diff --git a/packages/backend/src/queue/processors/DeleteAccountProcessorService.ts b/packages/backend/src/queue/processors/DeleteAccountProcessorService.ts
index 7132b5841b..b95b89d6ce 100644
--- a/packages/backend/src/queue/processors/DeleteAccountProcessorService.ts
+++ b/packages/backend/src/queue/processors/DeleteAccountProcessorService.ts
@@ -4,9 +4,9 @@
  */
 
 import { Inject, Injectable } from '@nestjs/common';
-import { In, MoreThan } from 'typeorm';
+import { In, IsNull, MoreThan } from 'typeorm';
 import { DI } from '@/di-symbols.js';
-import type { DriveFilesRepository, NoteReactionsRepository, NotesRepository, UserProfilesRepository, UsersRepository, NoteScheduleRepository, MiNoteSchedule, FollowingsRepository, FollowRequestsRepository, BlockingsRepository, MutingsRepository, ClipsRepository, ClipNotesRepository, LatestNotesRepository, NoteEditsRepository, NoteFavoritesRepository, PollVotesRepository, PollsRepository, SigninsRepository, UserIpsRepository, RegistryItemsRepository } from '@/models/_.js';
+import type { DriveFilesRepository, NoteReactionsRepository, NotesRepository, UserProfilesRepository, UsersRepository, NoteScheduleRepository, MiNoteSchedule, FollowingsRepository, FollowRequestsRepository, BlockingsRepository, MutingsRepository, ClipsRepository, ClipNotesRepository, LatestNotesRepository, NoteEditsRepository, NoteFavoritesRepository, PollVotesRepository, PollsRepository, SigninsRepository, UserIpsRepository, RegistryItemsRepository, MiUser } from '@/models/_.js';
 import type Logger from '@/logger.js';
 import { DriveService } from '@/core/DriveService.js';
 import type { MiDriveFile } from '@/models/DriveFile.js';
@@ -19,6 +19,7 @@ import { ApLogService } from '@/core/ApLogService.js';
 import { ReactionService } from '@/core/ReactionService.js';
 import { QueueService } from '@/core/QueueService.js';
 import { CacheService } from '@/core/CacheService.js';
+import { NoteDeleteService } from '@/core/NoteDeleteService.js';
 import { QueueLoggerService } from '@/queue/QueueLoggerService.js';
 import { ApPersonService } from '@/core/activitypub/models/ApPersonService.js';
 import * as Acct from '@/misc/acct.js';
@@ -99,6 +100,7 @@ export class DeleteAccountProcessorService {
 		private readonly apLogService: ApLogService,
 		private readonly cacheService: CacheService,
 		private readonly apPersonService: ApPersonService,
+		private readonly noteDeleteService: NoteDeleteService,
 	) {
 		this.logger = this.queueLoggerService.logger.createSubLogger('delete-account');
 	}
@@ -293,11 +295,12 @@ export class DeleteAccountProcessorService {
 				const notes = await this.notesRepository.find({
 					where: {
 						userId: user.id,
+						replyId: IsNull(),
 						...(cursor ? { id: MoreThan(cursor) } : {}),
 					},
 					take: 100,
 					order: {
-						id: 1,
+						id: 'desc',
 					},
 				}) as MiNote[];
 
@@ -318,6 +321,16 @@ export class DeleteAccountProcessorService {
 
 				const ids = notes.map(note => note.id);
 
+				const replies = await this.notesRepository.find({
+					where: { replyId: In(ids) },
+					relations: { user: true },
+				});
+
+				// Delete replies through the usual service to ensure we get all "cascading notes" logic.
+				for (const reply of replies) {
+					await this.noteDeleteService.delete(reply.user as MiUser, reply);
+				}
+
 				await this.noteEditsRepository.delete({
 					noteId: In(ids),
 				});