diff --git a/packages/backend/src/core/AiService.ts b/packages/backend/src/core/AiService.ts
index aee9504c8..059e335ef 100644
--- a/packages/backend/src/core/AiService.ts
+++ b/packages/backend/src/core/AiService.ts
@@ -6,13 +6,13 @@ import * as nsfw from 'nsfwjs';
 import si from 'systeminformation';
 import type { Config } from '@/config.js';
 import { DI } from '@/di-symbols.js';
+import { bindThis } from '@/decorators.js';
 
 const _filename = fileURLToPath(import.meta.url);
 const _dirname = dirname(_filename);
 
 const REQUIRED_CPU_FLAGS = ['avx2', 'fma'];
 let isSupportedCpu: undefined | boolean = undefined;
-import { bindThis } from '@/decorators.js';
 
 @Injectable()
 export class AiService {
diff --git a/packages/backend/src/core/AppLockService.ts b/packages/backend/src/core/AppLockService.ts
index 1f512b579..5f3072a41 100644
--- a/packages/backend/src/core/AppLockService.ts
+++ b/packages/backend/src/core/AppLockService.ts
@@ -3,12 +3,12 @@ import { Inject, Injectable } from '@nestjs/common';
 import redisLock from 'redis-lock';
 import Redis from 'ioredis';
 import { DI } from '@/di-symbols.js';
+import { bindThis } from '@/decorators.js';
 
 /**
  * Retry delay (ms) for lock acquisition
  */
 const retryDelay = 100;
-import { bindThis } from '@/decorators.js';
 
 @Injectable()
 export class AppLockService {
diff --git a/packages/backend/src/core/CustomEmojiService.ts b/packages/backend/src/core/CustomEmojiService.ts
index 36f88fd74..ff52ad27d 100644
--- a/packages/backend/src/core/CustomEmojiService.ts
+++ b/packages/backend/src/core/CustomEmojiService.ts
@@ -12,6 +12,7 @@ import type { Note } from '@/models/entities/Note.js';
 import type { EmojisRepository } from '@/models/index.js';
 import { UtilityService } from '@/core/UtilityService.js';
 import { ReactionService } from '@/core/ReactionService.js';
+import { bindThis } from '@/decorators.js';
 
 /**
  * 添付用絵文字情報
@@ -20,7 +21,6 @@ type PopulatedEmoji = {
 	name: string;
 	url: string;
 };
-import { bindThis } from '@/decorators.js';
 
 @Injectable()
 export class CustomEmojiService {
diff --git a/packages/backend/src/core/DriveService.ts b/packages/backend/src/core/DriveService.ts
index b83047dbc..895073c32 100644
--- a/packages/backend/src/core/DriveService.ts
+++ b/packages/backend/src/core/DriveService.ts
@@ -31,6 +31,7 @@ import { InternalStorageService } from '@/core/InternalStorageService.js';
 import { DriveFileEntityService } from '@/core/entities/DriveFileEntityService.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
 import { FileInfoService } from '@/core/FileInfoService.js';
+import { bindThis } from '@/decorators.js';
 import type S3 from 'aws-sdk/clients/s3.js';
 
 type AddFileArgs = {
@@ -71,7 +72,6 @@ type UploadFromUrlArgs = {
 	requestIp?: string | null;
 	requestHeaders?: Record<string, string> | null;
 };
-import { bindThis } from '@/decorators.js';
 
 @Injectable()
 export class DriveService {
diff --git a/packages/backend/src/core/FetchInstanceMetadataService.ts b/packages/backend/src/core/FetchInstanceMetadataService.ts
index 4d4945ca7..7eea45200 100644
--- a/packages/backend/src/core/FetchInstanceMetadataService.ts
+++ b/packages/backend/src/core/FetchInstanceMetadataService.ts
@@ -10,6 +10,7 @@ import type Logger from '@/logger.js';
 import { DI } from '@/di-symbols.js';
 import { LoggerService } from '@/core/LoggerService.js';
 import { HttpRequestService } from '@/core/HttpRequestService.js';
+import { bindThis } from '@/decorators.js';
 import type { DOMWindow } from 'jsdom';
 
 type NodeInfo = {
@@ -30,7 +31,6 @@ type NodeInfo = {
 		themeColor?: unknown;
 	};
 };
-import { bindThis } from '@/decorators.js';
 
 @Injectable()
 export class FetchInstanceMetadataService {
diff --git a/packages/backend/src/core/GlobalEventService.ts b/packages/backend/src/core/GlobalEventService.ts
index 90f911027..784612149 100644
--- a/packages/backend/src/core/GlobalEventService.ts
+++ b/packages/backend/src/core/GlobalEventService.ts
@@ -50,26 +50,32 @@ export class GlobalEventService {
 		}));
 	}
 
+	@bindThis
 	public publishInternalEvent<K extends keyof InternalStreamTypes>(type: K, value?: InternalStreamTypes[K]): void {
 		this.publish('internal', type, typeof value === 'undefined' ? null : value);
 	}
 
+	@bindThis
 	public publishUserEvent<K extends keyof UserStreamTypes>(userId: User['id'], type: K, value?: UserStreamTypes[K]): void {
 		this.publish(`user:${userId}`, type, typeof value === 'undefined' ? null : value);
 	}
 
+	@bindThis
 	public publishBroadcastStream<K extends keyof BroadcastTypes>(type: K, value?: BroadcastTypes[K]): void {
 		this.publish('broadcast', type, typeof value === 'undefined' ? null : value);
 	}
 
+	@bindThis
 	public publishMainStream<K extends keyof MainStreamTypes>(userId: User['id'], type: K, value?: MainStreamTypes[K]): void {
 		this.publish(`mainStream:${userId}`, type, typeof value === 'undefined' ? null : value);
 	}
 
+	@bindThis
 	public publishDriveStream<K extends keyof DriveStreamTypes>(userId: User['id'], type: K, value?: DriveStreamTypes[K]): void {
 		this.publish(`driveStream:${userId}`, type, typeof value === 'undefined' ? null : value);
 	}
 
+	@bindThis
 	public publishNoteStream<K extends keyof NoteStreamTypes>(noteId: Note['id'], type: K, value?: NoteStreamTypes[K]): void {
 		this.publish(`noteStream:${noteId}`, type, {
 			id: noteId,
@@ -77,26 +83,32 @@ export class GlobalEventService {
 		});
 	}
 
+	@bindThis
 	public publishChannelStream<K extends keyof ChannelStreamTypes>(channelId: Channel['id'], type: K, value?: ChannelStreamTypes[K]): void {
 		this.publish(`channelStream:${channelId}`, type, typeof value === 'undefined' ? null : value);
 	}
 
+	@bindThis
 	public publishUserListStream<K extends keyof UserListStreamTypes>(listId: UserList['id'], type: K, value?: UserListStreamTypes[K]): void {
 		this.publish(`userListStream:${listId}`, type, typeof value === 'undefined' ? null : value);
 	}
 
+	@bindThis
 	public publishAntennaStream<K extends keyof AntennaStreamTypes>(antennaId: Antenna['id'], type: K, value?: AntennaStreamTypes[K]): void {
 		this.publish(`antennaStream:${antennaId}`, type, typeof value === 'undefined' ? null : value);
 	}
 
+	@bindThis
 	public publishMessagingStream<K extends keyof MessagingStreamTypes>(userId: User['id'], otherpartyId: User['id'], type: K, value?: MessagingStreamTypes[K]): void {
 		this.publish(`messagingStream:${userId}-${otherpartyId}`, type, typeof value === 'undefined' ? null : value);
 	}
 
+	@bindThis
 	public publishGroupMessagingStream<K extends keyof GroupMessagingStreamTypes>(groupId: UserGroup['id'], type: K, value?: GroupMessagingStreamTypes[K]): void {
 		this.publish(`messagingStream:${groupId}`, type, typeof value === 'undefined' ? null : value);
 	}
 
+	@bindThis
 	public publishMessagingIndexStream<K extends keyof MessagingIndexStreamTypes>(userId: User['id'], type: K, value?: MessagingIndexStreamTypes[K]): void {
 		this.publish(`messagingIndexStream:${userId}`, type, typeof value === 'undefined' ? null : value);
 	}
@@ -106,6 +118,7 @@ export class GlobalEventService {
 		this.publish('notesStream', null, note);
 	}
 
+	@bindThis
 	public publishAdminStream<K extends keyof AdminStreamTypes>(userId: User['id'], type: K, value?: AdminStreamTypes[K]): void {
 		this.publish(`adminStream:${userId}`, type, typeof value === 'undefined' ? null : value);
 	}
diff --git a/packages/backend/src/core/InstanceActorService.ts b/packages/backend/src/core/InstanceActorService.ts
index abd6685d6..0b4a83c63 100644
--- a/packages/backend/src/core/InstanceActorService.ts
+++ b/packages/backend/src/core/InstanceActorService.ts
@@ -5,9 +5,9 @@ import type { UsersRepository } from '@/models/index.js';
 import { Cache } from '@/misc/cache.js';
 import { DI } from '@/di-symbols.js';
 import { CreateSystemUserService } from '@/core/CreateSystemUserService.js';
+import { bindThis } from '@/decorators.js';
 
 const ACTOR_USERNAME = 'instance.actor' as const;
-import { bindThis } from '@/decorators.js';
 
 @Injectable()
 export class InstanceActorService {
diff --git a/packages/backend/src/core/InternalStorageService.ts b/packages/backend/src/core/InternalStorageService.ts
index e32cbf645..7c03af7de 100644
--- a/packages/backend/src/core/InternalStorageService.ts
+++ b/packages/backend/src/core/InternalStorageService.ts
@@ -5,12 +5,12 @@ import { dirname } from 'node:path';
 import { Inject, Injectable } from '@nestjs/common';
 import { DI } from '@/di-symbols.js';
 import type { Config } from '@/config.js';
+import { bindThis } from '@/decorators.js';
 
 const _filename = fileURLToPath(import.meta.url);
 const _dirname = dirname(_filename);
 
 const path = Path.resolve(_dirname, '../../../../files');
-import { bindThis } from '@/decorators.js';
 
 @Injectable()
 export class InternalStorageService {
diff --git a/packages/backend/src/core/MfmService.ts b/packages/backend/src/core/MfmService.ts
index d53623baa..6c40ba25a 100644
--- a/packages/backend/src/core/MfmService.ts
+++ b/packages/backend/src/core/MfmService.ts
@@ -7,6 +7,7 @@ import type { UsersRepository } from '@/models/index.js';
 import type { Config } from '@/config.js';
 import { intersperse } from '@/misc/prelude/array.js';
 import type { IMentionedRemoteUsers } from '@/models/entities/Note.js';
+import { bindThis } from '@/decorators.js';
 import * as TreeAdapter from '../../node_modules/parse5/dist/tree-adapters/default.js';
 import type * as mfm from 'mfm-js';
 
@@ -14,7 +15,6 @@ const treeAdapter = TreeAdapter.defaultTreeAdapter;
 
 const urlRegex = /^https?:\/\/[\w\/:%#@$&?!()\[\]~.,=+\-]+/;
 const urlRegexFull = /^https?:\/\/[\w\/:%#@$&?!()\[\]~.,=+\-]+$/;
-import { bindThis } from '@/decorators.js';
 
 @Injectable()
 export class MfmService {
diff --git a/packages/backend/src/core/NoteCreateService.ts b/packages/backend/src/core/NoteCreateService.ts
index a41df2805..b0a8f03af 100644
--- a/packages/backend/src/core/NoteCreateService.ts
+++ b/packages/backend/src/core/NoteCreateService.ts
@@ -40,6 +40,7 @@ import { ApRendererService } from '@/core/activitypub/ApRendererService.js';
 import { ApDeliverManagerService } from '@/core/activitypub/ApDeliverManagerService.js';
 import { NoteReadService } from '@/core/NoteReadService.js';
 import { RemoteUserResolveService } from '@/core/RemoteUserResolveService.js';
+import { bindThis } from '@/decorators.js';
 
 const mutedWordsCache = new Cache<{ userId: UserProfile['userId']; mutedWords: UserProfile['mutedWords']; }[]>(1000 * 60 * 5);
 
@@ -132,7 +133,6 @@ type Option = {
 	url?: string | null;
 	app?: App | null;
 };
-import { bindThis } from '@/decorators.js';
 
 @Injectable()
 export class NoteCreateService {
diff --git a/packages/backend/src/core/PushNotificationService.ts b/packages/backend/src/core/PushNotificationService.ts
index bffb24cf4..512b6025b 100644
--- a/packages/backend/src/core/PushNotificationService.ts
+++ b/packages/backend/src/core/PushNotificationService.ts
@@ -6,6 +6,7 @@ import type { Packed } from '@/misc/schema';
 import { getNoteSummary } from '@/misc/get-note-summary.js';
 import type { SwSubscriptionsRepository } from '@/models/index.js';
 import { MetaService } from '@/core/MetaService.js';
+import { bindThis } from '@/decorators.js';
 
 // Defined also packages/sw/types.ts#L14-L21
 type pushNotificationsTypes = {
@@ -37,7 +38,6 @@ function truncateNotification(notification: Packed<'Notification'>): any {
 
 	return notification;
 }
-import { bindThis } from '@/decorators.js';
 
 @Injectable()
 export class PushNotificationService {
diff --git a/packages/backend/src/core/ReactionService.ts b/packages/backend/src/core/ReactionService.ts
index b02c99056..09022b57a 100644
--- a/packages/backend/src/core/ReactionService.ts
+++ b/packages/backend/src/core/ReactionService.ts
@@ -17,6 +17,7 @@ import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
 import { ApRendererService } from '@/core/activitypub/ApRendererService.js';
 import { MetaService } from '@/core/MetaService.js';
+import { bindThis } from '@/decorators.js';
 import { UtilityService } from './UtilityService.js';
 
 const legacies: Record<string, string> = {
@@ -49,7 +50,6 @@ type DecodedReaction = {
 	 */
 	host?: string | null;
 };
-import { bindThis } from '@/decorators.js';
 
 @Injectable()
 export class ReactionService {
diff --git a/packages/backend/src/core/RelayService.ts b/packages/backend/src/core/RelayService.ts
index 5fb853f25..a7408649b 100644
--- a/packages/backend/src/core/RelayService.ts
+++ b/packages/backend/src/core/RelayService.ts
@@ -10,9 +10,9 @@ import { CreateSystemUserService } from '@/core/CreateSystemUserService.js';
 import { ApRendererService } from '@/core/activitypub/ApRendererService.js';
 import { DI } from '@/di-symbols.js';
 import { deepClone } from '@/misc/clone.js';
+import { bindThis } from '@/decorators.js';
 
 const ACTOR_USERNAME = 'relay.actor' as const;
-import { bindThis } from '@/decorators.js';
 
 @Injectable()
 export class RelayService {
diff --git a/packages/backend/src/core/TwoFactorAuthenticationService.ts b/packages/backend/src/core/TwoFactorAuthenticationService.ts
index 150047fd2..dda78236e 100644
--- a/packages/backend/src/core/TwoFactorAuthenticationService.ts
+++ b/packages/backend/src/core/TwoFactorAuthenticationService.ts
@@ -4,6 +4,7 @@ import * as jsrsasign from 'jsrsasign';
 import { DI } from '@/di-symbols.js';
 import type { UsersRepository } from '@/models/index.js';
 import type { Config } from '@/config.js';
+import { bindThis } from '@/decorators.js';
 
 const ECC_PRELUDE = Buffer.from([0x04]);
 const NULL_BYTE = Buffer.from([0]);
@@ -103,7 +104,6 @@ function PEMString(pemBuffer: Buffer, type = 'CERTIFICATE') {
 		`\n-----END ${type}-----\n`
 	);
 }
-import { bindThis } from '@/decorators.js';
 
 @Injectable()
 export class TwoFactorAuthenticationService {
diff --git a/packages/backend/src/core/UserFollowingService.ts b/packages/backend/src/core/UserFollowingService.ts
index a6cb042c7..074aae86c 100644
--- a/packages/backend/src/core/UserFollowingService.ts
+++ b/packages/backend/src/core/UserFollowingService.ts
@@ -13,9 +13,10 @@ import { WebhookService } from '@/core/WebhookService.js';
 import { CreateNotificationService } from '@/core/CreateNotificationService.js';
 import { DI } from '@/di-symbols.js';
 import type { BlockingsRepository, FollowingsRepository, FollowRequestsRepository, InstancesRepository, UserProfilesRepository, UsersRepository } from '@/models/index.js';
-import Logger from '../logger.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
 import { ApRendererService } from '@/core/activitypub/ApRendererService.js';
+import { bindThis } from '@/decorators.js';
+import Logger from '../logger.js';
 
 const logger = new Logger('following/create');
 
@@ -31,7 +32,6 @@ type Remote = IRemoteUser | {
 	inbox: IRemoteUser['inbox'];
 };
 type Both = Local | Remote;
-import { bindThis } from '@/decorators.js';
 
 @Injectable()
 export class UserFollowingService {
diff --git a/packages/backend/src/core/WebfingerService.ts b/packages/backend/src/core/WebfingerService.ts
index 2d7afe5c8..4c91ab843 100644
--- a/packages/backend/src/core/WebfingerService.ts
+++ b/packages/backend/src/core/WebfingerService.ts
@@ -4,6 +4,7 @@ import { DI } from '@/di-symbols.js';
 import type { Config } from '@/config.js';
 import { query as urlQuery } from '@/misc/prelude/url.js';
 import { HttpRequestService } from '@/core/HttpRequestService.js';
+import { bindThis } from '@/decorators.js';
 
 type ILink = {
 	href: string;
@@ -14,7 +15,6 @@ type IWebFinger = {
 	links: ILink[];
 	subject: string;
 };
-import { bindThis } from '@/decorators.js';
 
 @Injectable()
 export class WebfingerService {