diff --git a/src/services/drive/delete-file.ts b/src/services/drive/delete-file.ts
index c5c15ca20..c77b3996f 100644
--- a/src/services/drive/delete-file.ts
+++ b/src/services/drive/delete-file.ts
@@ -7,7 +7,7 @@ import perUserDriveChart from '../../services/chart/per-user-drive';
 import instanceChart from '../../services/chart/instance';
 import DriveFileWebpublic, { DriveFileWebpublicChunk } from '../../models/drive-file-webpublic';
 import Instance from '../../models/instance';
-import { isRemoteUser } from '../../models/user';
+import User, { isRemoteUser } from '../../models/user';
 
 export default async function(file: IDriveFile, isExpired = false) {
 	if (file.metadata.storage == 'minio') {
@@ -56,6 +56,12 @@ export default async function(file: IDriveFile, isExpired = false) {
 		$set: set
 	});
 
+	await Promise.all(['avatarId', 'bannerId', 'wallpaperId']
+		.map(target => User.find({ [target]: file._id })
+			.then(x => Promise.all(x.map(x => User.update({ _id: x._id }, {
+					$unset: { [target]: file._id }
+				}))))));
+
 	//#region サムネイルもあれば削除
 	const thumbnail = await DriveFileThumbnail.findOne({
 		'metadata.originalId': file._id