diff --git a/packages/backend/src/core/NoteReadService.ts b/packages/backend/src/core/NoteReadService.ts
index 181c9f7649..f15dcfd8a1 100644
--- a/packages/backend/src/core/NoteReadService.ts
+++ b/packages/backend/src/core/NoteReadService.ts
@@ -90,15 +90,11 @@ export class NoteReadService implements OnApplicationShutdown {
 	): Promise<void> {
 		if (notes.length === 0) return;
 
-		const noteIds = new Set<MiNote['id']>();
-
-		for (const note of notes) {
-			if (note.mentions && note.mentions.includes(userId)) {
-				noteIds.add(note.id);
-			} else if (note.visibleUserIds && note.visibleUserIds.includes(userId)) {
-				noteIds.add(note.id);
-			}
-		}
+		const noteIds = new Set<MiNote['id']>(
+			notes.filter(note =>
+				(note.mentions?.includes(userId) ?? false) || (note.visibleUserIds?.includes(userId) ?? false)
+			).map(note => note.id),
+		);
 
 		if (noteIds.size === 0) return;
 
diff --git a/packages/backend/src/core/activitypub/ApInboxService.ts b/packages/backend/src/core/activitypub/ApInboxService.ts
index 200b223ec1..e27797fca6 100644
--- a/packages/backend/src/core/activitypub/ApInboxService.ts
+++ b/packages/backend/src/core/activitypub/ApInboxService.ts
@@ -28,6 +28,7 @@ import type { UsersRepository, NotesRepository, FollowingsRepository, AbuseUserR
 import { bindThis } from '@/decorators.js';
 import type { MiLocalUser, MiRemoteUser } from '@/models/User.js';
 import { isNotNull } from '@/misc/is-not-null.js';
+import { GlobalEventService } from '@/core/GlobalEventService.js';
 import { getApHrefNullable, getApId, getApIds, getApType, isAccept, isActor, isAdd, isAnnounce, isBlock, isCollection, isCollectionOrOrderedCollection, isCreate, isDelete, isFlag, isFollow, isLike, isMove, isPost, isReject, isRemove, isTombstone, isUndo, isUpdate, validActor, validPost } from './type.js';
 import { ApNoteService } from './models/ApNoteService.js';
 import { ApLoggerService } from './ApLoggerService.js';
@@ -36,8 +37,6 @@ import { ApResolverService } from './ApResolverService.js';
 import { ApAudienceService } from './ApAudienceService.js';
 import { ApPersonService } from './models/ApPersonService.js';
 import { ApQuestionService } from './models/ApQuestionService.js';
-import { CacheService } from '@/core/CacheService.js';
-import { GlobalEventService } from '@/core/GlobalEventService.js';
 import type { Resolver } from './ApResolverService.js';
 import type { IAccept, IAdd, IAnnounce, IBlock, ICreate, IDelete, IFlag, IFollow, ILike, IObject, IReject, IRemove, IUndo, IUpdate, IMove } from './type.js';
 
diff --git a/packages/backend/src/core/entities/NoteReactionEntityService.ts b/packages/backend/src/core/entities/NoteReactionEntityService.ts
index f87752ab05..fa544e4190 100644
--- a/packages/backend/src/core/entities/NoteReactionEntityService.ts
+++ b/packages/backend/src/core/entities/NoteReactionEntityService.ts
@@ -77,9 +77,7 @@ export class NoteReactionEntityService implements OnModuleInit {
 			withNote: boolean;
 		},
 	) : Promise<Packed<'NoteReaction'>[]> {
-		const opts = Object.assign({
-			withNote: false,
-		}, options);
+		const opts = { withNote: false, ...options };
 
 		return (await Promise.allSettled(reactions.map(x => this.pack(x, me, opts))))
 			.filter(result => result.status === 'fulfilled')
diff --git a/packages/backend/src/server/api/endpoints/gallery/posts/create.ts b/packages/backend/src/server/api/endpoints/gallery/posts/create.ts
index a10bcc6fb6..46b101376f 100644
--- a/packages/backend/src/server/api/endpoints/gallery/posts/create.ts
+++ b/packages/backend/src/server/api/endpoints/gallery/posts/create.ts
@@ -8,7 +8,6 @@ import { Inject, Injectable } from '@nestjs/common';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import type { DriveFilesRepository, GalleryPostsRepository } from '@/models/_.js';
 import { MiGalleryPost } from '@/models/GalleryPost.js';
-import type { MiDriveFile } from '@/models/DriveFile.js';
 import { IdService } from '@/core/IdService.js';
 import { GalleryPostEntityService } from '@/core/entities/GalleryPostEntityService.js';
 import { DI } from '@/di-symbols.js';
diff --git a/packages/backend/src/server/api/endpoints/gallery/posts/update.ts b/packages/backend/src/server/api/endpoints/gallery/posts/update.ts
index 16c1c870ca..dc5d297cf0 100644
--- a/packages/backend/src/server/api/endpoints/gallery/posts/update.ts
+++ b/packages/backend/src/server/api/endpoints/gallery/posts/update.ts
@@ -7,7 +7,6 @@ import ms from 'ms';
 import { Inject, Injectable } from '@nestjs/common';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import type { DriveFilesRepository, GalleryPostsRepository } from '@/models/_.js';
-import type { MiDriveFile } from '@/models/DriveFile.js';
 import { GalleryPostEntityService } from '@/core/entities/GalleryPostEntityService.js';
 import { DI } from '@/di-symbols.js';
 import { isNotNull } from '@/misc/is-not-null.js';
diff --git a/packages/backend/src/server/api/endpoints/pinned-users.ts b/packages/backend/src/server/api/endpoints/pinned-users.ts
index 784766bcb5..f2846b3808 100644
--- a/packages/backend/src/server/api/endpoints/pinned-users.ts
+++ b/packages/backend/src/server/api/endpoints/pinned-users.ts
@@ -7,7 +7,6 @@ import { IsNull } from 'typeorm';
 import { Inject, Injectable } from '@nestjs/common';
 import type { UsersRepository } from '@/models/_.js';
 import * as Acct from '@/misc/acct.js';
-import type { MiUser } from '@/models/User.js';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import { MetaService } from '@/core/MetaService.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
diff --git a/packages/backend/src/server/api/endpoints/users/reactions.ts b/packages/backend/src/server/api/endpoints/users/reactions.ts
index 9c8c98b4c9..917f5efa89 100644
--- a/packages/backend/src/server/api/endpoints/users/reactions.ts
+++ b/packages/backend/src/server/api/endpoints/users/reactions.ts
@@ -97,10 +97,10 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 						qb
 							.from(this.noteReactionsRepository.metadata.targetName, 'reaction')
 							.where('"reaction"."userId" = :userId', { userId: ps.userId }),
-						ps.sinceId, ps.untilId, ps.sinceDate, ps.untilDate
+						ps.sinceId, ps.untilId, ps.sinceDate, ps.untilDate,
 					),
 					'reaction',
-					'"reaction"."noteId" = note.id'
+					'"reaction"."noteId" = note.id',
 				);
 
 			this.queryService.generateVisibilityQuery(query, me);