diff --git a/README.md b/README.md
index 9a2f995a..e3478338 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Rails 3.2 Integration for Redactor (Devise Edition)
+# Rails 3.2 Integration for Redactor (NO Devise Edition)
 
 The redactor-rails gem integrates the [Redactor](http://redactorjs.com/) editor with the Rails 3.2 asset pipeline.
 
@@ -27,20 +27,11 @@ Or install it yourself as:
 
     $ rails generate redactor:install
 
-    or
-
-    $ rails generate redactor:install --devise
-
-    # --devise option generate user_id attribute for asset(Picture, Document) models. For more details show Devise gem.
-    # Now, Pictures and Documents uploading available only for signed in users
-    # All uploaded files will stored with current user_id
-    # User will choose only own uploaded Pictures and Documents
-
     $ rake db:migrate
 
 #### Mongoid + carrierwave
     gem "carrierwave"
-    gem "carrierwave-mongoid", :require => "carrierwave/mongoid"
+    gem "carrierwave-mongoid", require: "carrierwave/mongoid"
     gem "mini_magick"
 
     $ rails generate redactor:install
@@ -59,7 +50,7 @@ Add to your `application.css`:
 
 For each textarea that you want to use with Redactor, add the "redactor" class and ensure it has a unique ID:
 
-    <%= text_area_tag :editor, "", :class => "redactor", :rows => 40, :cols => 120 %>
+    <%= text_area_tag :editor, "", class: "redactor", rows: 40, cols: 120 %>
 
 ### Custom Your redactor
 
@@ -83,64 +74,6 @@ and
 Add to your layout
 
     <%= redactor_lang('zh_tw') %>
-    
-### Defining a Devise User Model
-
-By default redactor-rails uses the `User` model.
-
-You may use a different model by:
-
-1. Run a migration to update the user_id column in the 
-2. Overriding the user class in an initializer.
-3. Overriding the authentication helpers in your controller.
-
-    Create a new Migration: `rails g rename_user_id_to_new_user_id`
-    
-    ```
-    # db/migrate/...rename_user_id_to_new_user_id.rb
-    
-    class RenameUserIdToNewUserId < ActiveRecord::Migration
-      def up
-        rename_column :redactor_assets, :user_id, :admin_user_id
-      end
-    
-      def down
-        rename_column :redactor_assets, :admin_user_id, :user_id
-      end
-    end
-    ```
-
-    ```
-    # config/redactor.rb
-    # Overrides the user class
-    
-    module RedactorRails
-      def self.devise_user
-        %s(admin_user) # name of your user class
-      end
-      
-      # You may override this to support legacy schema.
-      # def self.devise_user_key
-      #   "#{self.devise_user.to_s}_id".to_sym
-      # end
-    end
-    ```
-    
-    ```
-    # app/controllers/application_controller.rb
-    
-    class ApplicationController < ActionController::Base
-      ...
-      
-      def redactor_authenticate_user!
-        authenticate_admin_user! # devise before_filter
-      end
-    
-      def redactor_current_user
-        current_admin_user # devise user helper
-      end
-    end
-    ```
 
 ## Contributing
 
diff --git a/app/controller/redactor_rails/base_controller.rb b/app/controller/redactor_rails/base_controller.rb
index b3c3068e..9096de2d 100644
--- a/app/controller/redactor_rails/base_controller.rb
+++ b/app/controller/redactor_rails/base_controller.rb
@@ -1,28 +1,20 @@
 class RedactorRails::BaseController < ApplicationController
 
   def index
-    redactor_authentification!
-    @redactors = controller_model.where(
-        controller_model.new.respond_to?(RedactorRails.devise_user) ? { RedactorRails.devise_user_key => redactor_current_user.id } : { }
-    )
-    render :json => @redactors.to_json
+    @redactors = controller_model.order :id 
+    render json: @redactors.to_json
   end
 
   def create
-    redactor_authentification!
     @redactor = controller_model.new
 
     file = params[:file]
     @redactor.data = RedactorRails::Http.normalize_param(file, request)
-    if @redactor.respond_to?(RedactorRails.devise_user)
-      @redactor.send("#{RedactorRails.devise_user}=", redactor_current_user)
-      @redactor.assetable = redactor_current_user
-    end
 
     if @redactor.save
-      render :text => { :filelink => @redactor.url }.to_json
+      render text: { filelink: @redactor.url }.to_json
     else
-      render :nothing => true
+      render nothing: true
     end
   end
 
@@ -32,7 +24,4 @@ def controller_model
     self.class.to_s.sub('Controller', '').singularize.constantize
   end
 
-  def redactor_authentification!
-    redactor_authenticate_user! if controller_model.new.respond_to?(RedactorRails.devise_user)
-  end
 end
diff --git a/config/routes.rb b/config/routes.rb
index 98e918c5..800f76b7 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1,4 +1,4 @@
 RedactorRails::Engine.routes.draw do
-  resources :pictures,  :only => [:index, :create]
-  resources :documents, :only => [:index, :create]
+  resources :pictures,  only: [:index, :create]
+  resources :documents, only: [:index, :create]
 end
diff --git a/lib/generators/redactor/config_generator.rb b/lib/generators/redactor/config_generator.rb
index ae28207d..03844948 100644
--- a/lib/generators/redactor/config_generator.rb
+++ b/lib/generators/redactor/config_generator.rb
@@ -5,13 +5,12 @@ class ConfigGenerator < ::Rails::Generators::Base
       desc "Generates redactor-rails config"
 
       def self.source_root
-	@source_root ||= File.expand_path(File.join(File.dirname(__FILE__), 'templates'))
+        @source_root ||= File.expand_path(File.join(File.dirname(__FILE__), 'templates'))
       end
 
 
       def create_config
-	template "config.js",
-	  File.join('app/assets/javascripts/redactor-rails', "config.js")
+        template "config.js", File.join('app/assets/javascripts/redactor-rails', "config.js")
       end
     end
   end
diff --git a/lib/generators/redactor/install_generator.rb b/lib/generators/redactor/install_generator.rb
index 0d8e2205..c57a68e0 100644
--- a/lib/generators/redactor/install_generator.rb
+++ b/lib/generators/redactor/install_generator.rb
@@ -6,68 +6,60 @@ class InstallGenerator < ::Rails::Generators::Base
       include ::Rails::Generators::Migration
       desc "Generates migration for Tag and Tagging models"
 
-      class_option :orm, :type => :string, :default => "active_record",
-  :desc => "Backend processor for upload support"
+      class_option :orm, type: :string, default: "active_record", desc: "Backend processor for upload support"
 
-      class_option :backend, :type => :string, :default => 'carrierwave',
-  :desc => "carrierwave(default)"
+      class_option :backend, type: :string, default: 'carrierwave', desc: "carrierwave(default)"
 
       def self.source_root
-  @source_root ||= File.expand_path(File.join(File.dirname(__FILE__), 'templates'))
+        @source_root ||= File.expand_path(File.join(File.dirname(__FILE__), 'templates'))
       end
 
       def self.next_migration_number(dirname)
-  Time.now.strftime("%Y%m%d%H%M%S")
+        Time.now.strftime("%Y%m%d%H%M%S")
       end
 
       def mount_engine
-  route "mount RedactorRails::Engine => '/redactor_rails'"
+        sroute "mount RedactorRails::Engine => '/redactor_rails'"
       end
 
       def create_models
-  [:asset, :picture, :document].each do |filename|
-    template "#{generator_dir}/redactor/#{filename}.rb",
-    File.join('app/models', redactor_dir, "#{filename}.rb")
-  end
+        [:asset, :picture, :document].each do |filename|
+          template "#{generator_dir}/redactor/#{filename}.rb", File.join('app/models', redactor_dir, "#{filename}.rb")
+        end
 
-  if backend == "carrierwave"
-    [:picture, :document].each do |filename|
-      template "#{uploaders_dir}/uploaders/redactor_rails_#{filename}_uploader.rb",
-        File.join("app/uploaders", "redactor_rails_#{filename}_uploader.rb")
-    end
-  end
+        if backend == "carrierwave"
+          [:picture, :document].each do |filename|
+            template "#{uploaders_dir}/uploaders/redactor_rails_#{filename}_uploader.rb", File.join("app/uploaders", "redactor_rails_#{filename}_uploader.rb")
+          end
+        end
       end
 
       def create_migration
         if orm.to_s == "active_record"
-          if ARGV.include?('--devise')
-            migration_template "#{generator_dir}/devise_migration.rb", File.join('db/migrate', "create_redactor_assets.rb")
-          else
-            migration_template "#{generator_dir}/migration.rb", File.join('db/migrate', "create_redactor_assets.rb")
-          end
+          migration_template "#{generator_dir}/migration.rb", File.join('db/migrate', "create_redactor_assets.rb")
         end
       end
 
       protected
 
       def redactor_dir
-  'redactor_rails'
+        'redactor_rails'
       end
 
       def generator_dir
-  @generator_dir ||= [orm, backend].join('/')
+        @generator_dir ||= [orm, backend].join('/')
       end
 
       def uploaders_dir
-  @uploaders_dir ||= ['base', 'carrierwave'].join('/')
+        @uploaders_dir ||= ['base', 'carrierwave'].join('/')
       end
 
       def orm
-  options[:orm] || "active_record"
+        options[:orm] || "active_record"
       end
 
       def backend
-  options[:backend] || "carrierwave"
+        options[:backend] || "carrierwave"
       end
 
     end
diff --git a/lib/generators/redactor/templates/active_record/carrierwave/devise_migration.rb b/lib/generators/redactor/templates/active_record/carrierwave/devise_migration.rb
deleted file mode 100644
index 3ff73259..00000000
--- a/lib/generators/redactor/templates/active_record/carrierwave/devise_migration.rb
+++ /dev/null
@@ -1,30 +0,0 @@
-class CreateRedactorAssets < ActiveRecord::Migration
-  def self.up
-    create_table :redactor_assets do |t|
-      t.integer :user_id
-      t.string  :data_file_name, :null => false
-      t.string  :data_content_type
-      t.integer :data_file_size
-
-      t.integer :assetable_id
-      t.string  :assetable_type, :limit => 30
-      t.string  :type, :limit => 30
-
-      # Uncomment	it to save images dimensions, if your need it
-      t.integer :width
-      t.integer :height
-
-      t.timestamps
-    end
-
-    # Uncomment it to add foreign key. gem 'foreigner' is required in your .Gemfile
-    # add_foreign_key(:redactor_assets, :users, dependent: :delete)
-    add_index "redactor_assets", ["assetable_type", "type", "assetable_id"], :name => "idx_redactor_assetable_type"
-    add_index "redactor_assets", ["assetable_type", "assetable_id"], :name => "idx_redactor_assetable"
-  end
-
-  def self.down
-    drop_table :redactor_assets
-  end
-end
-
diff --git a/lib/generators/redactor/templates/active_record/carrierwave/migration.rb b/lib/generators/redactor/templates/active_record/carrierwave/migration.rb
index 3ff73259..29374f6a 100644
--- a/lib/generators/redactor/templates/active_record/carrierwave/migration.rb
+++ b/lib/generators/redactor/templates/active_record/carrierwave/migration.rb
@@ -1,14 +1,13 @@
 class CreateRedactorAssets < ActiveRecord::Migration
-  def self.up
+  def change
     create_table :redactor_assets do |t|
-      t.integer :user_id
-      t.string  :data_file_name, :null => false
+      t.string  :data_file_name, null: false
       t.string  :data_content_type
       t.integer :data_file_size
 
       t.integer :assetable_id
-      t.string  :assetable_type, :limit => 30
-      t.string  :type, :limit => 30
+      t.string  :assetable_type, limit: 30
+      t.string  :type, limit: 30
 
       # Uncomment	it to save images dimensions, if your need it
       t.integer :width
@@ -19,12 +18,8 @@ def self.up
 
     # Uncomment it to add foreign key. gem 'foreigner' is required in your .Gemfile
     # add_foreign_key(:redactor_assets, :users, dependent: :delete)
-    add_index "redactor_assets", ["assetable_type", "type", "assetable_id"], :name => "idx_redactor_assetable_type"
-    add_index "redactor_assets", ["assetable_type", "assetable_id"], :name => "idx_redactor_assetable"
-  end
-
-  def self.down
-    drop_table :redactor_assets
+    add_index "redactor_assets", ["assetable_type", "type", "assetable_id"], name: "idx_redactor_assetable_type"
+    add_index "redactor_assets", ["assetable_type", "assetable_id"], name: "idx_redactor_assetable"
   end
 end
 
diff --git a/lib/generators/redactor/templates/active_record/carrierwave/redactor/asset.rb b/lib/generators/redactor/templates/active_record/carrierwave/redactor/asset.rb
index 99a3cf8d..22cb9f2b 100644
--- a/lib/generators/redactor/templates/active_record/carrierwave/redactor/asset.rb
+++ b/lib/generators/redactor/templates/active_record/carrierwave/redactor/asset.rb
@@ -1,5 +1,5 @@
 class RedactorRails::Asset < ActiveRecord::Base
   include RedactorRails::Orm::ActiveRecord::AssetBase
-  delegate :url, :current_path, :size, :content_type, :filename, :to => :data
+  delegate :url, :current_path, :size, :content_type, :filename, to: :data
   validates_presence_of :data
 end
diff --git a/lib/generators/redactor/templates/active_record/carrierwave/redactor/document.rb b/lib/generators/redactor/templates/active_record/carrierwave/redactor/document.rb
index 390a2909..136af529 100644
--- a/lib/generators/redactor/templates/active_record/carrierwave/redactor/document.rb
+++ b/lib/generators/redactor/templates/active_record/carrierwave/redactor/document.rb
@@ -1,5 +1,5 @@
 class RedactorRails::Document < RedactorRails::Asset
-  mount_uploader :data, RedactorRailsDocumentUploader, :mount_on => :data_file_name
+  mount_uploader :data, RedactorRailsDocumentUploader, mount_on: :data_file_name
 
   def url_content
     url(:content)
diff --git a/lib/generators/redactor/templates/active_record/carrierwave/redactor/picture.rb b/lib/generators/redactor/templates/active_record/carrierwave/redactor/picture.rb
index 9a6f812f..f86a353d 100644
--- a/lib/generators/redactor/templates/active_record/carrierwave/redactor/picture.rb
+++ b/lib/generators/redactor/templates/active_record/carrierwave/redactor/picture.rb
@@ -1,5 +1,5 @@
 class RedactorRails::Picture < RedactorRails::Asset
-  mount_uploader :data, RedactorRailsPictureUploader, :mount_on => :data_file_name
+  mount_uploader :data, RedactorRailsPictureUploader, mount_on: :data_file_name
 
   def url_content
     url(:content)
diff --git a/lib/generators/redactor/templates/base/carrierwave/uploaders/redactor_rails_picture_uploader.rb b/lib/generators/redactor/templates/base/carrierwave/uploaders/redactor_rails_picture_uploader.rb
index 99aadba1..19c3bf9e 100644
--- a/lib/generators/redactor/templates/base/carrierwave/uploaders/redactor_rails_picture_uploader.rb
+++ b/lib/generators/redactor/templates/base/carrierwave/uploaders/redactor_rails_picture_uploader.rb
@@ -32,11 +32,11 @@ def store_dir
 
   # Create different versions of your uploaded files:
   version :thumb do
-    process :resize_to_fill => [118, 100]
+    process resize_to_fill: [118, 100]
   end
 
   version :content do
-    process :resize_to_limit => [800, 800]
+    process resize_to_limit: [800, 800]
   end
 
   # Add a white list of extensions which are allowed to be uploaded.
diff --git a/lib/generators/redactor/templates/mongoid/carrierwave/redactor/asset.rb b/lib/generators/redactor/templates/mongoid/carrierwave/redactor/asset.rb
index fe059e44..6a67021a 100644
--- a/lib/generators/redactor/templates/mongoid/carrierwave/redactor/asset.rb
+++ b/lib/generators/redactor/templates/mongoid/carrierwave/redactor/asset.rb
@@ -4,6 +4,6 @@ class RedactorRails::Asset
 
   include RedactorRails::Orm::Mongoid::AssetBase
 
-  delegate :url, :current_path, :size, :content_type, :filename, :to => :data
+  delegate :url, :current_path, :size, :content_type, :filename, to: :data
   validates_presence_of :data
 end
diff --git a/lib/generators/redactor/templates/mongoid/carrierwave/redactor/document.rb b/lib/generators/redactor/templates/mongoid/carrierwave/redactor/document.rb
index f286f3a3..7e2cc243 100644
--- a/lib/generators/redactor/templates/mongoid/carrierwave/redactor/document.rb
+++ b/lib/generators/redactor/templates/mongoid/carrierwave/redactor/document.rb
@@ -1,5 +1,5 @@
 class RedactorRails::Document < RedactorRails::Asset
-  mount_uploader :data, RedactorRailsDocumentUploader, :mount_on => :data_file_name
+  mount_uploader :data, RedactorRailsDocumentUploader, mount_on: :data_file_name
 
   def url_content
     url(:content)
diff --git a/lib/generators/redactor/templates/mongoid/carrierwave/redactor/picture.rb b/lib/generators/redactor/templates/mongoid/carrierwave/redactor/picture.rb
index 9a6f812f..f86a353d 100644
--- a/lib/generators/redactor/templates/mongoid/carrierwave/redactor/picture.rb
+++ b/lib/generators/redactor/templates/mongoid/carrierwave/redactor/picture.rb
@@ -1,5 +1,5 @@
 class RedactorRails::Picture < RedactorRails::Asset
-  mount_uploader :data, RedactorRailsPictureUploader, :mount_on => :data_file_name
+  mount_uploader :data, RedactorRailsPictureUploader, mount_on: :data_file_name
 
   def url_content
     url(:content)
diff --git a/lib/redactor-rails.rb b/lib/redactor-rails.rb
index 11c2fa55..592f8120 100644
--- a/lib/redactor-rails.rb
+++ b/lib/redactor-rails.rb
@@ -7,7 +7,6 @@ module RedactorRails
   FILE_TYPES = ['application/msword', 'application/pdf', 'text/plain', 'text/rtf', 'application/vnd.ms-excel']
 
   autoload :Http, 'redactor-rails/http'
-  autoload :Devise, 'redactor-rails/devise'
 
   module Backend
     autoload :CarrierWave, 'redactor-rails/backend/carrierwave'
@@ -22,12 +21,4 @@ module Backend
   @@image_file_types = ["jpg", "jpeg", "png", "gif", "tiff"]
   @@document_file_types = ["pdf", "doc", "docx", "xls", "xlsx", "rtf", "txt"]
 
-
-  def self.devise_user
-    %s(user)
-  end
-
-  def self.devise_user_key
-    "#{self.devise_user.to_s}_id".to_sym
-  end
 end
diff --git a/lib/redactor-rails/devise.rb b/lib/redactor-rails/devise.rb
deleted file mode 100644
index 9b896701..00000000
--- a/lib/redactor-rails/devise.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-module RedactorRails
-  module Devise
-    def redactor_authenticate_user!
-      authenticate_user!
-    end
-
-    def redactor_current_user
-      current_user
-    end
-  end
-end
\ No newline at end of file
diff --git a/lib/redactor-rails/engine.rb b/lib/redactor-rails/engine.rb
index b40c4f35..16a7273e 100644
--- a/lib/redactor-rails/engine.rb
+++ b/lib/redactor-rails/engine.rb
@@ -6,9 +6,5 @@ class Engine < Rails::Engine
         include RedactorRails::Helpers
       end
     end
-
-    initializer "redactor_devise" do |app|
-      ActionController::Base.send :include, RedactorRails::Devise
-    end
   end
 end
diff --git a/lib/redactor-rails/orm/active_record.rb b/lib/redactor-rails/orm/active_record.rb
index 17ec426a..ca674c3e 100644
--- a/lib/redactor-rails/orm/active_record.rb
+++ b/lib/redactor-rails/orm/active_record.rb
@@ -14,8 +14,7 @@ def self.extended(base)
             base.class_eval do
               self.table_name = "redactor_assets"
 
-              belongs_to :assetable, :polymorphic => true
-              belongs_to RedactorRails.devise_user, :dependent => :destroy, :foreign_key => RedactorRails.devise_user_key
+              belongs_to :assetable, polymorphic: true
             end
           end
         end
diff --git a/lib/redactor-rails/orm/base.rb b/lib/redactor-rails/orm/base.rb
index f30f2108..f6af51e6 100644
--- a/lib/redactor-rails/orm/base.rb
+++ b/lib/redactor-rails/orm/base.rb
@@ -25,8 +25,8 @@ def as_json_methods
 
           def as_json(options = nil)
             options = {
-              :methods => as_json_methods,
-              :root => false
+              methods: as_json_methods,
+              root: false
             }
 
             super options
diff --git a/lib/redactor-rails/orm/mongoid.rb b/lib/redactor-rails/orm/mongoid.rb
index 9b6041c6..4effedcd 100644
--- a/lib/redactor-rails/orm/mongoid.rb
+++ b/lib/redactor-rails/orm/mongoid.rb
@@ -12,21 +12,21 @@ def self.included(base)
         module ClassMethods
           def self.extended(base)
             base.class_eval do
-              store_in :collection => 'redactor_assets'
+              store_in collection: 'redactor_assets'
 
-              belongs_to :assetable, :polymorphic => true
+              belongs_to :assetable, polymorphic: true
 
-              field :data_file_name, :type => String
-              field :data_content_type, :type => String
-              field :data_file_size, :type => Integer
+              field :data_file_name, type: String
+              field :data_content_type, type: String
+              field :data_file_size, type: Integer
 
-              field :type, :type => String
+              field :type, type: String
 
-              field :width, :type => Integer
-              field :height, :type => Integer
+              field :width, type: Integer
+              field :height, type: Integer
 
-              index( :assetable => 1, :type => 1 )
-              index( :assetable => 1 )
+              index( assetable: 1, type: 1 )
+              index( assetable: 1 )
 
             end
           end
diff --git a/lib/redactor-rails/version.rb b/lib/redactor-rails/version.rb
index 79d569eb..b5b879fa 100644
--- a/lib/redactor-rails/version.rb
+++ b/lib/redactor-rails/version.rb
@@ -1,3 +1,3 @@
 module RedactorRails
-  VERSION = "0.3.5"
+  VERSION = "0.4.0"
 end
diff --git a/redactor-rails.gemspec b/redactor-rails.gemspec
index d98db71b..15c717db 100644
--- a/redactor-rails.gemspec
+++ b/redactor-rails.gemspec
@@ -2,9 +2,9 @@
 require File.expand_path('../lib/redactor-rails/version', __FILE__)
 
 Gem::Specification.new do |gem|
-  gem.authors       = ["Sammy"]
-  gem.email         = ["sammylintw@gmail.com"]
-  gem.description   = "The redactor-rails gem integrates the Redactor editor"
+  gem.authors       = ["Sammy", "Serge"]
+  gem.email         = ["sammylintw@gmail.com", "sergeg1990@gmail.com"]
+  gem.description   = "The redactor-rails gem integrates the Redactor editor without devise"
   gem.summary       = ""
   gem.homepage      = "https://github.com/SammyLin/redactor-rails"
 
@@ -17,5 +17,4 @@ Gem::Specification.new do |gem|
 
   gem.add_dependency("mime-types")
   gem.add_dependency("orm_adapter")
-  gem.add_dependency("devise")
 end