diff --git a/Library/Homebrew/brew.h.rb b/Library/Homebrew/brew.h.rb
index 6a284b2921..3599090956 100644
--- a/Library/Homebrew/brew.h.rb
+++ b/Library/Homebrew/brew.h.rb
@@ -262,6 +262,8 @@ def cleanup name
       puts
     end
   end
+
+  prune # seems like a good time to do some additional cleanup
 end
 
 def clean f