diff --git a/src/Db/Db.py b/src/Db/Db.py
index fa511e3f..b2844900 100644
--- a/src/Db/Db.py
+++ b/src/Db/Db.py
@@ -8,7 +8,6 @@ import atexit
 import sys
 
 import gevent
-from gevent._threading import Lock
 
 from Debug import Debug
 from .DbCursor import DbCursor