diff --git a/CHANGELOG.md b/CHANGELOG.md
index 540726ae7d74ee4a528defba5d0e103d929c2133..f058786b5d238b10df4a157525b94e837f81d9d1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -53,6 +53,7 @@
 - ファイルアップロード時等にファイル名の拡張子を修正する関数(correctFilename)の挙動を改善
 - Webhookのペイロードにサーバーのurlが含まれるようになりました
 - Webhook設定でsecretを空に出来るように
+- 使われていないアンテナの自動停止を設定可能に
 - Fix: 一部のfeatured noteを照会できない問題を修正
 - Fix: muteがapiからのuser list timeline取得で機能しない問題を修正
 - Fix: ジョブキュー管理画面の認証を回避できる問題を修正
diff --git a/packages/backend/src/config.ts b/packages/backend/src/config.ts
index 0113090a08f2db1bcea60de5462b799143870e13..abbfdfed8fe55a72cb5ac85c7ff777f464532e26 100644
--- a/packages/backend/src/config.ts
+++ b/packages/backend/src/config.ts
@@ -88,6 +88,7 @@ type Source = {
 
 	perChannelMaxNoteCacheCount?: number;
 	perUserNotificationsMaxCount?: number;
+	deactivateAntennaThreshold?: number;
 };
 
 export type Config = {
@@ -161,6 +162,7 @@ export type Config = {
 	redisForJobQueue: RedisOptions & RedisOptionsSource;
 	perChannelMaxNoteCacheCount: number;
 	perUserNotificationsMaxCount: number;
+	deactivateAntennaThreshold: number;
 };
 
 const _filename = fileURLToPath(import.meta.url);
@@ -252,6 +254,7 @@ export function loadConfig(): Config {
 		clientManifestExists: clientManifestExists,
 		perChannelMaxNoteCacheCount: config.perChannelMaxNoteCacheCount ?? 1000,
 		perUserNotificationsMaxCount: config.perUserNotificationsMaxCount ?? 300,
+		deactivateAntennaThreshold: config.deactivateAntennaThreshold ?? (1000 * 60 * 60 * 24 * 7),
 	};
 }
 
diff --git a/packages/backend/src/queue/processors/CleanProcessorService.ts b/packages/backend/src/queue/processors/CleanProcessorService.ts
index 03a33e76acc3f6582a2604ce21350b37ec80e6e8..3b974c2405a0ecb7cd3a8687ca75016351b4fee2 100644
--- a/packages/backend/src/queue/processors/CleanProcessorService.ts
+++ b/packages/backend/src/queue/processors/CleanProcessorService.ts
@@ -10,6 +10,7 @@ import type { AntennasRepository, MutedNotesRepository, RoleAssignmentsRepositor
 import type Logger from '@/logger.js';
 import { bindThis } from '@/decorators.js';
 import { IdService } from '@/core/IdService.js';
+import type { Config } from '@/config.js';
 import { QueueLoggerService } from '../QueueLoggerService.js';
 import type * as Bull from 'bullmq';
 
@@ -18,6 +19,9 @@ export class CleanProcessorService {
 	private logger: Logger;
 
 	constructor(
+		@Inject(DI.config)
+		private config: Config,
+
 		@Inject(DI.userIpsRepository)
 		private userIpsRepository: UserIpsRepository,
 
@@ -54,12 +58,14 @@ export class CleanProcessorService {
 			reason: 'word',
 		});
 
-		// 7日以上使われてないアンテナを停止
-		this.antennasRepository.update({
-			lastUsedAt: LessThan(new Date(Date.now() - (1000 * 60 * 60 * 24 * 7))),
-		}, {
-			isActive: false,
-		});
+		// 使われてないアンテナを停止
+		if (this.config.deactivateAntennaThreshold > 0) {
+			this.antennasRepository.update({
+				lastUsedAt: LessThan(new Date(Date.now() - this.config.deactivateAntennaThreshold)),
+			}, {
+				isActive: false,
+			});
+		}
 
 		const expiredRoleAssignments = await this.roleAssignmentsRepository.createQueryBuilder('assign')
 			.where('assign.expiresAt IS NOT NULL')