diff --git a/Tools/unittestgui/unittestgui.py b/Tools/unittestgui/unittestgui.py
index c3b5fa45842..4fc5930adbb 100755
--- a/Tools/unittestgui/unittestgui.py
+++ b/Tools/unittestgui/unittestgui.py
@@ -54,7 +54,6 @@ class BaseGUITestRunner(object):
     def __init__(self, *args, **kwargs):
         self.currentResult = None
         self.running = 0
-        self.__rollbackImporter = None
         self.__rollbackImporter = RollbackImporter()
         self.test_suite = None