diff -r da9e544c69d6 -r 378a025ff269 mercurial/repoview.py
--- a/mercurial/repoview.py	Tue Jan 08 12:41:51 2013 +0100
+++ b/mercurial/repoview.py	Tue Jan 08 14:10:29 2013 +0100
@@ -17,7 +17,9 @@
     During most operation hidden should be filtered."""
     assert not repo.changelog.filteredrevs
     if repo.obsstore:
-        return frozenset(repo.revs('hidden()'))
+        ### hide extinct changeset that are not accessible by any mean
+        hiddenquery = 'extinct() - ::(. + bookmark())'
+        return frozenset(repo.revs(hiddenquery))
     return frozenset()
 
 def computeunserved(repo):