diff --git a/packages/frontend/src/store.ts b/packages/frontend/src/store.ts
index 02865fa565..e8eb5a1ed7 100644
--- a/packages/frontend/src/store.ts
+++ b/packages/frontend/src/store.ts
@@ -454,10 +454,6 @@ export const defaultStore = markRaw(new Storage('base', {
 		where: 'device',
 		default: true,
 	},
-	disableWebsocket: {
-		where: 'device',
-		default: false,
-	},
 
 	sound_masterVolume: {
 		where: 'device',
diff --git a/packages/frontend/src/stream.ts b/packages/frontend/src/stream.ts
index 992dbb0837..e1986c8598 100644
--- a/packages/frontend/src/stream.ts
+++ b/packages/frontend/src/stream.ts
@@ -9,7 +9,6 @@ import { $i } from '@/account.js';
 import { wsOrigin } from '@/config.js';
 import { StreamMock } from '@/scripts/stream-mock.js';
 import { isEmbedPage } from '@/scripts/embed-page.js';
-import { defaultStore } from '@/store.js';
 
 // heart beat interval in ms
 const HEART_BEAT_INTERVAL = 1000 * 60;
@@ -21,7 +20,8 @@ let lastHeartbeatCall = 0;
 export function useStream(): Misskey.Stream {
 	if (stream) return stream;
 
-	if (isEmbedPage() || defaultStore.state.disableWebsocket === true) {
+	// TODO: No Websocketモードもここで判定
+	if (isEmbedPage()) {
 		stream = markRaw(new StreamMock(wsOrigin, null) as unknown as Misskey.Stream);
 		return stream;
 	} else {