diff --git a/packages/backend/migration/1680375641101-clean-charts.js b/packages/backend/migration/1680375641101-clean-charts.js
new file mode 100644
index 0000000000..3fec0fef2a
--- /dev/null
+++ b/packages/backend/migration/1680375641101-clean-charts.js
@@ -0,0 +1,15 @@
+export class CleanCharts1680375641101 {
+    constructor() {
+        this.name = 'CleanCharts1680375641101';
+    }
+    async up(queryRunner) {
+        await queryRunner.query(`delete from __chart__hashtag where ___local_users = 0 and ___remote_users = 0;`);
+				await queryRunner.query(`delete from __chart_day__hashtag where ___local_users = 0 and ___remote_users = 0;`);
+				await queryRunner.query(`vacuum __chart__hashtag;`);
+				await queryRunner.query(`vacuum __chart_day__hashtag;`);
+    }
+    async down(queryRunner) {
+			await queryRunner.query(`vacuum __chart__hashtag;`);
+			await queryRunner.query(`vacuum __chart_day__hashtag;`);
+    }
+}