diff --git a/esbo_etc/classes/Config.py b/esbo_etc/classes/Config.py
index ab4be1f..07382a2 100644
--- a/esbo_etc/classes/Config.py
+++ b/esbo_etc/classes/Config.py
@@ -10,7 +10,6 @@ from ..classes import optical_component as oc
 from ..classes import sensor as sensor
 import difflib
 import os.path
-from typing import Union
 
 
 class Configuration(object):