1 files changed, 10 insertions, 12 deletions
diff --git a/activejob/lib/active_job/serializers/duration_serializer.rb b/activejob/lib/active_job/serializers/duration_serializer.rb
index 46543cc30d..94b0d0407a 100644
--- a/activejob/lib/active_job/serializers/duration_serializer.rb
+++ b/activejob/lib/active_job/serializers/duration_serializer.rb
@@ -1,24 +1,22 @@
 module ActiveJob
   module Serializers
-    class DurationSerializer < ObjectSerializer
-      class << self
-        def serialize(duration)
-          super("value" => duration.value, "parts" => Serializers.serialize(duration.parts))
-        end
+    class DurationSerializer < ObjectSerializer # :nodoc:
+      def serialize(duration)
+        super("value" => duration.value, "parts" => Serializers.serialize(duration.parts))
+      end
 
-        def deserialize(hash)
-          value = hash["value"]
-          parts = Serializers.deserialize(hash["parts"])
+      def deserialize(hash)
+        value = hash["value"]
+        parts = Serializers.deserialize(hash["parts"])
 
-          klass.new(value, parts)
-        end
+        klass.new(value, parts)
+      end
 
-        private
+      private
 
         def klass
           ActiveSupport::Duration
         end
-      end
     end
   end
 end