diff -r f715faeaceee -r 22edd5321489 mercurial/commands.py
--- a/mercurial/commands.py	Mon May 14 12:38:05 2018 +0200
+++ b/mercurial/commands.py	Fri Jun 01 23:33:17 2018 -0400
@@ -3736,7 +3736,6 @@
 
     if opts.get('bookmarks'):
         dest = path.pushloc or path.loc
-        dest, branches = hg.parseurl(dest, opts.get('branch'))
         other = hg.peer(repo, opts, dest)
         if 'bookmarks' not in other.listkeys('namespaces'):
             ui.warn(_("remote doesn't support bookmarks\n"))