diff -r 2d54aa5397cd -r ca38764e2f38 mercurial/bundle2.py
--- a/mercurial/bundle2.py	Sat Oct 18 01:09:41 2014 -0700
+++ b/mercurial/bundle2.py	Thu Nov 06 10:05:43 2014 +0000
@@ -871,7 +871,6 @@
 capabilities = {'HG2Y': (),
                 'b2x:listkeys': (),
                 'b2x:pushkey': (),
-                'b2x:changegroup': (),
                 'digests': tuple(sorted(util.DIGESTS.keys())),
                 'b2x:remote-changegroup': ('http', 'https'),
                }