diff --git a/package.json b/package.json
index 0112967b43..9323ab0ea3 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "misskey",
 	"author": "syuilo <i@syuilo.com>",
-	"version": "8.33.0",
+	"version": "8.33.1",
 	"clientVersion": "1.0.9497",
 	"codename": "nighthike",
 	"main": "./built/index.js",
diff --git a/src/models/note.ts b/src/models/note.ts
index 98d37caf22..181ebecf24 100644
--- a/src/models/note.ts
+++ b/src/models/note.ts
@@ -21,16 +21,6 @@ Note.createIndex('_files.contentType');
 Note.createIndex({
 	createdAt: -1
 });
-
-// 後方互換性のため
-Note.update({}, {
-	$rename: {
-		mediaIds: 'fileIds'
-	}
-}, {
-	multi: true
-});
-
 export default Note;
 
 export function isValidText(text: string): boolean {