diff --git a/src/const.json b/src/const.json
index 924b4dd8b..0ee6ac206 100644
--- a/src/const.json
+++ b/src/const.json
@@ -1,4 +1,5 @@
 {
+	"copyright": "Copyright (c) 2014-2017 syuilo",
 	"themeColor": "#ff4e45",
 	"themeColorForeground": "#fff"
 }
diff --git a/src/web/app/common/tags/copyright.tag b/src/web/app/common/tags/copyright.tag
deleted file mode 100644
index 9c3f1f648..000000000
--- a/src/web/app/common/tags/copyright.tag
+++ /dev/null
@@ -1,7 +0,0 @@
-<mk-copyright>
-	<span>(c) syuilo 2014-2017</span>
-	<style>
-		:scope
-			display block
-	</style>
-</mk-copyright>
diff --git a/src/web/app/common/tags/index.ts b/src/web/app/common/tags/index.ts
index 2f4e1181d..df99d93cc 100644
--- a/src/web/app/common/tags/index.ts
+++ b/src/web/app/common/tags/index.ts
@@ -12,7 +12,6 @@ require('./signin.tag');
 require('./signup.tag');
 require('./forkit.tag');
 require('./introduction.tag');
-require('./copyright.tag');
 require('./signin-history.tag');
 require('./twitter-setting.tag');
 require('./authorized-apps.tag');
diff --git a/src/web/app/desktop/tags/pages/entrance.tag b/src/web/app/desktop/tags/pages/entrance.tag
index b07b22c80..974f49a4f 100644
--- a/src/web/app/desktop/tags/pages/entrance.tag
+++ b/src/web/app/desktop/tags/pages/entrance.tag
@@ -18,7 +18,7 @@
 	<footer>
 		<div>
 			<mk-nav-links/>
-			<mk-copyright/>
+			<p class="c">{ _COPYRIGHT_ }</p>
 		</div>
 	</footer>
 	<!-- ↓ https://github.com/riot/riot/issues/2134 (将来的)-->
@@ -101,7 +101,7 @@
 					text-align center
 					border-top solid 1px #fff
 
-					> mk-copyright
+					> .c
 						margin 0
 						line-height 64px
 						font-size 10px
diff --git a/src/web/app/mobile/tags/page/entrance.tag b/src/web/app/mobile/tags/page/entrance.tag
index 380fb780b..191874caf 100644
--- a/src/web/app/mobile/tags/page/entrance.tag
+++ b/src/web/app/mobile/tags/page/entrance.tag
@@ -8,7 +8,7 @@
 		</div>
 	</main>
 	<footer>
-		<mk-copyright/>
+		<p class="c">{ _COPYRIGHT_ }</p>
 	</footer>
 	<style>
 		:scope
@@ -34,7 +34,7 @@
 						margin 16px auto 0 auto
 
 			> footer
-				> mk-copyright
+				> .c
 					margin 0
 					text-align center
 					line-height 64px
diff --git a/src/web/docs/layout.pug b/src/web/docs/layout.pug
index 22d89375a..ee8018ec6 100644
--- a/src/web/docs/layout.pug
+++ b/src/web/docs/layout.pug
@@ -35,3 +35,4 @@ html(lang= lang)
 				p
 					= common.i18n[lang]['docs']['edit-this-page-on-github']
 					a(href=src target="_blank")= common.i18n[lang]['docs']['edit-this-page-on-github-link']
+				small= common.copyright
diff --git a/src/web/docs/style.styl b/src/web/docs/style.styl
index 285b92bdb..32a2264f1 100644
--- a/src/web/docs/style.styl
+++ b/src/web/docs/style.styl
@@ -41,7 +41,7 @@ main
 		margin 32px 0 0 0
 		border-top solid 2px #eee
 
-		.copyright
+		> small
 			margin 16px 0 0 0
 			color #aaa
 
diff --git a/src/web/docs/vars.ts b/src/web/docs/vars.ts
index 2c744be61..da590d7bd 100644
--- a/src/web/docs/vars.ts
+++ b/src/web/docs/vars.ts
@@ -3,6 +3,7 @@ import * as glob from 'glob';
 import * as yaml from 'js-yaml';
 import langs from '../../../locales';
 import config from '../../conf';
+const constants = require('../../const.json');
 
 export default function(): { [key: string]: any } {
 	const vars = {} as { [key: string]: any };
@@ -38,5 +39,7 @@ export default function(): { [key: string]: any } {
 
 	vars['i18n'] = langs;
 
+	vars['copyright'] = constants.copyright;
+
 	return vars;
 }
diff --git a/webpack/plugins/consts.ts b/webpack/plugins/consts.ts
index 6e18fa296..16a569162 100644
--- a/webpack/plugins/consts.ts
+++ b/webpack/plugins/consts.ts
@@ -13,6 +13,7 @@ export default lang => {
 		_RECAPTCHA_SITEKEY_: config.recaptcha.site_key,
 		_SW_PUBLICKEY_: config.sw ? config.sw.public_key : null,
 		_THEME_COLOR_: constants.themeColor,
+		_COPYRIGHT_: constants.copyright,
 		_VERSION_: version,
 		_STATUS_URL_: config.status_url,
 		_STATS_URL_: config.stats_url,