diff --git a/Library/Homebrew/metafiles.rb b/Library/Homebrew/metafiles.rb
index 9870aea2b4..ffa2036f2b 100644
--- a/Library/Homebrew/metafiles.rb
+++ b/Library/Homebrew/metafiles.rb
@@ -5,10 +5,6 @@ class Metafiles
     news notes notice readme todo
   ]
 
-  def + other
-    @metafiles + other
-  end
-
   def should_copy? file
     include? file
   end