diff --git a/test_security.py b/test_security.py
index 5068e1e..1bd48d9 100644
--- a/test_security.py
+++ b/test_security.py
@@ -15,7 +15,6 @@ from contextlib import contextmanager
 from pathlib import Path
 
 from security import (
-    DEFAULT_PKILL_PROCESSES,
     bash_security_hook,
     extract_commands,
     get_effective_commands,