diff --git a/hgext/largefiles/proto.py b/hgext/largefiles/proto.py
--- a/hgext/largefiles/proto.py
+++ b/hgext/largefiles/proto.py
@@ -93,7 +93,7 @@ def wirereposetup(ui, repo):
                         headers={'content-type':'application/mercurial-0.1'})
                     d, output = res.split('\n', 1)
                     for l in output.splitlines(True):
-                        self.ui.warn(_('remote: '), l, '\n')
+                        self.ui.warn(_('remote: '), l) # assume l ends with \n
                     return int(d)
                 except (ValueError, urllib2.HTTPError):
                     self.ui.warn(_('unexpected putlfile response: %r\n') % res)
diff --git a/tests/test-largefiles.t b/tests/test-largefiles.t
--- a/tests/test-largefiles.t
+++ b/tests/test-largefiles.t
@@ -1678,7 +1678,6 @@ Corrupt the cached largefile in r7 and m
   pushing to http://localhost:$HGPORT1/
   searching for changes
   remote: largefiles: failed to put 4cdac4d8b084d0b599525cf732437fb337d422a8 into store: largefile contents do not match hash
-  
   abort: remotestore: could not put $TESTTMP/r7/.hg/largefiles/4cdac4d8b084d0b599525cf732437fb337d422a8 to remote store http://localhost:$HGPORT1/ (glob)
   [255]
   $ mv 4cdac4d8b084d0b599525cf732437fb337d422a8 r7/.hg/largefiles/4cdac4d8b084d0b599525cf732437fb337d422a8