1 files changed, 2 insertions, 4 deletions
diff --git a/activerecord/lib/active_record/serialization.rb b/activerecord/lib/active_record/serialization.rb
index bd9079b596..5a408e7b8e 100644
--- a/activerecord/lib/active_record/serialization.rb
+++ b/activerecord/lib/active_record/serialization.rb
@@ -1,5 +1,5 @@
 module ActiveRecord #:nodoc:
-  # = Active Record Serialization
+  # = Active Record \Serialization
   module Serialization
     extend ActiveSupport::Concern
     include ActiveModel::Serializers::JSON
@@ -11,12 +11,10 @@ module ActiveRecord #:nodoc:
     def serializable_hash(options = nil)
       options = options.try(:clone) || {}
 
-      options[:except] = Array(options[:except]).map { |n| n.to_s }
+      options[:except] = Array(options[:except]).map(&:to_s)
       options[:except] |= Array(self.class.inheritance_column)
 
       super(options)
     end
   end
 end
-
-require 'active_record/serializers/xml_serializer'