diff -r 5dcc58649b1a -r 37f46575d9c2 mercurial/localrepo.py
--- a/mercurial/localrepo.py	Thu Aug 07 14:41:00 2014 -0700
+++ b/mercurial/localrepo.py	Thu Aug 07 14:11:36 2014 -0700
@@ -1089,8 +1089,6 @@
             return l
 
         def unlock():
-            if hasunfilteredcache(self, '_phasecache'):
-                self._phasecache.write()
             for k, ce in self._filecache.items():
                 if k == 'dirstate' or k not in self.__dict__:
                     continue