diff --git a/src/primaite/simulator/file_system/file_system.py b/src/primaite/simulator/file_system/file_system.py
index e9385644..79159e60 100644
--- a/src/primaite/simulator/file_system/file_system.py
+++ b/src/primaite/simulator/file_system/file_system.py
@@ -1,5 +1,5 @@
 from random import choice
-from typing import Dict, Optional, Union
+from typing import Dict, Optional
 
 from primaite import getLogger
 from primaite.simulator.core import SimComponent