diff -r 98ca9078807a -r f44187605315 mercurial/store.py
--- a/mercurial/store.py	Wed Sep 12 15:05:51 2018 -0700
+++ b/mercurial/store.py	Wed Sep 12 15:07:27 2018 -0700
@@ -585,10 +585,3 @@
             if e.startswith(path) and self._exists(e):
                 return True
         return False
-
-def store(requirements, path, vfstype):
-    if 'store' in requirements:
-        if 'fncache' in requirements:
-            return fncachestore(path, vfstype, 'dotencode' in requirements)
-        return encodedstore(path, vfstype)
-    return basicstore(path, vfstype)