diff -r b441296f8e9c -r 6fa245f80b6f mercurial/localrepo.py
--- a/mercurial/localrepo.py	Thu Jun 15 13:47:54 2017 -0700
+++ b/mercurial/localrepo.py	Thu Jun 15 15:13:18 2017 -0700
@@ -212,9 +212,6 @@
     def lock(self):
         return self._repo.lock()
 
-    def addchangegroup(self, cg, source, url):
-        return cg.apply(self._repo, source, url)
-
     def pushkey(self, namespace, key, old, new):
         return self._repo.pushkey(namespace, key, old, new)