
   end
@@ -43,7 +42,7 @@ test "refuses to crawl malformed URLs" do
         content_type: "text/markdown"
       })
 
-    Config.put([:rich_media, :enabled], true)
+    clear_config([:rich_media, :enabled], true)
 
     assert %{} == Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
   end
@@ -57,7 +56,7 @@ test "crawls valid, complete URLs" do
         content_type: "text/markdown"
       })
 
-    Config.put([:rich_media, :enabled], true)
+    clear_config([:rich_media, :enabled], true)
 
     assert %{page_url: "https://example.com/ogp", rich_media: _} =
              Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
@@ -74,7 +73,7 @@ test "refuses to crawl URLs of private network from posts" do
     {:ok, activity4} = CommonAPI.post(user, %{status: "https://192.168.10.40/notice/9kCP7V"})
     {:ok, activity5} = CommonAPI.post(user, %{status: "https://pleroma.local/notice/9kCP7V"})
 
-    Config.put([:rich_media, :enabled], true)
+    clear_config([:rich_media, :enabled], true)
 
     assert %{} = Helpers.fetch_data_for_activity(activity)
     assert %{} = Helpers.fetch_data_for_activity(activity2)
diff --git a/test/pleroma/web/streamer_test.exs b/test/pleroma/web/streamer_test.exs
index 0402e59ea..cef2b7629 100644
--- a/test/pleroma/web/streamer_test.exs
+++ b/test/pleroma/web/streamer_test.exs
@@ -510,7 +510,7 @@ test "handles deletions" do
 
   describe "thread_containment/2" do
     test "it filters to user if recipients invalid and thread containment is enabled" do
-      Pleroma.Config.put([:instance, :skip_thread_containment], false)
+      clear_config([:instance, :skip_thread_containment], false)
       author = insert(:user)
       %{user: user, token: oauth_token} = oauth_access(["read"])
       User.follow(user, author, :follow_accept)
@@ -531,7 +531,7 @@ test "it filters to user if recipients invalid and thread containment is enabled
     end
 
     test "it sends message if recipients invalid and thread containment is disabled" do
-      Pleroma.Config.put([:instance, :skip_thread_containment], true)
+      clear_config([:instance, :skip_thread_containment], true)
       author = insert(:user)
       %{user: user, token: oauth_token} = oauth_access(["read"])
       User.follow(user, author, :follow_accept)
@@ -553,7 +553,7 @@ test "it sends message if recipients invalid and thread containment is disabled"
     end
 
     test "it sends message if recipients invalid and thread containment is enabled but user's thread containment is disabled" do
-      Pleroma.Config.put([:instance, :skip_thread_containment], false)
+      clear_config([:instance, :skip_thread_containment], false)
       author = insert(:user)
       user = insert(:user, skip_thread_containment: true)
       %{token: oauth_token} = oauth_access(["read"], user: user)
diff --git a/test/pleroma/web/twitter_api/remote_follow_controller_test.exs b/test/pleroma/web/twitter_api/remote_follow_controller_test.exs
index f9d9e0525..f389c272b 100644
--- a/test/pleroma/web/twitter_api/remote_follow_controller_test.exs
+++ b/test/pleroma/web/twitter_api/remote_follow_controller_test.exs
@@ -154,7 +154,7 @@ test "returns error when user is deactivated", %{conn: conn} do
     end
 
     test "returns error when user is blocked", %{conn: conn} do
-      Pleroma.Config.put([:user, :deny_follow_blocked], true)
+      clear_config([:user, :deny_follow_blocked], true)
       user = insert(:user)
       user2 = insert(:user)
 
@@ -365,7 +365,7 @@ test "returns error when password invalid", %{conn: conn} do
     end
 
     test "returns error when user is blocked", %{conn: conn} do
-      Pleroma.Config.put([:user, :deny_follow_blocked], true)
+      clear_config([:user, :deny_follow_blocked], true)
       user = insert(:user)
       user2 = insert(:user)
       {:ok, _user_block} = Pleroma.User.block(user2, user)
diff --git a/test/pleroma/web/twitter_api/twitter_api_test.exs b/test/pleroma/web/twitter_api/twitter_api_test.exs
index 129ffdf4d..85629be04 100644
--- a/test/pleroma/web/twitter_api/twitter_api_test.exs
+++ b/test/pleroma/web/twitter_api/twitter_api_test.exs
@@ -46,12 +46,7 @@ test "it registers a new user with empty string in bio and returns the user" do
   end
 
   test "it sends confirmation email if :account_activation_required is specified in instance config" do
-    setting = Pleroma.Config.get([:instance, :account_activation_required])
-
-    unless setting do
-      Pleroma.Config.put([:instance, :account_activation_required], true)
-      on_exit(fn -> Pleroma.Config.put([:instance, :account_activation_required], setting) end)
-    end
+    clear_config([:instance, :account_activation_required], true)
 
     data = %{
       :username => "lain",
diff --git a/test/pleroma/web/twitter_api/util_controller_test.exs b/test/pleroma/web/twitter_api/util_controller_test.exs
index 283c61678..bdbc478c3 100644
--- a/test/pleroma/web/twitter_api/util_controller_test.exs
+++ b/test/pleroma/web/twitter_api/util_controller_test.exs
@@ -6,7 +6,6 @@ defmodule Pleroma.Web.TwitterAPI.UtilControllerTest do
   use Pleroma.Web.ConnCase
   use Oban.Testing, repo: Pleroma.Repo
 
-  alias Pleroma.Config
   alias Pleroma.Tests.ObanHelpers
   alias Pleroma.User
 
@@ -66,7 +65,7 @@ test "returns everything in :pleroma, :frontend_configurations", %{conn: conn} d
         }
       ]
 
-      Config.put(:frontend_configurations, config)
+      clear_config(:frontend_configurations, config)
 
       response =
         conn
@@ -99,7 +98,7 @@ test "returns json with custom emoji with tags", %{conn: conn} do
     setup do: clear_config([:instance, :healthcheck])
 
     test "returns 503 when healthcheck disabled", %{conn: conn} do
-      Config.put([:instance, :healthcheck], false)
+      clear_config([:instance, :healthcheck], false)
 
       response =
         conn
@@ -110,7 +109,7 @@ test "returns 503 when healthcheck disabled", %{conn: conn} do
     end
 
     test "returns 200 when healthcheck enabled and all ok", %{conn: conn} do
-      Config.put([:instance, :healthcheck], true)
+      clear_config([:instance, :healthcheck], true)
 
       with_mock Pleroma.Healthcheck,
         system_info: fn -> %Pleroma.Healthcheck{healthy: true} end do
@@ -130,7 +129,7 @@ test "returns 200 when healthcheck enabled and all ok", %{conn: conn} do
     end
 
     test "returns 503 when healthcheck enabled and health is false", %{conn: conn} do
-      Config.put([:instance, :healthcheck], true)
+      clear_config([:instance, :healthcheck], true)
 
       with_mock Pleroma.Healthcheck,
         system_info: fn -> %Pleroma.Healthcheck{healthy: false} end do
diff --git a/test/pleroma/workers/cron/digest_emails_worker_test.exs b/test/pleroma/workers/cron/digest_emails_worker_test.exs
index 79614212a..b3ca6235b 100644
--- a/test/pleroma/workers/cron/digest_emails_worker_test.exs
+++ b/test/pleroma/workers/cron/digest_emails_worker_test.exs
@@ -14,7 +14,7 @@ defmodule Pleroma.Workers.Cron.DigestEmailsWorkerTest do
   setup do: clear_config([:email_notifications, :digest])
 
   setup do
-    Pleroma.Config.put([:email_notifications, :digest], %{
+    clear_config([:email_notifications, :digest], %{
       active: true,
       inactivity_threshold: 7,
       interval: 7
diff --git a/test/pleroma/workers/scheduled_activity_worker_test.exs b/test/pleroma/workers/scheduled_activity_worker_test.exs
index 6786e639d..6e11642d5 100644
--- a/test/pleroma/workers/scheduled_activity_worker_test.exs
+++ b/test/pleroma/workers/scheduled_activity_worker_test.exs
@@ -14,7 +14,7 @@ defmodule Pleroma.Workers.ScheduledActivityWorkerTest do
   setup do: clear_config([ScheduledActivity, :enabled])
 
   test "creates a status from the scheduled activity" do
-    Pleroma.Config.put([ScheduledActivity, :enabled], true)
+    clear_config([ScheduledActivity, :enabled], true)
     user = insert(:user)
 
     naive_datetime =
@@ -40,7 +40,7 @@ test "creates a status from the scheduled activity" do
   end
 
   test "adds log message if ScheduledActivity isn't find" do
-    Pleroma.Config.put([ScheduledActivity, :enabled], true)
+    clear_config([ScheduledActivity, :enabled], true)
 
     assert capture_log([level: :error], fn ->
              ScheduledActivityWorker.perform(%Oban.Job{args: %{"activity_id" => 42}})