diff --git a/mercurial/hg.py b/mercurial/hg.py
--- a/mercurial/hg.py
+++ b/mercurial/hg.py
@@ -289,7 +289,7 @@ def clone(ui, peeropts, source, dest=Non
             dircleanup = DirCleanup(dest)
 
         copy = False
-        if srcrepo.cancopy() and islocal(dest):
+        if srcrepo.cancopy() and islocal(dest) and not srcrepo.revs("secret()"):
             copy = not pull and not rev
 
         if copy:
diff --git a/mercurial/localrepo.py b/mercurial/localrepo.py
--- a/mercurial/localrepo.py
+++ b/mercurial/localrepo.py
@@ -637,10 +637,6 @@ class localrepository(repo.repository):
     def local(self):
         return self
 
-    def cancopy(self):
-        return (repo.repository.cancopy(self)
-                and not self._phaseroots[phases.secret])
-
     def join(self, f):
         return os.path.join(self.path, f)