diff --git a/wxPython/wxPython/py/filling.py b/wxPython/wxPython/py/filling.py
index 1cd83355c7..6687d76e8a 100644
--- a/wxPython/wxPython/py/filling.py
+++ b/wxPython/wxPython/py/filling.py
@@ -34,6 +34,8 @@ DOCTYPES = ('BuiltinFunctionType', 'BuiltinMethodType', 'ClassType',
 SIMPLETYPES = [getattr(types, t) for t in dir(types) \
                if not t.startswith('_') and t not in DOCTYPES]
 
+del t
+
 try:
     COMMONTYPES.append(type(''.__repr__))  # Method-wrapper in version 2.2.x.
 except AttributeError: