diff --git a/packages/backend/src/core/entities/UserEntityService.ts b/packages/backend/src/core/entities/UserEntityService.ts
index 171dda8fd..6ae16613c 100644
--- a/packages/backend/src/core/entities/UserEntityService.ts
+++ b/packages/backend/src/core/entities/UserEntityService.ts
@@ -290,24 +290,6 @@ export class UserEntityService implements OnModuleInit {
 
 		const user = typeof src === 'object' ? src : await this.usersRepository.findOneByOrFail({ id: src });
 
-		// migration
-		if (user.avatarId != null && user.avatarUrl === null) {
-			const avatar = await this.driveFilesRepository.findOneByOrFail({ id: user.avatarId });
-			user.avatarUrl = this.driveFileEntityService.getPublicUrl(avatar, 'avatar');
-			this.usersRepository.update(user.id, {
-				avatarUrl: user.avatarUrl,
-				avatarBlurhash: avatar.blurhash,
-			});
-		}
-		if (user.bannerId != null && user.bannerUrl === null) {
-			const banner = await this.driveFilesRepository.findOneByOrFail({ id: user.bannerId });
-			user.bannerUrl = this.driveFileEntityService.getPublicUrl(banner);
-			this.usersRepository.update(user.id, {
-				bannerUrl: user.bannerUrl,
-				bannerBlurhash: banner.blurhash,
-			});
-		}
-
 		const meId = me ? me.id : null;
 		const isMe = meId === user.id;
 		const iAmModerator = me ? await this.roleService.isModerator(me as MiUser) : false;