diff -r 6fb14d21fe9d -r 237e40b2c1ff hgext/mq.py
--- a/hgext/mq.py	Thu Sep 26 23:12:43 2013 +0200
+++ b/hgext/mq.py	Thu Sep 26 23:32:52 2013 +0200
@@ -89,6 +89,8 @@
     stripext = extensions.load(dummyui(), 'strip', '')
 
 checksubstate = stripext.checksubstate
+checklocalchanges = stripext.checklocalchanges
+
 
 # Patch names looks like unix-file names.
 # They must be joinable with queue directory and result in the patch path.
@@ -2909,18 +2911,6 @@
         q.savedirty()
     return 0
 
-def checklocalchanges(repo, force=False, excsuffix=''):
-    cmdutil.checkunfinished(repo)
-    m, a, r, d = repo.status()[:4]
-    if not force:
-        if (m or a or r or d):
-            _("local changes found") # i18n tool detection
-            raise util.Abort(_("local changes found" + excsuffix))
-        if checksubstate(repo):
-            _("local changed subrepos found") # i18n tool detection
-            raise util.Abort(_("local changed subrepos found" + excsuffix))
-    return m, a, r, d
-
 def strip(ui, repo, revs, update=True, backup="all", force=None):
     wlock = lock = None
     try: