diff --git a/Library/Homebrew/extend/ARGV.rb b/Library/Homebrew/extend/ARGV.rb
index e3cb6da7a3..23a66004ff 100644
--- a/Library/Homebrew/extend/ARGV.rb
+++ b/Library/Homebrew/extend/ARGV.rb
@@ -13,7 +13,6 @@ module HomebrewArgvExtension
   end
 
   def kegs
-    rack = nil
     require 'keg'
     require 'formula'
     @kegs ||= downcased_unique_named.collect do |name|