diff --git a/packages/backend/src/queue/processors/DeleteAccountProcessorService.ts b/packages/backend/src/queue/processors/DeleteAccountProcessorService.ts
index 1893af5532..660e1d1ca4 100644
--- a/packages/backend/src/queue/processors/DeleteAccountProcessorService.ts
+++ b/packages/backend/src/queue/processors/DeleteAccountProcessorService.ts
@@ -4,13 +4,11 @@
  */
 
 import { Inject, Injectable } from '@nestjs/common';
-import { MoreThan } from 'typeorm';
 import { DI } from '@/di-symbols.js';
 import type { DriveFilesRepository, NotesRepository, UserProfilesRepository, UsersRepository } from '@/models/_.js';
 import type Logger from '@/logger.js';
 import { DriveService } from '@/core/DriveService.js';
-import type { MiDriveFile } from '@/models/DriveFile.js';
-import type { MiNote } from '@/models/Note.js';
+import type { MiUser } from '@/models/User.js';
 import { EmailService } from '@/core/EmailService.js';
 import { bindThis } from '@/decorators.js';
 import { SearchService } from '@/core/SearchService.js';
@@ -43,6 +41,50 @@ export class DeleteAccountProcessorService {
 		this.logger = this.queueLoggerService.logger.createSubLogger('delete-account');
 	}
 
+	private async deleteNotes(user: MiUser) {
+		while (true) {
+			const notes = await this.notesRepository.find({
+				where: {
+					userId: user.id,
+				},
+				take: 100,
+			});
+
+			if (notes.length === 0) {
+				break;
+			}
+
+			await this.notesRepository.delete(notes.map(note => note.id));
+
+			for (const note of notes) {
+				await this.searchService.unindexNote(note);
+			}
+		}
+
+		this.logger.succ('All of notes deleted');
+	}
+
+	private async deleteFiles(user: MiUser) {
+		while (true) {
+			const files = await this.driveFilesRepository.find({
+				where: {
+					userId: user.id,
+				},
+				take: 10,
+			});
+
+			if (files.length === 0) {
+				break;
+			}
+
+			for (const file of files) {
+				await this.driveService.deleteFileSync(file);
+			}
+		}
+
+		this.logger.succ('All of files deleted');
+	}
+
 	@bindThis
 	public async process(job: Bull.Job<DbUserDeleteJobData>): Promise<string | void> {
 		this.logger.info(`Deleting account of ${job.data.user.id} ...`);
@@ -52,70 +94,15 @@ export class DeleteAccountProcessorService {
 			return;
 		}
 
-		{ // Delete notes
-			let cursor: MiNote['id'] | null = null;
-
-			while (true) {
-				const notes = await this.notesRepository.find({
-					where: {
-						userId: user.id,
-						...(cursor ? { id: MoreThan(cursor) } : {}),
-					},
-					take: 100,
-					order: {
-						id: 1,
-					},
-				}) as MiNote[];
-
-				if (notes.length === 0) {
-					break;
-				}
-
-				cursor = notes[notes.length - 1].id;
-
-				await this.notesRepository.delete(notes.map(note => note.id));
-
-				for (const note of notes) {
-					await this.searchService.unindexNote(note);
-				}
-			}
-
-			this.logger.succ('All of notes deleted');
-		}
-
-		{ // Delete files
-			let cursor: MiDriveFile['id'] | null = null;
-
-			while (true) {
-				const files = await this.driveFilesRepository.find({
-					where: {
-						userId: user.id,
-						...(cursor ? { id: MoreThan(cursor) } : {}),
-					},
-					take: 10,
-					order: {
-						id: 1,
-					},
-				}) as MiDriveFile[];
-
-				if (files.length === 0) {
-					break;
-				}
-
-				cursor = files[files.length - 1].id;
-
-				for (const file of files) {
-					await this.driveService.deleteFileSync(file);
-				}
-			}
-
-			this.logger.succ('All of files deleted');
-		}
+		await Promise.all([
+			this.deleteNotes(user),
+			this.deleteFiles(user),
+		]);
 
 		{ // Send email notification
 			const profile = await this.userProfilesRepository.findOneByOrFail({ userId: user.id });
 			if (profile.email && profile.emailVerified) {
-				this.emailService.sendEmail(profile.email, 'Account deleted',
+				await this.emailService.sendEmail(profile.email, 'Account deleted',
 					'Your account has been deleted.',
 					'Your account has been deleted.');
 			}