diff --git a/backend/scripts/check_migration_graph.py b/backend/scripts/check_migration_graph.py
index 444583f3..30dc9f67 100644
--- a/backend/scripts/check_migration_graph.py
+++ b/backend/scripts/check_migration_graph.py
@@ -9,7 +9,6 @@ Checks:
 from __future__ import annotations
 
 import os
-import sys
 from pathlib import Path
 
 from alembic.config import Config