diff --git a/packages/backend/src/core/ReversiService.ts b/packages/backend/src/core/ReversiService.ts
index 126b211066..adaf3fbaff 100644
--- a/packages/backend/src/core/ReversiService.ts
+++ b/packages/backend/src/core/ReversiService.ts
@@ -93,10 +93,6 @@ export class ReversiService implements OnApplicationShutdown, OnModuleInit {
 				childId: me.id,
 			});
 
-			if (other === 0) {
-				publishMainStream(me.id, 'reversiNoInvites');
-			}
-
 			return game;
 		} else {
 			const child = targetUser;
@@ -113,7 +109,6 @@ export class ReversiService implements OnApplicationShutdown, OnModuleInit {
 
 			const packed = await this.reversiMatchingsEntityService.pack(matching, child);
 			this.globalEventService.publishReversiStream(child.id, 'invited', { game: packed });
-			publishMainStream(child.id, 'reversiInvited', packed);
 
 			return null;
 		}
diff --git a/packages/backend/src/server/api/stream/channels/reversi.ts b/packages/backend/src/server/api/stream/channels/reversi.ts
index eea9ba17c8..cb4b1b8d5a 100644
--- a/packages/backend/src/server/api/stream/channels/reversi.ts
+++ b/packages/backend/src/server/api/stream/channels/reversi.ts
@@ -3,13 +3,8 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-import { Inject, Injectable } from '@nestjs/common';
-import * as CRC32 from 'crc-32';
-import type { MiReversiGame, MiUser, ReversiGamesRepository } from '@/models/_.js';
-import type { Packed } from '@/misc/json-schema.js';
-import { DI } from '@/di-symbols.js';
+import { Injectable } from '@nestjs/common';
 import { bindThis } from '@/decorators.js';
-import { ReversiService } from '@/core/ReversiService.js';
 import Channel, { type MiChannelService } from '../channel.js';
 
 class ReversiChannel extends Channel {
@@ -19,9 +14,6 @@ class ReversiChannel extends Channel {
 	public static kind = 'read:account';
 
 	constructor(
-		private reversiService: ReversiService,
-		private reversiGamesRepository: ReversiGamesRepository,
-
 		id: string,
 		connection: Channel['connection'],
 	) {
@@ -30,29 +22,13 @@ class ReversiChannel extends Channel {
 
 	@bindThis
 	public async init(params: any) {
-		this.subscriber.on(`reversiStream:${this.user.id}`, this.send);
-	}
-
-	@bindThis
-	public async async onMessage(type: string, body: any) {
-		switch (type) {
-			case 'ping': {
-				if (body.id == null) return;
-				const matching = await ReversiMatchings.findOne({
-					parentId: this.user!.id,
-					childId: body.id,
-				});
-				if (matching == null) return;
-				publishMainStream(matching.childId, 'reversiInvited', await ReversiMatchings.pack(matching, { id: matching.childId }));
-				break;
-			}
-		}
+		this.subscriber.on(`reversiStream:${this.user!.id}`, this.send);
 	}
 
 	@bindThis
 	public dispose() {
 		// Unsubscribe events
-		this.subscriber.off(`reversiStream:${this.user.id}`, this.send);
+		this.subscriber.off(`reversiStream:${this.user!.id}`, this.send);
 	}
 }
 
@@ -63,18 +39,12 @@ export class ReversiChannelService implements MiChannelService<true> {
 	public readonly kind = ReversiChannel.kind;
 
 	constructor(
-		@Inject(DI.reversiGamesRepository)
-		private reversiGamesRepository: ReversiGamesRepository,
-
-		private reversiService: ReversiService,
 	) {
 	}
 
 	@bindThis
 	public create(id: string, connection: Channel['connection']): ReversiChannel {
 		return new ReversiChannel(
-			this.reversiService,
-			this.reversiGamesRepository,
 			id,
 			connection,
 		);