alias :without :excluding

Delegation by splat arguments will allocates an extra array.

activerecord/lib/active_record/relation/query_methods.rb

@@ -1139,11 +1139,7 @@ module ActiveRecord
 
       spawn.excluding!(records)
     end
-
-    # Alias for #excluding.
-    def without(*records)
-      excluding(*records)
-    end
+    alias :without :excluding
 
     def excluding!(records) # :nodoc:
       predicates = [ predicate_builder[primary_key, records].invert ]

activesupport/lib/active_support/core_ext/array/access.rb

@@ -47,11 +47,7 @@ class Array
   def excluding(*elements)
     self - elements.flatten(1)
   end
-
-  # Alias for #excluding.
-  def without(*elements)
-    excluding(*elements)
-  end
+  alias :without :excluding
 
   # Equal to <tt>self[1]</tt>.
   #

activesupport/lib/active_support/core_ext/enumerable.rb

@@ -152,11 +152,7 @@ module Enumerable
     elements.flatten!(1)
     reject { |element| elements.include?(element) }
   end
-
-  # Alias for #excluding.
-  def without(*elements)
-    excluding(*elements)
-  end
+  alias :without :excluding
 
   # Extract the given key from each element in the enumerable.
   #