diff --git a/Formula/mlton.rb b/Formula/mlton.rb
index f60fee3de77..ef07d4a10aa 100644
--- a/Formula/mlton.rb
+++ b/Formula/mlton.rb
@@ -27,8 +27,6 @@ class Mlton < Formula
   depends_on StandardHomebrewLocation
   depends_on 'gmp'
 
-  skip_clean :all
-
   def install
     cd "local" do
       # Remove OS X droppings