diff --git a/Library/Homebrew/keg.rb b/Library/Homebrew/keg.rb
index fb6996cdd1..269999bc3d 100644
--- a/Library/Homebrew/keg.rb
+++ b/Library/Homebrew/keg.rb
@@ -22,7 +22,6 @@ class Keg < Pathname
   end
 
   def uninstall
-    chmod_R 0777 # ensure we have permission to delete
     rmtree
     parent.rmdir_if_possible
   end