diff --git a/Library/Homebrew/cmd/cleanup.rb b/Library/Homebrew/cmd/cleanup.rb
index 0f8a6b29b7..d57a13b3b2 100644
--- a/Library/Homebrew/cmd/cleanup.rb
+++ b/Library/Homebrew/cmd/cleanup.rb
@@ -33,7 +33,7 @@ module Homebrew extend self
   end
 
   def cleanup_formula f
-    if f.installed? and f.rack.directory?
+    if f.installed?
       f.rack.children.each do |keg|
         if File.directory? keg and f.version > Keg.new(keg).version
           if f.can_cleanup?