diff --git a/mercurial/localrepo.py b/mercurial/localrepo.py
--- a/mercurial/localrepo.py
+++ b/mercurial/localrepo.py
@@ -890,7 +890,7 @@ class localrepository(object):
 
     def _link(self, f):
         self.ui.deprecwarn("use 'repo.wvfs.islink' instead of 'repo._link'",
-                           '4.0')
+                           '4.2')
         return self.wvfs.islink(f)
 
     def _loadfilter(self, filter):