diff --git a/packages/backend/src/core/DriveService.ts b/packages/backend/src/core/DriveService.ts
index 42a430ea75..b15c967c85 100644
--- a/packages/backend/src/core/DriveService.ts
+++ b/packages/backend/src/core/DriveService.ts
@@ -7,7 +7,7 @@ import { DI } from '@/di-symbols.js';
 import type { DriveFilesRepository, UsersRepository, DriveFoldersRepository, UserProfilesRepository } from '@/models/index.js';
 import type { Config } from '@/config.js';
 import Logger from '@/logger.js';
-import type { IRemoteUser, User } from '@/models/entities/User.js';
+import type { RemoteUser, User } from '@/models/entities/User.js';
 import { MetaService } from '@/core/MetaService.js';
 import { DriveFile } from '@/models/entities/DriveFile.js';
 import { IdService } from '@/core/IdService.js';
@@ -255,7 +255,7 @@ export class DriveService {
 				return {
 					webpublic: null,
 					thumbnail: null,
-				}
+				};
 			}
 
 			try {
@@ -399,7 +399,7 @@ export class DriveService {
 	}
 
 	@bindThis
-	private async deleteOldFile(user: IRemoteUser) {
+	private async deleteOldFile(user: RemoteUser) {
 		const q = this.driveFilesRepository.createQueryBuilder('file')
 			.where('file.userId = :userId', { userId: user.id })
 			.andWhere('file.isLink = FALSE');
@@ -500,7 +500,7 @@ export class DriveService {
 					throw new IdentifiableError('c6244ed2-a39a-4e1c-bf93-f0fbd7764fa6', 'No free space.');
 				} else {
 				// (アバターまたはバナーを含まず)最も古いファイルを削除する
-					this.deleteOldFile(await this.usersRepository.findOneByOrFail({ id: user.id }) as IRemoteUser);
+					this.deleteOldFile(await this.usersRepository.findOneByOrFail({ id: user.id }) as RemoteUser);
 				}
 			}
 		}
diff --git a/packages/backend/src/core/InstanceActorService.ts b/packages/backend/src/core/InstanceActorService.ts
index 0b4a83c634..ee9ae0733f 100644
--- a/packages/backend/src/core/InstanceActorService.ts
+++ b/packages/backend/src/core/InstanceActorService.ts
@@ -1,6 +1,6 @@
 import { Inject, Injectable } from '@nestjs/common';
 import { IsNull } from 'typeorm';
-import type { ILocalUser } from '@/models/entities/User.js';
+import type { LocalUser } from '@/models/entities/User.js';
 import type { UsersRepository } from '@/models/index.js';
 import { Cache } from '@/misc/cache.js';
 import { DI } from '@/di-symbols.js';
@@ -11,7 +11,7 @@ const ACTOR_USERNAME = 'instance.actor' as const;
 
 @Injectable()
 export class InstanceActorService {
-	private cache: Cache<ILocalUser>;
+	private cache: Cache<LocalUser>;
 
 	constructor(
 		@Inject(DI.usersRepository)
@@ -19,24 +19,24 @@ export class InstanceActorService {
 
 		private createSystemUserService: CreateSystemUserService,
 	) {
-		this.cache = new Cache<ILocalUser>(Infinity);
+		this.cache = new Cache<LocalUser>(Infinity);
 	}
 
 	@bindThis
-	public async getInstanceActor(): Promise<ILocalUser> {
+	public async getInstanceActor(): Promise<LocalUser> {
 		const cached = this.cache.get(null);
 		if (cached) return cached;
 	
 		const user = await this.usersRepository.findOneBy({
 			host: IsNull(),
 			username: ACTOR_USERNAME,
-		}) as ILocalUser | undefined;
+		}) as LocalUser | undefined;
 	
 		if (user) {
 			this.cache.set(null, user);
 			return user;
 		} else {
-			const created = await this.createSystemUserService.createSystemUser(ACTOR_USERNAME) as ILocalUser;
+			const created = await this.createSystemUserService.createSystemUser(ACTOR_USERNAME) as LocalUser;
 			this.cache.set(null, created);
 			return created;
 		}
diff --git a/packages/backend/src/core/MessagingService.ts b/packages/backend/src/core/MessagingService.ts
index 0721f63d5e..3a8a25c602 100644
--- a/packages/backend/src/core/MessagingService.ts
+++ b/packages/backend/src/core/MessagingService.ts
@@ -5,7 +5,7 @@ import type { Config } from '@/config.js';
 import type { DriveFile } from '@/models/entities/DriveFile.js';
 import type { MessagingMessage } from '@/models/entities/MessagingMessage.js';
 import type { Note } from '@/models/entities/Note.js';
-import type { User, IRemoteUser } from '@/models/entities/User.js';
+import type { User, RemoteUser } from '@/models/entities/User.js';
 import type { UserGroup } from '@/models/entities/UserGroup.js';
 import { QueueService } from '@/core/QueueService.js';
 import { toArray } from '@/misc/prelude/array.js';
@@ -291,7 +291,7 @@ export class MessagingService {
 	}
 
 	@bindThis
-	public async deliverReadActivity(user: { id: User['id']; host: null; }, recipient: IRemoteUser, messages: MessagingMessage | MessagingMessage[]) {
+	public async deliverReadActivity(user: { id: User['id']; host: null; }, recipient: RemoteUser, messages: MessagingMessage | MessagingMessage[]) {
 		messages = toArray(messages).filter(x => x.uri);
 		const contents = messages.map(x => this.apRendererService.renderRead(user, x));
 
diff --git a/packages/backend/src/core/NoteCreateService.ts b/packages/backend/src/core/NoteCreateService.ts
index 04c057f6cd..2484cfc6c1 100644
--- a/packages/backend/src/core/NoteCreateService.ts
+++ b/packages/backend/src/core/NoteCreateService.ts
@@ -11,7 +11,7 @@ import type { DriveFile } from '@/models/entities/DriveFile.js';
 import type { App } from '@/models/entities/App.js';
 import { concat } from '@/misc/prelude/array.js';
 import { IdService } from '@/core/IdService.js';
-import type { User, ILocalUser, IRemoteUser } from '@/models/entities/User.js';
+import type { User, LocalUser, RemoteUser } from '@/models/entities/User.js';
 import type { IPoll } from '@/models/entities/Poll.js';
 import { Poll } from '@/models/entities/Poll.js';
 import { isDuplicateKeyValueError } from '@/misc/is-duplicate-key-value-error.js';
@@ -52,7 +52,7 @@ class NotificationManager {
 	private notifier: { id: User['id']; };
 	private note: Note;
 	private queue: {
-		target: ILocalUser['id'];
+		target: LocalUser['id'];
 		reason: NotificationType;
 	}[];
 
@@ -68,7 +68,7 @@ class NotificationManager {
 	}
 
 	@bindThis
-	public push(notifiee: ILocalUser['id'], reason: NotificationType) {
+	public push(notifiee: LocalUser['id'], reason: NotificationType) {
 		// 自分自身へは通知しない
 		if (this.notifier.id === notifiee) return;
 
@@ -605,7 +605,7 @@ export class NoteCreateService {
 
 					// メンションされたリモートユーザーに配送
 					for (const u of mentionedUsers.filter(u => this.userEntityService.isRemoteUser(u))) {
-						dm.addDirectRecipe(u as IRemoteUser);
+						dm.addDirectRecipe(u as RemoteUser);
 					}
 
 					// 投稿がリプライかつ投稿者がローカルユーザーかつリプライ先の投稿の投稿者がリモートユーザーなら配送
diff --git a/packages/backend/src/core/NoteDeleteService.ts b/packages/backend/src/core/NoteDeleteService.ts
index fbcac2eff3..571b625523 100644
--- a/packages/backend/src/core/NoteDeleteService.ts
+++ b/packages/backend/src/core/NoteDeleteService.ts
@@ -1,6 +1,6 @@
 import { Brackets, In } from 'typeorm';
 import { Injectable, Inject } from '@nestjs/common';
-import type { User, ILocalUser, IRemoteUser } from '@/models/entities/User.js';
+import type { User, LocalUser, RemoteUser } from '@/models/entities/User.js';
 import type { Note, IMentionedRemoteUsers } from '@/models/entities/Note.js';
 import type { InstancesRepository, NotesRepository, UsersRepository } from '@/models/index.js';
 import { RelayService } from '@/core/RelayService.js';
@@ -159,11 +159,11 @@ export class NoteDeleteService {
 
 		return await this.usersRepository.find({
 			where,
-		}) as IRemoteUser[];
+		}) as RemoteUser[];
 	}
 
 	@bindThis
-	private async deliverToConcerned(user: { id: ILocalUser['id']; host: null; }, note: Note, content: any) {
+	private async deliverToConcerned(user: { id: LocalUser['id']; host: null; }, note: Note, content: any) {
 		this.apDeliverManagerService.deliverToFollowers(user, content);
 		this.relayService.deliverToRelays(user, content);
 		const remoteUsers = await this.getMentionedRemoteUsers(note);
diff --git a/packages/backend/src/core/ProxyAccountService.ts b/packages/backend/src/core/ProxyAccountService.ts
index 55b70bfc94..7ed322ae65 100644
--- a/packages/backend/src/core/ProxyAccountService.ts
+++ b/packages/backend/src/core/ProxyAccountService.ts
@@ -1,6 +1,6 @@
 import { Inject, Injectable } from '@nestjs/common';
 import type { UsersRepository } from '@/models/index.js';
-import type { ILocalUser, User } from '@/models/entities/User.js';
+import type { LocalUser, User } from '@/models/entities/User.js';
 import { DI } from '@/di-symbols.js';
 import { MetaService } from '@/core/MetaService.js';
 import { bindThis } from '@/decorators.js';
@@ -16,9 +16,9 @@ export class ProxyAccountService {
 	}
 
 	@bindThis
-	public async fetch(): Promise<ILocalUser | null> {
+	public async fetch(): Promise<LocalUser | null> {
 		const meta = await this.metaService.fetch();
 		if (meta.proxyAccountId == null) return null;
-		return await this.usersRepository.findOneByOrFail({ id: meta.proxyAccountId }) as ILocalUser;
+		return await this.usersRepository.findOneByOrFail({ id: meta.proxyAccountId }) as LocalUser;
 	}
 }
diff --git a/packages/backend/src/core/ReactionService.ts b/packages/backend/src/core/ReactionService.ts
index 9ac3058ef9..9fccc14ee4 100644
--- a/packages/backend/src/core/ReactionService.ts
+++ b/packages/backend/src/core/ReactionService.ts
@@ -3,7 +3,7 @@ import { IsNull } from 'typeorm';
 import { DI } from '@/di-symbols.js';
 import type { EmojisRepository, BlockingsRepository, NoteReactionsRepository, UsersRepository, NotesRepository } from '@/models/index.js';
 import { IdentifiableError } from '@/misc/identifiable-error.js';
-import type { IRemoteUser, User } from '@/models/entities/User.js';
+import type { RemoteUser, User } from '@/models/entities/User.js';
 import type { Note } from '@/models/entities/Note.js';
 import { IdService } from '@/core/IdService.js';
 import type { NoteReaction } from '@/models/entities/NoteReaction.js';
@@ -181,7 +181,7 @@ export class ReactionService {
 			const dm = this.apDeliverManagerService.createDeliverManager(user, content);
 			if (note.userHost !== null) {
 				const reactee = await this.usersRepository.findOneBy({ id: note.userId });
-				dm.addDirectRecipe(reactee as IRemoteUser);
+				dm.addDirectRecipe(reactee as RemoteUser);
 			}
 	
 			if (['public', 'home', 'followers'].includes(note.visibility)) {
@@ -189,7 +189,7 @@ export class ReactionService {
 			} else if (note.visibility === 'specified') {
 				const visibleUsers = await Promise.all(note.visibleUserIds.map(id => this.usersRepository.findOneBy({ id })));
 				for (const u of visibleUsers.filter(u => u && this.userEntityService.isRemoteUser(u))) {
-					dm.addDirectRecipe(u as IRemoteUser);
+					dm.addDirectRecipe(u as RemoteUser);
 				}
 			}
 	
@@ -239,7 +239,7 @@ export class ReactionService {
 			const dm = this.apDeliverManagerService.createDeliverManager(user, content);
 			if (note.userHost !== null) {
 				const reactee = await this.usersRepository.findOneBy({ id: note.userId });
-				dm.addDirectRecipe(reactee as IRemoteUser);
+				dm.addDirectRecipe(reactee as RemoteUser);
 			}
 			dm.addFollowersRecipe();
 			dm.execute();
diff --git a/packages/backend/src/core/RelayService.ts b/packages/backend/src/core/RelayService.ts
index 326fd0af1f..2e07825e9b 100644
--- a/packages/backend/src/core/RelayService.ts
+++ b/packages/backend/src/core/RelayService.ts
@@ -1,6 +1,6 @@
 import { Inject, Injectable } from '@nestjs/common';
 import { IsNull } from 'typeorm';
-import type { ILocalUser, User } from '@/models/entities/User.js';
+import type { LocalUser, User } from '@/models/entities/User.js';
 import type { RelaysRepository, UsersRepository } from '@/models/index.js';
 import { IdService } from '@/core/IdService.js';
 import { Cache } from '@/misc/cache.js';
@@ -34,16 +34,16 @@ export class RelayService {
 	}
 
 	@bindThis
-	private async getRelayActor(): Promise<ILocalUser> {
+	private async getRelayActor(): Promise<LocalUser> {
 		const user = await this.usersRepository.findOneBy({
 			host: IsNull(),
 			username: ACTOR_USERNAME,
 		});
 	
-		if (user) return user as ILocalUser;
+		if (user) return user as LocalUser;
 	
 		const created = await this.createSystemUserService.createSystemUser(ACTOR_USERNAME);
-		return created as ILocalUser;
+		return created as LocalUser;
 	}
 
 	@bindThis
diff --git a/packages/backend/src/core/RemoteUserResolveService.ts b/packages/backend/src/core/RemoteUserResolveService.ts
index dde4098624..b72dce5180 100644
--- a/packages/backend/src/core/RemoteUserResolveService.ts
+++ b/packages/backend/src/core/RemoteUserResolveService.ts
@@ -4,7 +4,7 @@ import chalk from 'chalk';
 import { IsNull } from 'typeorm';
 import { DI } from '@/di-symbols.js';
 import type { UsersRepository } from '@/models/index.js';
-import type { IRemoteUser, User } from '@/models/entities/User.js';
+import type { RemoteUser, User } from '@/models/entities/User.js';
 import type { Config } from '@/config.js';
 import type Logger from '@/logger.js';
 import { UtilityService } from '@/core/UtilityService.js';
@@ -60,7 +60,7 @@ export class RemoteUserResolveService {
 			});
 		}
 	
-		const user = await this.usersRepository.findOneBy({ usernameLower, host }) as IRemoteUser | null;
+		const user = await this.usersRepository.findOneBy({ usernameLower, host }) as RemoteUser | null;
 	
 		const acctLower = `${usernameLower}@${host}`;
 	
@@ -82,7 +82,7 @@ export class RemoteUserResolveService {
 			const self = await this.resolveSelf(acctLower);
 	
 			if (user.uri !== self.href) {
-				// if uri mismatch, Fix (user@host <=> AP's Person id(IRemoteUser.uri)) mapping.
+				// if uri mismatch, Fix (user@host <=> AP's Person id(RemoteUser.uri)) mapping.
 				this.logger.info(`uri missmatch: ${acctLower}`);
 				this.logger.info(`recovery missmatch uri for (username=${username}, host=${host}) from ${user.uri} to ${self.href}`);
 	
diff --git a/packages/backend/src/core/UserCacheService.ts b/packages/backend/src/core/UserCacheService.ts
index 5f0a919088..fc383d1c08 100644
--- a/packages/backend/src/core/UserCacheService.ts
+++ b/packages/backend/src/core/UserCacheService.ts
@@ -2,7 +2,7 @@ import { Inject, Injectable } from '@nestjs/common';
 import Redis from 'ioredis';
 import type { UsersRepository } from '@/models/index.js';
 import { Cache } from '@/misc/cache.js';
-import type { ILocalUser, User } from '@/models/entities/User.js';
+import type { LocalUser, User } from '@/models/entities/User.js';
 import { DI } from '@/di-symbols.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
 import { bindThis } from '@/decorators.js';
@@ -12,8 +12,8 @@ import type { OnApplicationShutdown } from '@nestjs/common';
 @Injectable()
 export class UserCacheService implements OnApplicationShutdown {
 	public userByIdCache: Cache<User>;
-	public localUserByNativeTokenCache: Cache<ILocalUser | null>;
-	public localUserByIdCache: Cache<ILocalUser>;
+	public localUserByNativeTokenCache: Cache<LocalUser | null>;
+	public localUserByIdCache: Cache<LocalUser>;
 	public uriPersonCache: Cache<User | null>;
 
 	constructor(
@@ -28,8 +28,8 @@ export class UserCacheService implements OnApplicationShutdown {
 		//this.onMessage = this.onMessage.bind(this);
 
 		this.userByIdCache = new Cache<User>(Infinity);
-		this.localUserByNativeTokenCache = new Cache<ILocalUser | null>(Infinity);
-		this.localUserByIdCache = new Cache<ILocalUser>(Infinity);
+		this.localUserByNativeTokenCache = new Cache<LocalUser | null>(Infinity);
+		this.localUserByIdCache = new Cache<LocalUser>(Infinity);
 		this.uriPersonCache = new Cache<User | null>(Infinity);
 
 		this.redisSubscriber.on('message', this.onMessage);
@@ -58,7 +58,7 @@ export class UserCacheService implements OnApplicationShutdown {
 					break;
 				}
 				case 'userTokenRegenerated': {
-					const user = await this.usersRepository.findOneByOrFail({ id: body.id }) as ILocalUser;
+					const user = await this.usersRepository.findOneByOrFail({ id: body.id }) as LocalUser;
 					this.localUserByNativeTokenCache.delete(body.oldToken);
 					this.localUserByNativeTokenCache.set(body.newToken, user);
 					break;
diff --git a/packages/backend/src/core/UserFollowingService.ts b/packages/backend/src/core/UserFollowingService.ts
index 589842a419..d8426512bf 100644
--- a/packages/backend/src/core/UserFollowingService.ts
+++ b/packages/backend/src/core/UserFollowingService.ts
@@ -1,5 +1,5 @@
 import { Inject, Injectable } from '@nestjs/common';
-import type { ILocalUser, IRemoteUser, User } from '@/models/entities/User.js';
+import type { LocalUser, RemoteUser, User } from '@/models/entities/User.js';
 import { IdentifiableError } from '@/misc/identifiable-error.js';
 import { QueueService } from '@/core/QueueService.js';
 import PerUserFollowingChart from '@/core/chart/charts/per-user-following.js';
@@ -21,16 +21,16 @@ import Logger from '../logger.js';
 
 const logger = new Logger('following/create');
 
-type Local = ILocalUser | {
-	id: ILocalUser['id'];
-	host: ILocalUser['host'];
-	uri: ILocalUser['uri']
+type Local = LocalUser | {
+	id: LocalUser['id'];
+	host: LocalUser['host'];
+	uri: LocalUser['uri']
 };
-type Remote = IRemoteUser | {
-	id: IRemoteUser['id'];
-	host: IRemoteUser['host'];
-	uri: IRemoteUser['uri'];
-	inbox: IRemoteUser['inbox'];
+type Remote = RemoteUser | {
+	id: RemoteUser['id'];
+	host: RemoteUser['host'];
+	uri: RemoteUser['uri'];
+	inbox: RemoteUser['inbox'];
 };
 type Both = Local | Remote;
 
diff --git a/packages/backend/src/core/activitypub/ApAudienceService.ts b/packages/backend/src/core/activitypub/ApAudienceService.ts
index ee14f4ddd7..4c22297b37 100644
--- a/packages/backend/src/core/activitypub/ApAudienceService.ts
+++ b/packages/backend/src/core/activitypub/ApAudienceService.ts
@@ -2,7 +2,7 @@ import { Inject, Injectable } from '@nestjs/common';
 import { In } from 'typeorm';
 import promiseLimit from 'promise-limit';
 import { DI } from '@/di-symbols.js';
-import type { IRemoteUser, User } from '@/models/entities/User.js';
+import type { RemoteUser, User } from '@/models/entities/User.js';
 import { concat, toArray, toSingle, unique } from '@/misc/prelude/array.js';
 import { bindThis } from '@/decorators.js';
 import { getApId, getApIds, getApType, isAccept, isActor, isAdd, isAnnounce, isBlock, isCollection, isCollectionOrOrderedCollection, isCreate, isDelete, isFlag, isFollow, isLike, isPost, isRead, isReject, isRemove, isTombstone, isUndo, isUpdate, validActor, validPost } from './type.js';
@@ -26,7 +26,7 @@ export class ApAudienceService {
 	}
 
 	@bindThis
-	public async parseAudience(actor: IRemoteUser, to?: ApObject, cc?: ApObject, resolver?: Resolver): Promise<AudienceInfo> {
+	public async parseAudience(actor: RemoteUser, to?: ApObject, cc?: ApObject, resolver?: Resolver): Promise<AudienceInfo> {
 		const toGroups = this.groupingAudience(getApIds(to), actor);
 		const ccGroups = this.groupingAudience(getApIds(cc), actor);
 	
@@ -69,7 +69,7 @@ export class ApAudienceService {
 	}
 	
 	@bindThis
-	private groupingAudience(ids: string[], actor: IRemoteUser) {
+	private groupingAudience(ids: string[], actor: RemoteUser) {
 		const groups = {
 			public: [] as string[],
 			followers: [] as string[],
@@ -101,7 +101,7 @@ export class ApAudienceService {
 	}
 	
 	@bindThis
-	private isFollowers(id: string, actor: IRemoteUser) {
+	private isFollowers(id: string, actor: RemoteUser) {
 		return (
 			id === (actor.followersUri ?? `${actor.uri}/followers`)
 		);
diff --git a/packages/backend/src/core/activitypub/ApDbResolverService.ts b/packages/backend/src/core/activitypub/ApDbResolverService.ts
index 5af9e29069..9a894826c8 100644
--- a/packages/backend/src/core/activitypub/ApDbResolverService.ts
+++ b/packages/backend/src/core/activitypub/ApDbResolverService.ts
@@ -9,7 +9,7 @@ import { UserCacheService } from '@/core/UserCacheService.js';
 import type { Note } from '@/models/entities/Note.js';
 import type { MessagingMessage } from '@/models/entities/MessagingMessage.js';
 import { bindThis } from '@/decorators.js';
-import { IRemoteUser, User } from '@/models/entities/User.js';
+import { RemoteUser, User } from '@/models/entities/User.js';
 import { getApId } from './type.js';
 import { ApPersonService } from './models/ApPersonService.js';
 import type { IObject } from './type.js';
@@ -143,7 +143,7 @@ export class ApDbResolverService {
 	 */
 	@bindThis
 	public async getAuthUserFromKeyId(keyId: string): Promise<{
-		user: IRemoteUser;
+		user: RemoteUser;
 		key: UserPublickey;
 	} | null> {
 		const key = await this.publicKeyCache.fetch(keyId, async () => {
@@ -159,7 +159,7 @@ export class ApDbResolverService {
 		if (key == null) return null;
 
 		return {
-			user: await this.userCacheService.findById(key.userId) as IRemoteUser,
+			user: await this.userCacheService.findById(key.userId) as RemoteUser,
 			key,
 		};
 	}
@@ -169,10 +169,10 @@ export class ApDbResolverService {
 	 */
 	@bindThis
 	public async getAuthUserFromApId(uri: string): Promise<{
-		user: IRemoteUser;
+		user: RemoteUser;
 		key: UserPublickey | null;
 	} | null> {
-		const user = await this.apPersonService.resolvePerson(uri) as IRemoteUser;
+		const user = await this.apPersonService.resolvePerson(uri) as RemoteUser;
 
 		if (user == null) return null;
 
diff --git a/packages/backend/src/core/activitypub/ApDeliverManagerService.ts b/packages/backend/src/core/activitypub/ApDeliverManagerService.ts
index 256cf12651..5e6ea69846 100644
--- a/packages/backend/src/core/activitypub/ApDeliverManagerService.ts
+++ b/packages/backend/src/core/activitypub/ApDeliverManagerService.ts
@@ -3,7 +3,7 @@ import { IsNull, Not } from 'typeorm';
 import { DI } from '@/di-symbols.js';
 import type { FollowingsRepository, UsersRepository } from '@/models/index.js';
 import type { Config } from '@/config.js';
-import type { ILocalUser, IRemoteUser, User } from '@/models/entities/User.js';
+import type { LocalUser, RemoteUser, User } from '@/models/entities/User.js';
 import { QueueService } from '@/core/QueueService.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
 import { bindThis } from '@/decorators.js';
@@ -18,7 +18,7 @@ interface IFollowersRecipe extends IRecipe {
 
 interface IDirectRecipe extends IRecipe {
 	type: 'Direct';
-	to: IRemoteUser;
+	to: RemoteUser;
 }
 
 const isFollowers = (recipe: any): recipe is IFollowersRecipe =>
@@ -50,7 +50,7 @@ export class ApDeliverManagerService {
 	 * @param from Followee
 	 */
 	@bindThis
-	public async deliverToFollowers(actor: { id: ILocalUser['id']; host: null; }, activity: any) {
+	public async deliverToFollowers(actor: { id: LocalUser['id']; host: null; }, activity: any) {
 		const manager = new DeliverManager(
 			this.userEntityService,
 			this.followingsRepository,
@@ -68,7 +68,7 @@ export class ApDeliverManagerService {
 	 * @param to Target user
 	 */
 	@bindThis
-	public async deliverToUser(actor: { id: ILocalUser['id']; host: null; }, activity: any, to: IRemoteUser) {
+	public async deliverToUser(actor: { id: LocalUser['id']; host: null; }, activity: any, to: RemoteUser) {
 		const manager = new DeliverManager(
 			this.userEntityService,
 			this.followingsRepository,
@@ -132,7 +132,7 @@ class DeliverManager {
 	 * @param to To
 	 */
 	@bindThis
-	public addDirectRecipe(to: IRemoteUser) {
+	public addDirectRecipe(to: RemoteUser) {
 		const recipe = {
 			type: 'Direct',
 			to,
diff --git a/packages/backend/src/core/activitypub/ApInboxService.ts b/packages/backend/src/core/activitypub/ApInboxService.ts
index d514e9845e..62f3827343 100644
--- a/packages/backend/src/core/activitypub/ApInboxService.ts
+++ b/packages/backend/src/core/activitypub/ApInboxService.ts
@@ -22,7 +22,7 @@ import { QueueService } from '@/core/QueueService.js';
 import { MessagingService } from '@/core/MessagingService.js';
 import type { UsersRepository, NotesRepository, FollowingsRepository, MessagingMessagesRepository, AbuseUserReportsRepository, FollowRequestsRepository } from '@/models/index.js';
 import { bindThis } from '@/decorators.js';
-import type { IRemoteUser } from '@/models/entities/User.js';
+import type { RemoteUser } from '@/models/entities/User.js';
 import { getApId, getApIds, getApType, isAccept, isActor, isAdd, isAnnounce, isBlock, isCollection, isCollectionOrOrderedCollection, isCreate, isDelete, isFlag, isFollow, isLike, isPost, isRead, isReject, isRemove, isTombstone, isUndo, isUpdate, validActor, validPost } from './type.js';
 import { ApNoteService } from './models/ApNoteService.js';
 import { ApLoggerService } from './ApLoggerService.js';
@@ -87,7 +87,7 @@ export class ApInboxService {
 	}
 	
 	@bindThis
-	public async performActivity(actor: IRemoteUser, activity: IObject) {
+	public async performActivity(actor: RemoteUser, activity: IObject) {
 		if (isCollectionOrOrderedCollection(activity)) {
 			const resolver = this.apResolverService.createResolver();
 			for (const item of toArray(isCollection(activity) ? activity.items : activity.orderedItems)) {
@@ -115,7 +115,7 @@ export class ApInboxService {
 	}
 
 	@bindThis
-	public async performOneActivity(actor: IRemoteUser, activity: IObject): Promise<void> {
+	public async performOneActivity(actor: RemoteUser, activity: IObject): Promise<void> {
 		if (actor.isSuspended) return;
 
 		if (isCreate(activity)) {
@@ -152,7 +152,7 @@ export class ApInboxService {
 	}
 
 	@bindThis
-	private async follow(actor: IRemoteUser, activity: IFollow): Promise<string> {
+	private async follow(actor: RemoteUser, activity: IFollow): Promise<string> {
 		const followee = await this.apDbResolverService.getUserFromApId(activity.object);
 	
 		if (followee == null) {
@@ -168,7 +168,7 @@ export class ApInboxService {
 	}
 
 	@bindThis
-	private async like(actor: IRemoteUser, activity: ILike): Promise<string> {
+	private async like(actor: RemoteUser, activity: ILike): Promise<string> {
 		const targetUri = getApId(activity.object);
 
 		const note = await this.apNoteService.fetchNote(targetUri);
@@ -186,7 +186,7 @@ export class ApInboxService {
 	}
 
 	@bindThis
-	private async read(actor: IRemoteUser, activity: IRead): Promise<string> {
+	private async read(actor: RemoteUser, activity: IRead): Promise<string> {
 		const id = await getApId(activity.object);
 
 		if (!this.utilityService.isSelfHost(this.utilityService.extractDbHost(id))) {
@@ -209,7 +209,7 @@ export class ApInboxService {
 	}
 
 	@bindThis
-	private async accept(actor: IRemoteUser, activity: IAccept): Promise<string> {
+	private async accept(actor: RemoteUser, activity: IAccept): Promise<string> {
 		const uri = activity.id ?? activity;
 
 		this.logger.info(`Accept: ${uri}`);
@@ -227,7 +227,7 @@ export class ApInboxService {
 	}
 
 	@bindThis
-	private async acceptFollow(actor: IRemoteUser, activity: IFollow): Promise<string> {
+	private async acceptFollow(actor: RemoteUser, activity: IFollow): Promise<string> {
 		// ※ activityはこっちから投げたフォローリクエストなので、activity.actorは存在するローカルユーザーである必要がある
 
 		const follower = await this.apDbResolverService.getUserFromApId(activity.actor);
@@ -251,7 +251,7 @@ export class ApInboxService {
 	}
 
 	@bindThis
-	private async add(actor: IRemoteUser, activity: IAdd): Promise<void> {
+	private async add(actor: RemoteUser, activity: IAdd): Promise<void> {
 		if ('actor' in activity && actor.uri !== activity.actor) {
 			throw new Error('invalid actor');
 		}
@@ -271,7 +271,7 @@ export class ApInboxService {
 	}
 
 	@bindThis
-	private async announce(actor: IRemoteUser, activity: IAnnounce): Promise<void> {
+	private async announce(actor: RemoteUser, activity: IAnnounce): Promise<void> {
 		const uri = getApId(activity);
 
 		this.logger.info(`Announce: ${uri}`);
@@ -282,7 +282,7 @@ export class ApInboxService {
 	}
 
 	@bindThis
-	private async announceNote(actor: IRemoteUser, activity: IAnnounce, targetUri: string): Promise<void> {
+	private async announceNote(actor: RemoteUser, activity: IAnnounce, targetUri: string): Promise<void> {
 		const uri = getApId(activity);
 
 		if (actor.isSuspended) {
@@ -342,7 +342,7 @@ export class ApInboxService {
 	}
 
 	@bindThis
-	private async block(actor: IRemoteUser, activity: IBlock): Promise<string> {
+	private async block(actor: RemoteUser, activity: IBlock): Promise<string> {
 		// ※ activity.objectにブロック対象があり、それは存在するローカルユーザーのはず
 
 		const blockee = await this.apDbResolverService.getUserFromApId(activity.object);
@@ -360,7 +360,7 @@ export class ApInboxService {
 	}
 
 	@bindThis
-	private async create(actor: IRemoteUser, activity: ICreate): Promise<void> {
+	private async create(actor: RemoteUser, activity: ICreate): Promise<void> {
 		const uri = getApId(activity);
 
 		this.logger.info(`Create: ${uri}`);
@@ -396,7 +396,7 @@ export class ApInboxService {
 	}
 
 	@bindThis
-	private async createNote(resolver: Resolver, actor: IRemoteUser, note: IObject, silent = false, activity?: ICreate): Promise<string> {
+	private async createNote(resolver: Resolver, actor: RemoteUser, note: IObject, silent = false, activity?: ICreate): Promise<string> {
 		const uri = getApId(note);
 
 		if (typeof note === 'object') {
@@ -431,7 +431,7 @@ export class ApInboxService {
 	}
 
 	@bindThis
-	private async delete(actor: IRemoteUser, activity: IDelete): Promise<string> {
+	private async delete(actor: RemoteUser, activity: IDelete): Promise<string> {
 		if ('actor' in activity && actor.uri !== activity.actor) {
 			throw new Error('invalid actor');
 		}
@@ -473,7 +473,7 @@ export class ApInboxService {
 	}
 
 	@bindThis
-	private async deleteActor(actor: IRemoteUser, uri: string): Promise<string> {
+	private async deleteActor(actor: RemoteUser, uri: string): Promise<string> {
 		this.logger.info(`Deleting the Actor: ${uri}`);
 	
 		if (actor.uri !== uri) {
@@ -495,7 +495,7 @@ export class ApInboxService {
 	}
 
 	@bindThis
-	private async deleteNote(actor: IRemoteUser, uri: string): Promise<string> {
+	private async deleteNote(actor: RemoteUser, uri: string): Promise<string> {
 		this.logger.info(`Deleting the Note: ${uri}`);
 	
 		const unlock = await this.appLockService.getApLock(uri);
@@ -528,7 +528,7 @@ export class ApInboxService {
 	}
 
 	@bindThis
-	private async flag(actor: IRemoteUser, activity: IFlag): Promise<string> {
+	private async flag(actor: RemoteUser, activity: IFlag): Promise<string> {
 		// objectは `(User|Note) | (User|Note)[]` だけど、全パターンDBスキーマと対応させられないので
 		// 対象ユーザーは一番最初のユーザー として あとはコメントとして格納する
 		const uris = getApIds(activity.object);
@@ -553,7 +553,7 @@ export class ApInboxService {
 	}
 
 	@bindThis
-	private async reject(actor: IRemoteUser, activity: IReject): Promise<string> {
+	private async reject(actor: RemoteUser, activity: IReject): Promise<string> {
 		const uri = activity.id ?? activity;
 
 		this.logger.info(`Reject: ${uri}`);
@@ -571,7 +571,7 @@ export class ApInboxService {
 	}
 
 	@bindThis
-	private async rejectFollow(actor: IRemoteUser, activity: IFollow): Promise<string> {
+	private async rejectFollow(actor: RemoteUser, activity: IFollow): Promise<string> {
 		// ※ activityはこっちから投げたフォローリクエストなので、activity.actorは存在するローカルユーザーである必要がある
 	
 		const follower = await this.apDbResolverService.getUserFromApId(activity.actor);
@@ -595,7 +595,7 @@ export class ApInboxService {
 	}
 
 	@bindThis
-	private async remove(actor: IRemoteUser, activity: IRemove): Promise<void> {
+	private async remove(actor: RemoteUser, activity: IRemove): Promise<void> {
 		if ('actor' in activity && actor.uri !== activity.actor) {
 			throw new Error('invalid actor');
 		}
@@ -615,7 +615,7 @@ export class ApInboxService {
 	}
 
 	@bindThis
-	private async undo(actor: IRemoteUser, activity: IUndo): Promise<string> {
+	private async undo(actor: RemoteUser, activity: IUndo): Promise<string> {
 		if ('actor' in activity && actor.uri !== activity.actor) {
 			throw new Error('invalid actor');
 		}
@@ -641,7 +641,7 @@ export class ApInboxService {
 	}
 
 	@bindThis
-	private async undoAccept(actor: IRemoteUser, activity: IAccept): Promise<string> {
+	private async undoAccept(actor: RemoteUser, activity: IAccept): Promise<string> {
 		const follower = await this.apDbResolverService.getUserFromApId(activity.object);
 		if (follower == null) {
 			return 'skip: follower not found';
@@ -661,7 +661,7 @@ export class ApInboxService {
 	}
 
 	@bindThis
-	private async undoAnnounce(actor: IRemoteUser, activity: IAnnounce): Promise<string> {
+	private async undoAnnounce(actor: RemoteUser, activity: IAnnounce): Promise<string> {
 		const uri = getApId(activity);
 
 		const note = await this.notesRepository.findOneBy({
@@ -676,7 +676,7 @@ export class ApInboxService {
 	}
 
 	@bindThis
-	private async undoBlock(actor: IRemoteUser, activity: IBlock): Promise<string> {
+	private async undoBlock(actor: RemoteUser, activity: IBlock): Promise<string> {
 		const blockee = await this.apDbResolverService.getUserFromApId(activity.object);
 
 		if (blockee == null) {
@@ -692,7 +692,7 @@ export class ApInboxService {
 	}
 
 	@bindThis
-	private async undoFollow(actor: IRemoteUser, activity: IFollow): Promise<string> {
+	private async undoFollow(actor: RemoteUser, activity: IFollow): Promise<string> {
 		const followee = await this.apDbResolverService.getUserFromApId(activity.object);
 		if (followee == null) {
 			return 'skip: followee not found';
@@ -726,7 +726,7 @@ export class ApInboxService {
 	}
 
 	@bindThis
-	private async undoLike(actor: IRemoteUser, activity: ILike): Promise<string> {
+	private async undoLike(actor: RemoteUser, activity: ILike): Promise<string> {
 		const targetUri = getApId(activity.object);
 
 		const note = await this.apNoteService.fetchNote(targetUri);
@@ -741,7 +741,7 @@ export class ApInboxService {
 	}
 
 	@bindThis
-	private async update(actor: IRemoteUser, activity: IUpdate): Promise<string> {
+	private async update(actor: RemoteUser, activity: IUpdate): Promise<string> {
 		if ('actor' in activity && actor.uri !== activity.actor) {
 			return 'skip: invalid actor';
 		}
diff --git a/packages/backend/src/core/activitypub/ApRendererService.ts b/packages/backend/src/core/activitypub/ApRendererService.ts
index 996ff625e8..308393f9fb 100644
--- a/packages/backend/src/core/activitypub/ApRendererService.ts
+++ b/packages/backend/src/core/activitypub/ApRendererService.ts
@@ -5,7 +5,7 @@ import { v4 as uuid } from 'uuid';
 import * as mfm from 'mfm-js';
 import { DI } from '@/di-symbols.js';
 import type { Config } from '@/config.js';
-import type { ILocalUser, IRemoteUser, User } from '@/models/entities/User.js';
+import type { LocalUser, RemoteUser, User } from '@/models/entities/User.js';
 import type { IMentionedRemoteUsers, Note } from '@/models/entities/Note.js';
 import type { Blocking } from '@/models/entities/Blocking.js';
 import type { Relay } from '@/models/entities/Relay.js';
@@ -70,7 +70,7 @@ export class ApRendererService {
 	}
 
 	@bindThis
-	public renderAdd(user: ILocalUser, target: any, object: any): IAdd {
+	public renderAdd(user: LocalUser, target: any, object: any): IAdd {
 		return {
 			type: 'Add',
 			actor: `${this.config.url}/users/${user.id}`,
@@ -181,7 +181,7 @@ export class ApRendererService {
 	// to anonymise reporters, the reporting actor must be a system user
 	// object has to be a uri or array of uris
 	@bindThis
-	public renderFlag(user: ILocalUser, object: IObject, content: string): IFlag {
+	public renderFlag(user: LocalUser, object: IObject, content: string): IFlag {
 		return {
 			type: 'Flag',
 			actor: `${this.config.url}/users/${user.id}`,
@@ -191,7 +191,7 @@ export class ApRendererService {
 	}
 
 	@bindThis
-	public renderFollowRelay(relay: Relay, relayActor: ILocalUser): IFollow {
+	public renderFollowRelay(relay: Relay, relayActor: LocalUser): IFollow {
 		return {
 			id: `${this.config.url}/activities/follow-relay/${relay.id}`,
 			type: 'Follow',
@@ -244,7 +244,7 @@ export class ApRendererService {
 	}
 
 	@bindThis
-	public renderKey(user: ILocalUser, key: UserKeypair, postfix?: string): IKey {
+	public renderKey(user: LocalUser, key: UserKeypair, postfix?: string): IKey {
 		return {
 			id: `${this.config.url}/users/${user.id}${postfix ?? '/publickey'}`,
 			type: 'Key',
@@ -287,8 +287,8 @@ export class ApRendererService {
 	public renderMention(mention: User): IApMention {
 		return {
 			type: 'Mention',
-			href: this.userEntityService.isRemoteUser(mention) ? mention.uri! : `${this.config.url}/users/${(mention as ILocalUser).id}`,
-			name: this.userEntityService.isRemoteUser(mention) ? `@${mention.username}@${mention.host}` : `@${(mention as ILocalUser).username}`,
+			href: this.userEntityService.isRemoteUser(mention) ? mention.uri! : `${this.config.url}/users/${(mention as LocalUser).id}`,
+			name: this.userEntityService.isRemoteUser(mention) ? `@${mention.username}@${mention.host}` : `@${(mention as LocalUser).username}`,
 		};
 	}
 
@@ -438,7 +438,7 @@ export class ApRendererService {
 	}
 
 	@bindThis
-	public async renderPerson(user: ILocalUser) {
+	public async renderPerson(user: LocalUser) {
 		const id = `${this.config.url}/users/${user.id}`;
 		const isSystem = !!user.username.match(/\./);
 
@@ -594,7 +594,7 @@ export class ApRendererService {
 	}
 
 	@bindThis
-	public renderVote(user: { id: User['id'] }, vote: PollVote, note: Note, poll: Poll, pollOwner: IRemoteUser): ICreate {
+	public renderVote(user: { id: User['id'] }, vote: PollVote, note: Note, poll: Poll, pollOwner: RemoteUser): ICreate {
 		return {
 			id: `${this.config.url}/users/${user.id}#votes/${vote.id}/activity`,
 			actor: `${this.config.url}/users/${user.id}`,
diff --git a/packages/backend/src/core/activitypub/ApResolverService.ts b/packages/backend/src/core/activitypub/ApResolverService.ts
index 65026cc4c5..df7bb46405 100644
--- a/packages/backend/src/core/activitypub/ApResolverService.ts
+++ b/packages/backend/src/core/activitypub/ApResolverService.ts
@@ -1,5 +1,5 @@
 import { Inject, Injectable } from '@nestjs/common';
-import type { ILocalUser } from '@/models/entities/User.js';
+import type { LocalUser } from '@/models/entities/User.js';
 import { InstanceActorService } from '@/core/InstanceActorService.js';
 import type { NotesRepository, PollsRepository, NoteReactionsRepository, UsersRepository } from '@/models/index.js';
 import type { Config } from '@/config.js';
@@ -18,7 +18,7 @@ import type { IObject, ICollection, IOrderedCollection } from './type.js';
 
 export class Resolver {
 	private history: Set<string>;
-	private user?: ILocalUser;
+	private user?: LocalUser;
 	private logger: Logger;
 
 	constructor(
@@ -133,7 +133,7 @@ export class Resolver {
 					});
 			case 'users':
 				return this.usersRepository.findOneByOrFail({ id: parsed.id })
-					.then(user => this.apRendererService.renderPerson(user as ILocalUser));
+					.then(user => this.apRendererService.renderPerson(user as LocalUser));
 			case 'questions':
 				// Polls are indexed by the note they are attached to.
 				return Promise.all([
diff --git a/packages/backend/src/core/activitypub/models/ApImageService.ts b/packages/backend/src/core/activitypub/models/ApImageService.ts
index f14b150138..3b671af127 100644
--- a/packages/backend/src/core/activitypub/models/ApImageService.ts
+++ b/packages/backend/src/core/activitypub/models/ApImageService.ts
@@ -2,7 +2,7 @@ import { Inject, Injectable } from '@nestjs/common';
 import { DI } from '@/di-symbols.js';
 import type { DriveFilesRepository } from '@/models/index.js';
 import type { Config } from '@/config.js';
-import type { IRemoteUser } from '@/models/entities/User.js';
+import type { RemoteUser } from '@/models/entities/User.js';
 import type { DriveFile } from '@/models/entities/DriveFile.js';
 import { MetaService } from '@/core/MetaService.js';
 import { truncate } from '@/misc/truncate.js';
@@ -36,7 +36,7 @@ export class ApImageService {
 	 * Imageを作成します。
 	 */
 	@bindThis
-	public async createImage(actor: IRemoteUser, value: any): Promise<DriveFile> {
+	public async createImage(actor: RemoteUser, value: any): Promise<DriveFile> {
 		// 投稿者が凍結されていたらスキップ
 		if (actor.isSuspended) {
 			throw new Error('actor has been suspended');
@@ -88,7 +88,7 @@ export class ApImageService {
 	 * リモートサーバーからフェッチしてMisskeyに登録しそれを返します。
 	 */
 	@bindThis
-	public async resolveImage(actor: IRemoteUser, value: any): Promise<DriveFile> {
+	public async resolveImage(actor: RemoteUser, value: any): Promise<DriveFile> {
 		// TODO
 
 		// リモートサーバーからフェッチしてきて登録
diff --git a/packages/backend/src/core/activitypub/models/ApNoteService.ts b/packages/backend/src/core/activitypub/models/ApNoteService.ts
index 0292a27d94..d4c4836887 100644
--- a/packages/backend/src/core/activitypub/models/ApNoteService.ts
+++ b/packages/backend/src/core/activitypub/models/ApNoteService.ts
@@ -3,7 +3,7 @@ import promiseLimit from 'promise-limit';
 import { DI } from '@/di-symbols.js';
 import type { MessagingMessagesRepository, PollsRepository, EmojisRepository, UsersRepository } from '@/models/index.js';
 import type { Config } from '@/config.js';
-import type { IRemoteUser } from '@/models/entities/User.js';
+import type { RemoteUser } from '@/models/entities/User.js';
 import type { Note } from '@/models/entities/Note.js';
 import { toArray, toSingle, unique } from '@/misc/prelude/array.js';
 import type { Emoji } from '@/models/entities/Emoji.js';
@@ -146,7 +146,7 @@ export class ApNoteService {
 		this.logger.info(`Creating the Note: ${note.id}`);
 	
 		// 投稿者をフェッチ
-		const actor = await this.apPersonService.resolvePerson(getOneApId(note.attributedTo!), resolver) as IRemoteUser;
+		const actor = await this.apPersonService.resolvePerson(getOneApId(note.attributedTo!), resolver) as RemoteUser;
 	
 		// 投稿者が凍結されていたらスキップ
 		if (actor.isSuspended) {
diff --git a/packages/backend/src/core/activitypub/models/ApPersonService.ts b/packages/backend/src/core/activitypub/models/ApPersonService.ts
index 9dca065529..35d6985f7a 100644
--- a/packages/backend/src/core/activitypub/models/ApPersonService.ts
+++ b/packages/backend/src/core/activitypub/models/ApPersonService.ts
@@ -5,7 +5,7 @@ import { ModuleRef } from '@nestjs/core';
 import { DI } from '@/di-symbols.js';
 import type { FollowingsRepository, InstancesRepository, UserProfilesRepository, UserPublickeysRepository, UsersRepository } from '@/models/index.js';
 import type { Config } from '@/config.js';
-import type { IRemoteUser } from '@/models/entities/User.js';
+import type { RemoteUser } from '@/models/entities/User.js';
 import { User } from '@/models/entities/User.js';
 import { truncate } from '@/misc/truncate.js';
 import type { UserCacheService } from '@/core/UserCacheService.js';
@@ -259,7 +259,7 @@ export class ApPersonService implements OnModuleInit {
 		}
 
 		// Create user
-		let user: IRemoteUser;
+		let user: RemoteUser;
 		try {
 		// Start transaction
 			await this.db.transaction(async transactionalEntityManager => {
@@ -284,7 +284,7 @@ export class ApPersonService implements OnModuleInit {
 					isBot,
 					isCat: (person as any).isCat === true,
 					showTimelineReplies: false,
-				})) as IRemoteUser;
+				})) as RemoteUser;
 
 				await transactionalEntityManager.save(new UserProfile({
 					userId: user.id,
@@ -313,7 +313,7 @@ export class ApPersonService implements OnModuleInit {
 				});
 
 				if (u) {
-					user = u as IRemoteUser;
+					user = u as RemoteUser;
 				} else {
 					throw new Error('already registered');
 				}
@@ -392,7 +392,7 @@ export class ApPersonService implements OnModuleInit {
 		}
 
 		//#region このサーバーに既に登録されているか
-		const exist = await this.usersRepository.findOneBy({ uri }) as IRemoteUser;
+		const exist = await this.usersRepository.findOneBy({ uri }) as RemoteUser;
 
 		if (exist == null) {
 			return;
diff --git a/packages/backend/src/core/entities/UserEntityService.ts b/packages/backend/src/core/entities/UserEntityService.ts
index eea9d5567d..fa3337c019 100644
--- a/packages/backend/src/core/entities/UserEntityService.ts
+++ b/packages/backend/src/core/entities/UserEntityService.ts
@@ -10,7 +10,7 @@ import { awaitAll } from '@/misc/prelude/await-all.js';
 import { USER_ACTIVE_THRESHOLD, USER_ONLINE_THRESHOLD } from '@/const.js';
 import { Cache } from '@/misc/cache.js';
 import type { Instance } from '@/models/entities/Instance.js';
-import type { ILocalUser, IRemoteUser, User } from '@/models/entities/User.js';
+import type { LocalUser, RemoteUser, User } from '@/models/entities/User.js';
 import { birthdaySchema, descriptionSchema, localUsernameSchema, locationSchema, nameSchema, passwordSchema } from '@/models/entities/User.js';
 import type { UsersRepository, UserSecurityKeysRepository, FollowingsRepository, FollowRequestsRepository, BlockingsRepository, MutingsRepository, DriveFilesRepository, NoteUnreadsRepository, ChannelFollowingsRepository, NotificationsRepository, UserNotePiningsRepository, UserProfilesRepository, InstancesRepository, AnnouncementReadsRepository, MessagingMessagesRepository, UserGroupJoiningsRepository, AnnouncementsRepository, AntennaNotesRepository, PagesRepository, UserProfile } from '@/models/index.js';
 import { bindThis } from '@/decorators.js';
@@ -32,13 +32,13 @@ type IsMeAndIsUserDetailed<ExpectsMe extends boolean | null, Detailed extends bo
 
 const ajv = new Ajv();
 
-function isLocalUser(user: User): user is ILocalUser;
+function isLocalUser(user: User): user is LocalUser;
 function isLocalUser<T extends { host: User['host'] }>(user: T): user is T & { host: null; };
 function isLocalUser(user: User | { host: User['host'] }): boolean {
 	return user.host == null;
 }
 
-function isRemoteUser(user: User): user is IRemoteUser;
+function isRemoteUser(user: User): user is RemoteUser;
 function isRemoteUser<T extends { host: User['host'] }>(user: T): user is T & { host: string; };
 function isRemoteUser(user: User | { host: User['host'] }): boolean {
 	return !isLocalUser(user);
diff --git a/packages/backend/src/models/entities/User.ts b/packages/backend/src/models/entities/User.ts
index 8d476ab0a6..0a8b89ea06 100644
--- a/packages/backend/src/models/entities/User.ts
+++ b/packages/backend/src/models/entities/User.ts
@@ -215,12 +215,12 @@ export class User {
 	}
 }
 
-export interface ILocalUser extends User {
+export type LocalUser = User & {
 	host: null;
 	uri: null;
 }
 
-export interface IRemoteUser extends User {
+export type RemoteUser = User & {
 	host: string;
 	uri: string;
 }
diff --git a/packages/backend/src/queue/processors/InboxProcessorService.ts b/packages/backend/src/queue/processors/InboxProcessorService.ts
index a41222c487..fb4ab0c62e 100644
--- a/packages/backend/src/queue/processors/InboxProcessorService.ts
+++ b/packages/backend/src/queue/processors/InboxProcessorService.ts
@@ -16,7 +16,7 @@ import InstanceChart from '@/core/chart/charts/instance.js';
 import ApRequestChart from '@/core/chart/charts/ap-request.js';
 import FederationChart from '@/core/chart/charts/federation.js';
 import { getApId } from '@/core/activitypub/type.js';
-import type { IRemoteUser } from '@/models/entities/User.js';
+import type { RemoteUser } from '@/models/entities/User.js';
 import type { UserPublickey } from '@/models/entities/UserPublickey.js';
 import { ApDbResolverService } from '@/core/activitypub/ApDbResolverService.js';
 import { StatusError } from '@/misc/status-error.js';
@@ -87,7 +87,7 @@ export class InboxProcessorService {
 
 		// HTTP-Signature keyIdを元にDBから取得
 		let authUser: {
-		user: IRemoteUser;
+		user: RemoteUser;
 		key: UserPublickey | null;
 	} | null = await this.apDbResolverService.getAuthUserFromKeyId(signature.keyId);
 
diff --git a/packages/backend/src/server/ActivityPubServerService.ts b/packages/backend/src/server/ActivityPubServerService.ts
index c3795223ad..da8d0114e5 100644
--- a/packages/backend/src/server/ActivityPubServerService.ts
+++ b/packages/backend/src/server/ActivityPubServerService.ts
@@ -11,7 +11,7 @@ import * as url from '@/misc/prelude/url.js';
 import type { Config } from '@/config.js';
 import { ApRendererService } from '@/core/activitypub/ApRendererService.js';
 import { QueueService } from '@/core/QueueService.js';
-import type { ILocalUser, User } from '@/models/entities/User.js';
+import type { LocalUser, User } from '@/models/entities/User.js';
 import { UserKeypairStoreService } from '@/core/UserKeypairStoreService.js';
 import type { Following } from '@/models/entities/Following.js';
 import { countIf } from '@/misc/prelude/array.js';
@@ -411,7 +411,7 @@ export class ActivityPubServerService {
 
 		reply.header('Cache-Control', 'public, max-age=180');
 		this.setResponseType(request, reply);
-		return (this.apRendererService.addContext(await this.apRendererService.renderPerson(user as ILocalUser)));
+		return (this.apRendererService.addContext(await this.apRendererService.renderPerson(user as LocalUser)));
 	}
 
 	@bindThis
diff --git a/packages/backend/src/server/api/ApiCallService.ts b/packages/backend/src/server/api/ApiCallService.ts
index 3a05413bc8..4a8b8a1c12 100644
--- a/packages/backend/src/server/api/ApiCallService.ts
+++ b/packages/backend/src/server/api/ApiCallService.ts
@@ -5,7 +5,7 @@ import { promisify } from 'node:util';
 import { Inject, Injectable } from '@nestjs/common';
 import { DI } from '@/di-symbols.js';
 import { getIpHash } from '@/misc/get-ip-hash.js';
-import type { ILocalUser, User } from '@/models/entities/User.js';
+import type { LocalUser, User } from '@/models/entities/User.js';
 import type { AccessToken } from '@/models/entities/AccessToken.js';
 import type Logger from '@/logger.js';
 import type { UserIpsRepository } from '@/models/index.js';
@@ -168,7 +168,7 @@ export class ApiCallService implements OnApplicationShutdown {
 	}
 
 	@bindThis
-	private async logIp(request: FastifyRequest, user: ILocalUser) {
+	private async logIp(request: FastifyRequest, user: LocalUser) {
 		const meta = await this.metaService.fetch();
 		if (!meta.enableIpLogging) return;
 		const ip = request.ip;
@@ -194,7 +194,7 @@ export class ApiCallService implements OnApplicationShutdown {
 	@bindThis
 	private async call(
 		ep: IEndpoint & { exec: any },
-		user: ILocalUser | null | undefined,
+		user: LocalUser | null | undefined,
 		token: AccessToken | null | undefined,
 		data: any,
 		file: {
diff --git a/packages/backend/src/server/api/AuthenticateService.ts b/packages/backend/src/server/api/AuthenticateService.ts
index b9f6af4ffe..87438c348d 100644
--- a/packages/backend/src/server/api/AuthenticateService.ts
+++ b/packages/backend/src/server/api/AuthenticateService.ts
@@ -1,7 +1,7 @@
 import { Inject, Injectable } from '@nestjs/common';
 import { DI } from '@/di-symbols.js';
 import type { AccessTokensRepository, AppsRepository, UsersRepository } from '@/models/index.js';
-import type { ILocalUser } from '@/models/entities/User.js';
+import type { LocalUser } from '@/models/entities/User.js';
 import type { AccessToken } from '@/models/entities/AccessToken.js';
 import { Cache } from '@/misc/cache.js';
 import type { App } from '@/models/entities/App.js';
@@ -36,14 +36,14 @@ export class AuthenticateService {
 	}
 
 	@bindThis
-	public async authenticate(token: string | null | undefined): Promise<[ILocalUser | null | undefined, AccessToken | null | undefined]> {
+	public async authenticate(token: string | null | undefined): Promise<[LocalUser | null | undefined, AccessToken | null | undefined]> {
 		if (token == null) {
 			return [null, null];
 		}
 	
 		if (isNativeToken(token)) {
 			const user = await this.userCacheService.localUserByNativeTokenCache.fetch(token,
-				() => this.usersRepository.findOneBy({ token }) as Promise<ILocalUser | null>);
+				() => this.usersRepository.findOneBy({ token }) as Promise<LocalUser | null>);
 	
 			if (user == null) {
 				throw new AuthenticationError('user not found');
@@ -70,7 +70,7 @@ export class AuthenticateService {
 			const user = await this.userCacheService.localUserByIdCache.fetch(accessToken.userId,
 				() => this.usersRepository.findOneBy({
 					id: accessToken.userId,
-				}) as Promise<ILocalUser>);
+				}) as Promise<LocalUser>);
 	
 			if (accessToken.appId) {
 				const app = await this.appCache.fetch(accessToken.appId,
diff --git a/packages/backend/src/server/api/SigninApiService.ts b/packages/backend/src/server/api/SigninApiService.ts
index d490097dea..f1164b9957 100644
--- a/packages/backend/src/server/api/SigninApiService.ts
+++ b/packages/backend/src/server/api/SigninApiService.ts
@@ -7,7 +7,7 @@ import { DI } from '@/di-symbols.js';
 import type { UserSecurityKeysRepository, SigninsRepository, UserProfilesRepository, AttestationChallengesRepository, UsersRepository } from '@/models/index.js';
 import type { Config } from '@/config.js';
 import { getIpHash } from '@/misc/get-ip-hash.js';
-import type { ILocalUser } from '@/models/entities/User.js';
+import type { LocalUser } from '@/models/entities/User.js';
 import { IdService } from '@/core/IdService.js';
 import { TwoFactorAuthenticationService } from '@/core/TwoFactorAuthenticationService.js';
 import { bindThis } from '@/decorators.js';
@@ -105,7 +105,7 @@ export class SigninApiService {
 		const user = await this.usersRepository.findOneBy({
 			usernameLower: username.toLowerCase(),
 			host: IsNull(),
-		}) as ILocalUser;
+		}) as LocalUser;
 
 		if (user == null) {
 			return error(404, {
diff --git a/packages/backend/src/server/api/SigninService.ts b/packages/backend/src/server/api/SigninService.ts
index c78d9f85cd..f821dbb500 100644
--- a/packages/backend/src/server/api/SigninService.ts
+++ b/packages/backend/src/server/api/SigninService.ts
@@ -3,7 +3,7 @@ import { DI } from '@/di-symbols.js';
 import type { SigninsRepository, UsersRepository } from '@/models/index.js';
 import type { Config } from '@/config.js';
 import { IdService } from '@/core/IdService.js';
-import type { ILocalUser } from '@/models/entities/User.js';
+import type { LocalUser } from '@/models/entities/User.js';
 import { GlobalEventService } from '@/core/GlobalEventService.js';
 import { SigninEntityService } from '@/core/entities/SigninEntityService.js';
 import { bindThis } from '@/decorators.js';
@@ -25,7 +25,7 @@ export class SigninService {
 	}
 
 	@bindThis
-	public signin(request: FastifyRequest, reply: FastifyReply, user: ILocalUser) {
+	public signin(request: FastifyRequest, reply: FastifyReply, user: LocalUser) {
 		setImmediate(async () => {
 			// Append signin history
 			const record = await this.signinsRepository.insert({
diff --git a/packages/backend/src/server/api/SignupApiService.ts b/packages/backend/src/server/api/SignupApiService.ts
index ffd7e203ea..41e8365d08 100644
--- a/packages/backend/src/server/api/SignupApiService.ts
+++ b/packages/backend/src/server/api/SignupApiService.ts
@@ -10,7 +10,7 @@ import { IdService } from '@/core/IdService.js';
 import { SignupService } from '@/core/SignupService.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
 import { EmailService } from '@/core/EmailService.js';
-import { ILocalUser } from '@/models/entities/User.js';
+import { LocalUser } from '@/models/entities/User.js';
 import { FastifyReplyError } from '@/misc/fastify-reply-error.js';
 import { bindThis } from '@/decorators.js';
 import { SigninService } from './SigninService.js';
@@ -194,7 +194,7 @@ export class SignupApiService {
 				emailVerifyCode: null,
 			});
 
-			return this.signinService.signin(request, reply, account as ILocalUser);
+			return this.signinService.signin(request, reply, account as LocalUser);
 		} catch (err) {
 			throw new FastifyReplyError(400, typeof err === 'string' ? err : (err as Error).toString());
 		}
diff --git a/packages/backend/src/server/api/endpoint-base.ts b/packages/backend/src/server/api/endpoint-base.ts
index 56dad62862..115526d997 100644
--- a/packages/backend/src/server/api/endpoint-base.ts
+++ b/packages/backend/src/server/api/endpoint-base.ts
@@ -1,7 +1,7 @@
 import * as fs from 'node:fs';
 import Ajv from 'ajv';
 import type { Schema, SchemaType } from '@/misc/schema.js';
-import type { ILocalUser } from '@/models/entities/User.js';
+import type { LocalUser } from '@/models/entities/User.js';
 import type { AccessToken } from '@/models/entities/AccessToken.js';
 import { ApiError } from './error.js';
 import type { IEndpointMeta } from './endpoints.js';
@@ -21,16 +21,16 @@ type File = {
 
 // TODO: paramsの型をT['params']のスキーマ定義から推論する
 type executor<T extends IEndpointMeta, Ps extends Schema> =
-	(params: SchemaType<Ps>, user: T['requireCredential'] extends true ? ILocalUser : ILocalUser | null, token: AccessToken | null, file?: File, cleanup?: () => any, ip?: string | null, headers?: Record<string, string> | null) =>
+	(params: SchemaType<Ps>, user: T['requireCredential'] extends true ? LocalUser : LocalUser | null, token: AccessToken | null, file?: File, cleanup?: () => any, ip?: string | null, headers?: Record<string, string> | null) =>
 		Promise<T['res'] extends undefined ? Response : SchemaType<NonNullable<T['res']>>>;
 
 export abstract class Endpoint<T extends IEndpointMeta, Ps extends Schema> {
-	public exec: (params: any, user: T['requireCredential'] extends true ? ILocalUser : ILocalUser | null, token: AccessToken | null, file?: File, ip?: string | null, headers?: Record<string, string> | null) => Promise<any>;
+	public exec: (params: any, user: T['requireCredential'] extends true ? LocalUser : LocalUser | null, token: AccessToken | null, file?: File, ip?: string | null, headers?: Record<string, string> | null) => Promise<any>;
 
 	constructor(meta: T, paramDef: Ps, cb: executor<T, Ps>) {
 		const validate = ajv.compile(paramDef);
 
-		this.exec = (params: any, user: T['requireCredential'] extends true ? ILocalUser : ILocalUser | null, token: AccessToken | null, file?: File, ip?: string | null, headers?: Record<string, string> | null) => {
+		this.exec = (params: any, user: T['requireCredential'] extends true ? LocalUser : LocalUser | null, token: AccessToken | null, file?: File, ip?: string | null, headers?: Record<string, string> | null) => {
 			let cleanup: undefined | (() => void) = undefined;
 	
 			if (meta.requireFile) {
diff --git a/packages/backend/src/server/api/endpoints/ap/show.ts b/packages/backend/src/server/api/endpoints/ap/show.ts
index e758c5e3fa..61e05531e6 100644
--- a/packages/backend/src/server/api/endpoints/ap/show.ts
+++ b/packages/backend/src/server/api/endpoints/ap/show.ts
@@ -3,7 +3,7 @@ import ms from 'ms';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import type { UsersRepository, NotesRepository } from '@/models/index.js';
 import type { Note } from '@/models/entities/Note.js';
-import type { ILocalUser, User } from '@/models/entities/User.js';
+import type { LocalUser, User } from '@/models/entities/User.js';
 import { isActor, isPost, getApId } from '@/core/activitypub/type.js';
 import type { SchemaType } from '@/misc/schema.js';
 import { ApResolverService } from '@/core/activitypub/ApResolverService.js';
@@ -114,7 +114,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 	 * URIからUserかNoteを解決する
 	 */
 	@bindThis
-	private async fetchAny(uri: string, me: ILocalUser | null | undefined): Promise<SchemaType<typeof meta['res']> | null> {
+	private async fetchAny(uri: string, me: LocalUser | null | undefined): Promise<SchemaType<typeof meta['res']> | null> {
 	// ブロックしてたら中断
 		const fetchedMeta = await this.metaService.fetch();
 		if (this.utilityService.isBlockedHost(fetchedMeta.blockedHosts, this.utilityService.extractDbHost(uri))) return null;
@@ -147,7 +147,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 	}
 
 	@bindThis
-	private async mergePack(me: ILocalUser | null | undefined, user: User | null | undefined, note: Note | null | undefined): Promise<SchemaType<typeof meta.res> | null> {
+	private async mergePack(me: LocalUser | null | undefined, user: User | null | undefined, note: Note | null | undefined): Promise<SchemaType<typeof meta.res> | null> {
 		if (user != null) {
 			return {
 				type: 'User',
diff --git a/packages/backend/src/server/api/endpoints/notes/polls/vote.ts b/packages/backend/src/server/api/endpoints/notes/polls/vote.ts
index d8e1a1149f..f734e4e778 100644
--- a/packages/backend/src/server/api/endpoints/notes/polls/vote.ts
+++ b/packages/backend/src/server/api/endpoints/notes/polls/vote.ts
@@ -1,7 +1,7 @@
 import { Not } from 'typeorm';
 import { Inject, Injectable } from '@nestjs/common';
 import type { UsersRepository, PollsRepository, PollVotesRepository } from '@/models/index.js';
-import type { IRemoteUser } from '@/models/entities/User.js';
+import type { RemoteUser } from '@/models/entities/User.js';
 import { IdService } from '@/core/IdService.js';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import { GetterService } from '@/server/api/GetterService.js';
@@ -160,7 +160,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 
 			// リモート投票の場合リプライ送信
 			if (note.userHost != null) {
-				const pollOwner = await this.usersRepository.findOneByOrFail({ id: note.userId }) as IRemoteUser;
+				const pollOwner = await this.usersRepository.findOneByOrFail({ id: note.userId }) as RemoteUser;
 
 				this.queueService.deliver(me, this.apRendererService.addContext(await this.apRendererService.renderVote(me, vote, note, poll, pollOwner)), pollOwner.inbox);
 			}
diff --git a/packages/backend/src/server/api/stream/channels/messaging.ts b/packages/backend/src/server/api/stream/channels/messaging.ts
index 92af6b591c..b544e297c5 100644
--- a/packages/backend/src/server/api/stream/channels/messaging.ts
+++ b/packages/backend/src/server/api/stream/channels/messaging.ts
@@ -1,6 +1,6 @@
 import { Inject, Injectable } from '@nestjs/common';
 import type { UserGroupJoiningsRepository, UsersRepository, MessagingMessagesRepository } from '@/models/index.js';
-import type { User, ILocalUser, IRemoteUser } from '@/models/entities/User.js';
+import type { User, LocalUser, RemoteUser } from '@/models/entities/User.js';
 import type { UserGroup } from '@/models/entities/UserGroup.js';
 import { MessagingService } from '@/core/MessagingService.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
@@ -89,7 +89,7 @@ class MessagingChannel extends Channel {
 					// リモートユーザーからのメッセージだったら既読配信
 					if (this.userEntityService.isLocalUser(this.user!) && this.userEntityService.isRemoteUser(this.otherparty!)) {
 						this.messagingMessagesRepository.findOneBy({ id: body.id }).then(message => {
-							if (message) this.messagingService.deliverReadActivity(this.user as ILocalUser, this.otherparty as IRemoteUser, message);
+							if (message) this.messagingService.deliverReadActivity(this.user as LocalUser, this.otherparty as RemoteUser, message);
 						});
 					}
 				} else if (this.groupId) {