diff --git a/Library/Homebrew/formula_support.rb b/Library/Homebrew/formula_support.rb
index 6118441e20..c792e2dd33 100644
--- a/Library/Homebrew/formula_support.rb
+++ b/Library/Homebrew/formula_support.rb
@@ -200,10 +200,6 @@ class BuildOptions
     @args.include? '--' + name
   end
 
-  def using? name
-    @args.include? '--' + name
-  end
-
   def head?
     @args.flag? '--HEAD'
   end