diff --git a/packages/backend/src/boot/index.ts b/packages/backend/src/boot/index.ts
index 2006bf5b4..4a6b37b43 100644
--- a/packages/backend/src/boot/index.ts
+++ b/packages/backend/src/boot/index.ts
@@ -10,7 +10,7 @@ import { masterMain } from './master.js';
 import { workerMain } from './worker.js';
 
 const logger = new Logger('core');
-const clusterLogger = logger.createSubLogger('cluster', false);
+const clusterLogger = logger.createSubLogger('cluster');
 const ev = new Xev();
 
 /**
diff --git a/packages/backend/src/boot/master.ts b/packages/backend/src/boot/master.ts
index 15e6e7d97..bb5d86387 100644
--- a/packages/backend/src/boot/master.ts
+++ b/packages/backend/src/boot/master.ts
@@ -18,7 +18,7 @@ const _dirname = dirname(_filename);
 const meta = JSON.parse(fs.readFileSync(`${_dirname}/../../../../built/meta.json`, 'utf-8'));
 
 const logger = new Logger('core');
-const bootLogger = logger.createSubLogger('boot', false);
+const bootLogger = logger.createSubLogger('boot');
 
 function greet(): void {
 	if (envOption.logLevel !== LOG_LEVELS.quiet) {
diff --git a/packages/backend/src/config/redis.ts b/packages/backend/src/config/redis.ts
index 572f16611..1e18efba1 100644
--- a/packages/backend/src/config/redis.ts
+++ b/packages/backend/src/config/redis.ts
@@ -1,7 +1,7 @@
 import Logger from '@/services/logger.js';
 import config from './index.js';
 
-const logger = new Logger('config:redis', false);
+const logger = new Logger('config:redis');
 
 function getRedisFamily(family?: string | number): number {
 	const familyMap = {
diff --git a/packages/backend/src/db/postgre.ts b/packages/backend/src/db/postgre.ts
index 8dd520f2b..d598eaddc 100644
--- a/packages/backend/src/db/postgre.ts
+++ b/packages/backend/src/db/postgre.ts
@@ -72,7 +72,7 @@ import { getRedisOptions } from '@/config/redis.js';
 import { dbLogger } from './logger.js';
 import { redisClient } from './redis.js';
 
-const sqlLogger = dbLogger.createSubLogger('sql', false);
+const sqlLogger = dbLogger.createSubLogger('sql');
 
 class MyCustomLogger implements Logger {
 	private highlight(sql: string): string {
diff --git a/packages/backend/src/server/index.ts b/packages/backend/src/server/index.ts
index 66429e0db..7f8c79d07 100644
--- a/packages/backend/src/server/index.ts
+++ b/packages/backend/src/server/index.ts
@@ -29,7 +29,7 @@ import proxyServer from './proxy/index.js';
 import webServer from './web/index.js';
 import { initializeStreamingServer } from './api/streaming.js';
 
-export const serverLogger = new Logger('server', false);
+export const serverLogger = new Logger('server');
 
 // Init app
 const app = new Koa();
diff --git a/packages/backend/src/services/chart/core.ts b/packages/backend/src/services/chart/core.ts
index 7aaff7bae..d755f5008 100644
--- a/packages/backend/src/services/chart/core.ts
+++ b/packages/backend/src/services/chart/core.ts
@@ -12,7 +12,7 @@ import { getChartInsertLock } from '@/misc/app-lock.js';
 import { db } from '@/db/postgre.js';
 import Logger from '../logger.js';
 
-const logger = new Logger('chart', process.env.NODE_ENV !== 'test');
+const logger = new Logger('chart');
 
 const columnPrefix = '___' as const;
 const uniqueTempColumnPrefix = 'unique_temp___' as const;
diff --git a/packages/backend/src/services/logger.ts b/packages/backend/src/services/logger.ts
index f586d1515..6ec41f1bc 100644
--- a/packages/backend/src/services/logger.ts
+++ b/packages/backend/src/services/logger.ts
@@ -11,7 +11,6 @@ export type Level = LOG_LEVELS[keyof LOG_LEVELS];
 export default class Logger {
 	private domain: string;
 	private parentLogger: Logger | null = null;
-	private store: boolean;
 	/**
 	 * Messages below this level will be discarded.
 	 */
@@ -20,22 +19,19 @@ export default class Logger {
 	/**
 	 * Create a logger instance.
 	 * @param domain Logging domain
-	 * @param store Whether to store messages
 	 */
-	constructor(domain: string, store = true, minLevel?: Level) {
+	constructor(domain: string, minLevel?: Level) {
 		this.domain = domain;
-		this.store = store;
 		this.minLevel = minLevel ?? envOption.logLevel;
 	}
 
 	/**
 	 * Create a child logger instance.
 	 * @param domain Logging domain
-	 * @param store Whether to store messages
 	 * @returns A Logger instance whose parent logger is this instance.
 	 */
-	public createSubLogger(domain: string, store = true, minLevel?: Level): Logger {
-		const logger = new Logger(domain, store, minLevel);
+	public createSubLogger(domain: string, minLevel?: Level): Logger {
+		const logger = new Logger(domain, minLevel);
 		logger.parentLogger = this;
 		return logger;
 	}
@@ -47,16 +43,14 @@ export default class Logger {
 	 * @param message The message to be logged.
 	 * @param subDomains Names of sub-loggers to be added.
 	 */
-	private log(level: Level, message: string, subDomains: Domain[] = [], _store = true): void {
-		const store = _store && this.store;
-
+	private log(level: Level, message: string, subDomains: Domain[] = []): void {
 		// Check against the configured log level.
 		if (level < this.minLevel) return;
 
 		// If this logger has a parent logger, delegate the actual logging to it,
 		// so the parent domain(s) will be logged properly.
 		if (this.parentLogger) {
-			this.parentLogger.log(level, message, [this.domain].concat(subDomains), store);
+			this.parentLogger.log(level, message, [this.domain].concat(subDomains));
 			return;
 		}