diff -r e948ad0dcbe2 -r 29e3e46b0a22 mercurial/bundle2.py
--- a/mercurial/bundle2.py	Sat Jan 16 00:03:18 2021 +0100
+++ b/mercurial/bundle2.py	Wed Jan 27 22:10:57 2021 -0800
@@ -2536,8 +2536,6 @@
     for r in repo.revs(b"::%ln", common):
         commonnodes.add(cl.node(r))
     if commonnodes:
-        # XXX: we should only send the filelogs (and treemanifest). user
-        # already has the changelog and manifest
         packer = changegroup.getbundler(
             cgversion,
             repo,