--- a/hgext/evolve.py	Wed Aug 27 17:55:20 2014 +0200
+++ b/hgext/evolve.py	Wed Aug 27 17:49:08 2014 +0200
@@ -2337,29 +2337,6 @@
 
 
 _pushkeyescape = getattr(obsolete, '_pushkeyescape', None)
-if _pushkeyescape is None:
-    _maxpayload = 5300
-    def _pushkeyescape(markers):
-        """encode markers into a dict suitable for pushkey exchange
-
-        - binary data are base86 encoded
-        - splited in chunk less than 5300 bytes"""
-        parts = []
-        currentlen = _maxpayload * 2  # ensure we create a new part
-        for marker in markers:
-            nextdata = obsolete._encodeonemarker(marker)
-            if (len(nextdata) + currentlen > _maxpayload):
-                currentpart = []
-                currentlen = 0
-                parts.append(currentpart)
-            currentpart.append(nextdata)
-            currentlen += len(nextdata)
-        keys = {}
-        for idx, part in enumerate(reversed(parts)):
-            data = ''.join([_pack('>B', 0)] + part)
-            keys['dump%i' % idx] = base85.b85encode(data)
-        return keys
-
 def _encodemarkersstream(fp, markers):
     fp.write(_pack('>B', 0))
     for mark in markers: