diff --git a/mercurial/filelog.py b/mercurial/filelog.py
--- a/mercurial/filelog.py
+++ b/mercurial/filelog.py
@@ -27,8 +27,6 @@
         self.filename = path
         # Used by repo upgrade.
         self.index = self._revlog.index
-        # Used by verify.
-        self.version = self._revlog.version
         # Used by changegroup generation.
         self._generaldelta = self._revlog._generaldelta
 
diff --git a/mercurial/repository.py b/mercurial/repository.py
--- a/mercurial/repository.py
+++ b/mercurial/repository.py
@@ -737,12 +737,6 @@
 class ifilestorage(ifileindex, ifiledata, ifilemutation):
     """Complete storage interface for a single tracked file."""
 
-    version = interfaceutil.Attribute(
-        """Version number of storage.
-
-        TODO this feels revlog centric and could likely be removed.
-        """)
-
     _generaldelta = interfaceutil.Attribute(
         """Whether deltas can be against any parent revision.
 
diff --git a/tests/simplestorerepo.py b/tests/simplestorerepo.py
--- a/tests/simplestorerepo.py
+++ b/tests/simplestorerepo.py
@@ -109,8 +109,6 @@
         # This is used by changegroup code :/
         self._generaldelta = True
 
-        self.version = 1
-
     def _refreshindex(self):
         self._indexbynode.clear()
         self._indexbyrev.clear()