diff --git a/src/signal_documentation/settings.py b/src/signal_documentation/settings.py
index c193f9a..be1db25 100644
--- a/src/signal_documentation/settings.py
+++ b/src/signal_documentation/settings.py
@@ -11,7 +11,6 @@
 """
 import os
 import sys
-from distutils.util import strtobool
 from pathlib import Path
 from typing import Any