diff --git a/packages/backend/src/core/NoteCreateService.ts b/packages/backend/src/core/NoteCreateService.ts
index ae98c2fc79..53c6329c04 100644
--- a/packages/backend/src/core/NoteCreateService.ts
+++ b/packages/backend/src/core/NoteCreateService.ts
@@ -51,7 +51,6 @@ import { FeaturedService } from '@/core/FeaturedService.js';
 import { FanoutTimelineService } from '@/core/FanoutTimelineService.js';
 import { UtilityService } from '@/core/UtilityService.js';
 import { UserBlockingService } from '@/core/UserBlockingService.js';
-import { CacheService } from '@/core/CacheService.js';
 import { isReply } from '@/misc/is-reply.js';
 import { trackPromise } from '@/misc/promise-tracker.js';
 import { isUserRelated } from '@/misc/is-user-related.js';
diff --git a/packages/backend/src/core/activitypub/ApRequestService.ts b/packages/backend/src/core/activitypub/ApRequestService.ts
index ca4aabbf49..a5f96dfac1 100644
--- a/packages/backend/src/core/activitypub/ApRequestService.ts
+++ b/packages/backend/src/core/activitypub/ApRequestService.ts
@@ -19,7 +19,6 @@ import type Logger from '@/logger.js';
 import type { IObject } from './type.js';
 import { validateContentTypeSetAsActivityPub } from '@/core/activitypub/misc/validator.js';
 import { assertActivityMatchesUrls } from '@/core/activitypub/misc/check-against-url.js';
-import { UtilityService } from "@/core/UtilityService.js";
 import type { IObject } from './type.js';
 
 type Request = {