--- a/mercurial/changegroup.py	Tue May 02 18:56:07 2017 +0200
+++ b/mercurial/changegroup.py	Tue May 02 22:27:44 2017 +0200
@@ -409,7 +409,6 @@
                         # coming call to `destroyed` will repair it.
                         # In other case we can safely update cache on
                         # disk.
-                        repo.ui.debug('updating the branch cache\n')
                         branchmap.updatecache(repo.filtered('served'))
 
                     def runhooks():