diff --git a/lib/extensions/array.rb b/lib/extensions/array.rb
index <HASH>..<HASH> 100644
--- a/lib/extensions/array.rb
+++ b/lib/extensions/array.rb
@@ -2,8 +2,4 @@ class Array
   def rand
     self[Kernel.rand(length)]
   end
-  
-  def shuffle
-    self.sort_by{Kernel.rand}
-  end
-end
\ No newline at end of file
+end
shuffle exists in <I> and <I>, so remove it