Remove unused method.
Remove unused method.

alexdebrie/pachyderm,ShengjieLuo/pachyderm,klucar/pachyderm,sambooo/pachyderm,sambooo/pachyderm,ShengjieLuo/pachyderm,klucar/pachyderm,alexdebrie/pachyderm,klucar/pachyderm,sambooo/pachyderm,ShengjieLuo/pachyderm,alexdebrie/pachyderm