Remove railtie

lib/active_model_serializers.rb

@@ -25,8 +25,12 @@ end
 
 begin
   require 'action_controller'
-  require 'rails'
-  require 'railtie'
+  require 'action_controller/serialization'
+
+  ActiveSupport.on_load(:action_controller) do
+    include ::ActionController::Serialization
+  end
 rescue LoadError => ex
+  puts ex
   # rails on installed, continuing
 end

lib/railtie.rb

@@ -1,14 +0,0 @@
-require 'active_model_serializers'
-require 'action_controller/serialization'
-
-module ActiveModel
-  module Serialization
-    class Railtie < ::Rails::Railtie
-      initializer "active_model.serialization.action_controller" do
-        ActiveSupport.on_load(:action_controller) do
-          include ::ActionController::Serilization
-        end
-      end
-    end
-  end
-end

test/serialization_test.rb

@@ -39,8 +39,6 @@ class RenderJsonTest < ActionController::TestCase
   end
 
   class TestController < ActionController::Base
-    include ActionController::Serialization
-
     protect_from_forgery
 
     serialization_scope :current_user

test/test_helper.rb

@@ -7,6 +7,8 @@ require "active_model_serializers"
 require "active_support/json"
 require "test/unit"
 
+require 'rails'
+
 module TestHelper
   Routes = ActionDispatch::Routing::RouteSet.new
   Routes.draw do