--- a/contrib/perf.py	Mon Jul 01 20:48:55 2013 +0200
+++ b/contrib/perf.py	Mon Jul 01 20:48:56 2013 +0200
@@ -175,7 +175,7 @@
 def perfmanifest(ui, repo):
     def d():
         t = repo.manifest.tip()
-        m = repo.manifest.read(t)
+        repo.manifest.read(t)
         repo.manifest.mapcache = None
         repo.manifest._cache = None
     timer(d)
@@ -184,7 +184,7 @@
 def perfchangeset(ui, repo, rev):
     n = repo[rev].node()
     def d():
-        c = repo.changelog.read(n)
+        repo.changelog.read(n)
         #repo.changelog._cache = None
     timer(d)