diff -r a8e6ab7eb361 -r d7e78e6d97bd hgext/convert/common.py
--- a/hgext/convert/common.py	Sat Feb 08 10:41:17 2014 +0100
+++ b/hgext/convert/common.py	Fri Feb 07 17:26:28 2014 +0100
@@ -192,10 +192,6 @@
         self.path = path
         self.created = []
 
-    def getheads(self):
-        """Return a list of this repository's heads"""
-        raise NotImplementedError
-
     def revmapfile(self):
         """Path to a file that will contain lines
         source_rev_id sink_rev_id