diff --git a/src/main.py b/src/main.py
index 02477e6..3b40ecd 100644
--- a/src/main.py
+++ b/src/main.py
@@ -16,7 +16,6 @@ def cleanup_old_logs(log_dir, max_age_hours=24):
         log_dir: Pfad zum Log-Verzeichnis
         max_age_hours: Maximales Alter der Log-Dateien in Stunden (Standard: 24)
     """
-    from datetime import datetime, timedelta
     import time
 
     if not log_dir.exists():