diff --git a/offlineimap/ui/UIBase.py b/offlineimap/ui/UIBase.py
index dace655..1013a98 100644
--- a/offlineimap/ui/UIBase.py
+++ b/offlineimap/ui/UIBase.py
@@ -19,7 +19,6 @@ import logging
 import re
 import time
 import sys
-import os
 import traceback
 import threading
 try: