diff --git a/packages/backend/migration/1655793461890-thread-mute-notifications.js b/packages/backend/migration/1655793461890-thread-mute-notifications.js
deleted file mode 100644
index 59611b7e6d..0000000000
--- a/packages/backend/migration/1655793461890-thread-mute-notifications.js
+++ /dev/null
@@ -1,11 +0,0 @@
-export class threadMuteNotifications1655793461890 {
-	name = 'threadMuteNotifications1655793461890'
-
-	async up(queryRunner) {
-		await queryRunner.query(`ALTER TABLE "note_thread_muting" ADD "mutingNotificationTypes" "public"."note_thread_muting_mutingnotificationtypes_enum" array NOT NULL DEFAULT '{}'`);
-	}
-
-	async down(queryRunner) {
-		await queryRunner.query(`ALTER TABLE "note_thread_muting" DROP COLUMN "mutingNotificationTypes"`);
-	}
-}