diff --git a/CHANGELOG.md b/CHANGELOG.md
index 259420a6c608..cd123c938e18 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 ## Unreleased
 
+### Note
+- デッキUIの新着ノートをサウンドで通知する機能の追加（v2024.5.0）に伴い、以前から動作しなくなっていたクライアント設定内の「アンテナ受信」「チャンネル通知」サウンドを削除しました。
+
 ### General
 - Feat: 通報を受けた際、または解決した際に、予め登録した宛先に通知を飛ばせるように(mail or webhook) #13705
 - Fix: 配信停止したインスタンス一覧が見れなくなる問題を修正
diff --git a/locales/index.d.ts b/locales/index.d.ts
index ebd980ed8555..5089f7802e82 100644
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@@ -7515,14 +7515,6 @@ export interface Locale extends ILocale {
          * 通知
          */
         "notification": string;
-        /**
-         * アンテナ受信
-         */
-        "antenna": string;
-        /**
-         * チャンネル通知
-         */
-        "channel": string;
         /**
          * リアクション選択時
          */
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 0d89d33abeec..a03d7921401d 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -1971,8 +1971,6 @@ _sfx:
   note: "ノート"
   noteMy: "ノート(自分)"
   notification: "通知"
-  antenna: "アンテナ受信"
-  channel: "チャンネル通知"
   reaction: "リアクション選択時"
 
 _soundSettings:
diff --git a/packages/frontend/src/pages/settings/preferences-backups.vue b/packages/frontend/src/pages/settings/preferences-backups.vue
index b6f1043154d3..dace2cd84758 100644
--- a/packages/frontend/src/pages/settings/preferences-backups.vue
+++ b/packages/frontend/src/pages/settings/preferences-backups.vue
@@ -113,8 +113,6 @@ const defaultStoreSaveKeys: (keyof typeof defaultStore['state'])[] = [
 	'sound_note',
 	'sound_noteMy',
 	'sound_notification',
-	'sound_antenna',
-	'sound_channel',
 ];
 const coldDeviceStorageSaveKeys: (keyof typeof ColdDeviceStorage.default)[] = [
 	'lightTheme',
diff --git a/packages/frontend/src/pages/settings/sounds.vue b/packages/frontend/src/pages/settings/sounds.vue
index 090f0cf14c41..0f1b725fae39 100644
--- a/packages/frontend/src/pages/settings/sounds.vue
+++ b/packages/frontend/src/pages/settings/sounds.vue
@@ -54,8 +54,6 @@ const sounds = ref<Record<OperationType, Ref<SoundStore>>>({
 	note: defaultStore.reactiveState.sound_note,
 	noteMy: defaultStore.reactiveState.sound_noteMy,
 	notification: defaultStore.reactiveState.sound_notification,
-	antenna: defaultStore.reactiveState.sound_antenna,
-	channel: defaultStore.reactiveState.sound_channel,
 	reaction: defaultStore.reactiveState.sound_reaction,
 });
 
diff --git a/packages/frontend/src/scripts/sound.ts b/packages/frontend/src/scripts/sound.ts
index fcd59510df18..bba855cd6437 100644
--- a/packages/frontend/src/scripts/sound.ts
+++ b/packages/frontend/src/scripts/sound.ts
@@ -74,8 +74,6 @@ export const soundsTypes = [
 export const operationTypes = [
 	'noteMy',
 	'note',
-	'antenna',
-	'channel',
 	'notification',
 	'reaction',
 ] as const;
diff --git a/packages/frontend/src/store.ts b/packages/frontend/src/store.ts
index e8eb5a1ed7db..9cb274206955 100644
--- a/packages/frontend/src/store.ts
+++ b/packages/frontend/src/store.ts
@@ -479,14 +479,6 @@ export const defaultStore = markRaw(new Storage('base', {
 		where: 'device',
 		default: { type: 'syuilo/n-ea', volume: 1 } as SoundStore,
 	},
-	sound_antenna: {
-		where: 'device',
-		default: { type: 'syuilo/triple', volume: 1 } as SoundStore,
-	},
-	sound_channel: {
-		where: 'device',
-		default: { type: 'syuilo/square-pico', volume: 1 } as SoundStore,
-	},
 	sound_reaction: {
 		where: 'device',
 		default: { type: 'syuilo/bubble2', volume: 1 } as SoundStore,