diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index b139b38297..141aefd5af 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -19,9 +19,6 @@ common:
     drive: "ドライブ"
     drive-desc: "以前投稿したことのある画像をまた投稿したくなったことはありませんか？もしくは、アップロードしたファイルをフォルダ分けして整理したくなったことはありませんか？Misskeyの根幹に組み込まれたドライブ機能によってそれらが解決します。ファイルの共有も簡単です。"
     outro: "他にもMisskeyにしかない機能はまだまだあるので、ぜひあなた自身の目で確かめてください。Misskeyは分散型SNSなので、このインスタンスが気に入らなければ他のインスタンスを試すこともできます。それでは、GLHF!"
-  adblock:
-    detected: "広告ブロッカーを無効にしてください"
-    warning: "<strong>Misskeyは広告を掲載していません</strong>が、広告をブロックする機能が有効だと一部の機能が利用できなかったり、不具合が発生する場合があります。"
   application-authorization: "アプリの連携"
   close: "閉じる"
   do-not-copy-paste: "ここにコードを入力したり張り付けたりしないでください。アカウントが不正利用される可能性があります。"
diff --git a/package.json b/package.json
index 963a6ee9a7..c8e65b8b4c 100644
--- a/package.json
+++ b/package.json
@@ -130,7 +130,6 @@
 		"feed": "3.0.0",
 		"file-type": "12.2.0",
 		"fluent-ffmpeg": "2.1.2",
-		"fuckadblock": "3.2.1",
 		"gulp": "4.0.2",
 		"gulp-cssnano": "2.1.3",
 		"gulp-imagemin": "6.1.0",
diff --git a/src/client/app/common/scripts/fuck-ad-block.ts b/src/client/app/common/scripts/fuck-ad-block.ts
deleted file mode 100644
index ba7e5a9f87..0000000000
--- a/src/client/app/common/scripts/fuck-ad-block.ts
+++ /dev/null
@@ -1,18 +0,0 @@
-declare const fuckAdBlock: any;
-
-export default ($root: any) => {
-	require('fuckadblock');
-
-	function adBlockDetected() {
-		$root.dialog({
-			title: $root.$t('@.adblock.detected'),
-			text: $root.$t('@.adblock.warning')
-		});
-	}
-
-	if (fuckAdBlock === undefined) {
-		adBlockDetected();
-	} else {
-		fuckAdBlock.onDetected(adBlockDetected);
-	}
-};
diff --git a/src/client/app/common/views/components/user-list.vue b/src/client/app/common/views/components/user-list.vue
index 69cb65b445..9cf6971338 100644
--- a/src/client/app/common/views/components/user-list.vue
+++ b/src/client/app/common/views/components/user-list.vue
@@ -18,7 +18,7 @@
 				<div class="description" v-if="user.description" :title="user.description">
 					<mfm :text="user.description" :is-note="false" :author="user" :i="$store.state.i" :custom-emojis="user.emojis" :plain="true" :nowrap="true"/>
 				</div>
-				<mk-follow-button class="follow-button" v-if="$store.getters.isSignedIn && user.id != $store.state.i.id" :user="user" mini/>
+				<mk-follow-button class="koudoku-button" v-if="$store.getters.isSignedIn && user.id != $store.state.i.id" :user="user" mini/>
 			</div>
 		</div>
 		<button class="more" :class="{ fetching: moreFetching }" v-if="more" @click="fetchMore()" :disabled="moreFetching">
@@ -134,7 +134,7 @@ export default Vue.extend({
 				font-size 14px
 				padding-right 40px
 
-			> .follow-button
+			> .koudoku-button
 				position absolute
 				top 8px
 				right 0
diff --git a/src/client/app/desktop/script.ts b/src/client/app/desktop/script.ts
index 15365e9d5d..914e162c9a 100644
--- a/src/client/app/desktop/script.ts
+++ b/src/client/app/desktop/script.ts
@@ -9,7 +9,6 @@ import VueRouter from 'vue-router';
 import './style.styl';
 
 import init from '../init';
-import fuckAdBlock from '../common/scripts/fuck-ad-block';
 import composeNotification from '../common/scripts/compose-notification';
 
 import MkHome from './views/home/home.vue';
@@ -203,13 +202,6 @@ init(async (launch, os) => {
 	// Launch the app
 	const [app, _] = launch(router);
 
-	if (os.store.getters.isSignedIn) {
-		/**
-		 * Fuck AD Block
-		 */
-		fuckAdBlock(app);
-	}
-
 	/**
 	 * Init Notification
 	 */
diff --git a/src/client/app/desktop/views/components/user-preview.vue b/src/client/app/desktop/views/components/user-preview.vue
index 9d9021c184..9328648ccb 100644
--- a/src/client/app/desktop/views/components/user-preview.vue
+++ b/src/client/app/desktop/views/components/user-preview.vue
@@ -21,7 +21,7 @@
 				<p>{{ $t('followers') }}</p><span>{{ u.followersCount }}</span>
 			</div>
 		</div>
-		<mk-follow-button class="follow-button" v-if="$store.getters.isSignedIn && u.id != $store.state.i.id" :user="u" mini/>
+		<mk-follow-button class="koudoku-button" v-if="$store.getters.isSignedIn && u.id != $store.state.i.id" :user="u" mini/>
 	</template>
 </div>
 </template>
@@ -156,7 +156,7 @@ export default Vue.extend({
 				font-size 1em
 				color var(--primary)
 
-	> .follow-button
+	> .koudoku-button
 		position absolute
 		top 8px
 		right 8px
diff --git a/yarn.lock b/yarn.lock
index d8716d7074..1b20c58129 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4554,11 +4554,6 @@ fsevents@^1.2.7:
     nan "^2.12.1"
     node-pre-gyp "^0.12.0"
 
-fuckadblock@3.2.1:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/fuckadblock/-/fuckadblock-3.2.1.tgz#17fa3237a5e15c86613406b911e608191a3e62e2"
-  integrity sha1-F/oyN6XhXIZhNAa5EeYIGRo+YuI=
-
 function-bind@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.1.tgz#a56899d3ea3c9bab874bb9773b7c5ede92f4895d"