diff --git a/packages/frontend/src/pages/settings/general.vue b/packages/frontend/src/pages/settings/general.vue
index 30443fded6..0d1f572816 100644
--- a/packages/frontend/src/pages/settings/general.vue
+++ b/packages/frontend/src/pages/settings/general.vue
@@ -150,6 +150,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<MkSwitch v-model="imageNewTab">{{ i18n.ts.openImageInNewTab }}</MkSwitch>
 				<MkSwitch v-model="enableInfiniteScroll">{{ i18n.ts.enableInfiniteScroll }}</MkSwitch>
 				<MkSwitch v-model="keepScreenOn">{{ i18n.ts.keepScreenOn }}</MkSwitch>
+				<MkSwitch v-model="disableWebSocket">{{ i18n.ts.disableWebSocket ?? 'タイムラインのリアルタイム更新を無効にする' }}</MkSwitch>
 			</div>
 			<MkSelect v-model="serverDisconnectedBehavior">
 				<template #label>{{ i18n.ts.whenServerDisconnected }}</template>
@@ -251,6 +252,7 @@ const notificationPosition = computed(defaultStore.makeGetterSetter('notificatio
 const notificationStackAxis = computed(defaultStore.makeGetterSetter('notificationStackAxis'));
 const keepScreenOn = computed(defaultStore.makeGetterSetter('keepScreenOn'));
 const defaultWithReplies = computed(defaultStore.makeGetterSetter('defaultWithReplies'));
+const disableWebSocket = computed(defaultStore.makeGetterSetter('disableWebSocket'));
 
 watch(lang, () => {
 	miLocalStorage.setItem('lang', lang.value as string);
@@ -287,6 +289,7 @@ watch([
 	reactionsDisplaySize,
 	highlightSensitiveMedia,
 	keepScreenOn,
+	disableWebSocket,
 ], async () => {
 	await reloadAsk();
 });
diff --git a/packages/frontend/src/store.ts b/packages/frontend/src/store.ts
index 92d01e4caf..b3c6637a19 100644
--- a/packages/frontend/src/store.ts
+++ b/packages/frontend/src/store.ts
@@ -365,6 +365,10 @@ export const defaultStore = markRaw(new Storage('base', {
 		where: 'account',
 		default: false,
 	},
+	disableWebSocket: {
+		where: 'device',
+		default: false,
+	},
 }));
 
 // TODO: 他のタブと永続化されたstateを同期