diff --git a/openflexure_microscope/rescue/check_settings.py b/openflexure_microscope/rescue/check_settings.py
index 26203a32..a2e185a6 100644
--- a/openflexure_microscope/rescue/check_settings.py
+++ b/openflexure_microscope/rescue/check_settings.py
@@ -1,6 +1,5 @@
 import json
 import logging
-from typing import List
 
 from .error_sources import ErrorSource