--- a/MANIFEST.in	Wed Feb 01 16:23:11 2017 +0100
+++ b/MANIFEST.in	Tue Nov 01 05:42:50 2016 +0100
@@ -17,7 +17,6 @@
 include docs/tutorials/*.t
 include hgext/evolve.py
 include hgext/__init__.py
-include hgext/pushexperiment.py
 include hgext/simple4server.py
 include MANIFEST.in
 include README

--- a/README	Wed Feb 01 16:23:11 2017 +0100
+++ b/README	Tue Nov 01 05:42:50 2016 +0100
@@ -56,6 +56,10 @@
 Changelog
 =========
 
+6.0.0 --
+
+  - removed old (unpackaged) pushexperiment extension.
+
 5.6.0 -- 2017-02-01
 
  - compatibility with Mercurial 4.1.

--- a/hgext/pushexperiment.py	Wed Feb 01 16:23:11 2017 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,118 +0,0 @@
-"""Small extension altering some push behavior
-
-- Add a new wire protocol command to exchange obsolescence markers. Sending the
-  raw file as a binary instead of using pushkey hack.
-- Add a "push done" notification
-- Push obsolescence marker before anything else (This works around the lack
-of global transaction)
-
-"""
-
-import errno
-from StringIO import StringIO
-
-from mercurial.i18n import _
-from mercurial import error
-from mercurial import extensions
-from mercurial import wireproto
-from mercurial import obsolete
-from mercurial import localrepo
-
-
-def client_pushobsmarkers(self, obsfile):
-    """wireprotocol peer method"""
-    self.requirecap('_push_experiment_pushobsmarkers_0',
-                    _('push obsolete markers faster'))
-    ret, output = self._callpush('push_experiment_pushobsmarkers_0', obsfile)
-    for l in output.splitlines(True):
-        self.ui.status(_('remote: '), l)
-    return ret
-
-
-def srv_pushobsmarkers(repo, proto):
-    """wireprotocol command"""
-    fp = StringIO()
-    proto.redirect()
-    proto.getfile(fp)
-    data = fp.getvalue()
-    fp.close()
-    lock = repo.lock()
-    try:
-        tr = repo.transaction('pushkey: obsolete markers')
-        try:
-            repo.obsstore.mergemarkers(tr, data)
-            tr.close()
-        finally:
-            tr.release()
-    finally:
-        lock.release()
-    return wireproto.pushres(0)
-
-
-def syncpush(orig, repo, remote):
-    """wraper for obsolete.syncpush to use the fast way if possible"""
-    if not (obsolete.isenabled(repo, obsolete.exchangeopt) and
-            repo.obsstore):
-        return
-    if remote.capable('_push_experiment_pushobsmarkers_0'):
-        return # already pushed before changeset
-        remote.push_experiment_pushobsmarkers_0(obsfp)
-        return
-    return orig(repo, remote)
-
-
-def client_notifypushend(self):
-    """wire peer  command to notify a push is done"""
-    self.requirecap('_push_experiment_notifypushend_0',
-                    _('hook once push is all done'))
-    return self._call('push_experiment_notifypushend_0')
-
-
-def srv_notifypushend(repo, proto):
-    """wire protocol command to notify a push is done"""
-    proto.redirect()
-    repo.hook('notifypushend')
-    return wireproto.pushres(0)
-
-
-def augmented_push(orig, repo, remote, *args, **kwargs):
-    """push wrapped that call the wire protocol command"""
-    if not remote.canpush():
-        raise error.Abort(_("destination does not support push"))
-    if (obsolete.isenabled(repo, obsolete.exchangeopt) and repo.obsstore
-        and remote.capable('_push_experiment_pushobsmarkers_0')):
-        # push marker early to limit damage of pushing too early.
-        try:
-            obsfp = repo.svfs('obsstore')
-        except IOError as e:
-            if e.errno != errno.ENOENT:
-                raise
-        else:
-            remote.push_experiment_pushobsmarkers_0(obsfp)
-    ret = orig(repo, remote, *args, **kwargs)
-    if remote.capable('_push_experiment_notifypushend_0'):
-        remote.push_experiment_notifypushend_0()
-    return ret
-
-
-def capabilities(orig, repo, proto):
-    """wrapper to advertise new capability"""
-    caps = orig(repo, proto)
-    if obsolete.isenabled(repo, obsolete.exchangeopt):
-        caps += ' _push_experiment_pushobsmarkers_0'
-    caps += ' _push_experiment_notifypushend_0'
-    return caps
-
-
-def extsetup(ui):
-    wireproto.wirepeer.push_experiment_pushobsmarkers_0 = client_pushobsmarkers
-    wireproto.wirepeer.push_experiment_notifypushend_0 = client_notifypushend
-    wireproto.commands['push_experiment_pushobsmarkers_0'] = \
-        (srv_pushobsmarkers, '')
-    wireproto.commands['push_experiment_notifypushend_0'] = \
-        (srv_notifypushend, '')
-    extensions.wrapfunction(wireproto, 'capabilities', capabilities)
-    extensions.wrapfunction(obsolete, 'syncpush', syncpush)
-    extensions.wrapfunction(localrepo.localrepository, 'push', augmented_push)
-
-