mercurial/filelog.py

--- a/mercurial/filelog.py	Tue Sep 18 17:57:36 2018 -0700
+++ b/mercurial/filelog.py	Tue Sep 18 18:03:41 2018 -0700
@@ -214,9 +214,6 @@
 
         return self._revlog.clone(tr, destrevlog._revlog, **kwargs)
 
-    def _addrevision(self, *args, **kwargs):
-        return self._revlog._addrevision(*args, **kwargs)
-
 class narrowfilelog(filelog):
     """Filelog variation to be used with narrow stores."""