diff --git a/sohstationviewer/conf/dbSettings.py b/sohstationviewer/conf/dbSettings.py
index 33738260cdf3f38ddc808312a08df9aa57caf1ea..d70a2593468f007b5aad6927ae75fd3dca6480b4 100755
--- a/sohstationviewer/conf/dbSettings.py
+++ b/sohstationviewer/conf/dbSettings.py
@@ -30,7 +30,6 @@ def modify_db_path():
         from sohstationviewer.conf.dbSettings import modify_db_path
         modify_db_path()
     """
-    global dbConf
     current_file_path = os.path.abspath(__file__)
     root = Path(current_file_path).parent.parent
     db_path = [x for x in root.glob('**/soh.db')][0]