diff --git a/Lib/lib2to3/patcomp.py b/Lib/lib2to3/patcomp.py
index 00679b2238e826..49ed6680b6a70b 100644
--- a/Lib/lib2to3/patcomp.py
+++ b/Lib/lib2to3/patcomp.py
@@ -11,7 +11,6 @@
 __author__ = "Guido van Rossum <guido@python.org>"
 
 # Python imports
-import os
 import StringIO
 
 # Fairly local imports