diff -r 59581b667cd7 -r fc24c10424d2 mercurial/posix.py
--- a/mercurial/posix.py	Thu Aug 23 18:19:19 2012 -0500
+++ b/mercurial/posix.py	Sat Aug 04 07:14:40 2012 +0200
@@ -10,7 +10,6 @@
 import os, sys, errno, stat, getpass, pwd, grp, tempfile, unicodedata
 
 posixfile = open
-nulldev = '/dev/null'
 normpath = os.path.normpath
 samestat = os.path.samestat
 oslink = os.link