diff --git a/.rubocop.yml b/.rubocop.yml
index f8f0069ea..00a028da6 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -186,11 +186,6 @@ Style/SymbolProc:
   Description: 'Use symbols as procs instead of blocks when possible.'
   Enabled: false
 
-Style/RedundantBegin:
-  Description: "Don't use begin blocks when they are not needed."
-  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#begin-implicit'
-  Enabled: false
-
 Style/SignalException:
   Description: 'Checks for proper usage of fail and raise.'
   StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#fail-method'
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 2f057ac77..d1476a309 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -282,96 +282,86 @@ class ApplicationController < ActionController::Base
 
   # model helper
   def model_create_render (object, params)
-    begin
 
-      # create object
-      generic_object = object.new( object.param_cleanup( params[object.to_app_model_url], true ) )
+    # create object
+    generic_object = object.new( object.param_cleanup( params[object.to_app_model_url], true ) )
 
-      # save object
-      generic_object.save!
+    # save object
+    generic_object.save!
 
-      # set relations
-      generic_object.param_set_associations( params )
+    # set relations
+    generic_object.param_set_associations( params )
 
-      model_create_render_item(generic_object)
-    rescue Exception => e
-      logger.error e.message
-      logger.error e.backtrace.inspect
-      render json: { error: e.message }, status: :unprocessable_entity
-    end
+    model_create_render_item(generic_object)
+  rescue Exception => e
+    logger.error e.message
+    logger.error e.backtrace.inspect
+    render json: { error: e.message }, status: :unprocessable_entity
   end
   def model_create_render_item (generic_object)
     render json: generic_object.attributes_with_associations, status: :created
   end
 
   def model_update_render (object, params)
-    begin
 
-      # find object
-      generic_object = object.find( params[:id] )
+    # find object
+    generic_object = object.find( params[:id] )
 
-      # save object
-      generic_object.update_attributes!( object.param_cleanup( params[object.to_app_model_url] ) )
+    # save object
+    generic_object.update_attributes!( object.param_cleanup( params[object.to_app_model_url] ) )
 
-      # set relations
-      generic_object.param_set_associations( params )
+    # set relations
+    generic_object.param_set_associations( params )
 
-      model_update_render_item( generic_object )
-    rescue Exception => e
-      logger.error e.message
-      logger.error e.backtrace.inspect
-      render json: { error: e.message }, status: :unprocessable_entity
-    end
+    model_update_render_item( generic_object )
+  rescue Exception => e
+    logger.error e.message
+    logger.error e.backtrace.inspect
+    render json: { error: e.message }, status: :unprocessable_entity
   end
   def model_update_render_item (generic_object)
     render json: generic_object.attributes_with_associations, status: :ok
   end
 
   def model_destory_render (object, params)
-    begin
-      generic_object = object.find( params[:id] )
-      generic_object.destroy
-      model_destory_render_item()
-    rescue Exception => e
-      logger.error e.message
-      logger.error e.backtrace.inspect
-      render json: { error: e.message }, status: :unprocessable_entity
-    end
+    generic_object = object.find( params[:id] )
+    generic_object.destroy
+    model_destory_render_item()
+  rescue Exception => e
+    logger.error e.message
+    logger.error e.backtrace.inspect
+    render json: { error: e.message }, status: :unprocessable_entity
   end
   def model_destory_render_item ()
     render json: {}, status: :ok
   end
 
   def model_show_render (object, params)
-    begin
 
-      if params[:full]
-        generic_object_full = object.full( params[:id] )
-        render json: generic_object_full, status: :ok
-        return
-      end
-
-      generic_object = object.find( params[:id] )
-      model_show_render_item(generic_object)
-    rescue Exception => e
-      logger.error e.message
-      logger.error e.backtrace.inspect
-      render json: { error: e.message }, status: :unprocessable_entity
+    if params[:full]
+      generic_object_full = object.full( params[:id] )
+      render json: generic_object_full, status: :ok
+      return
     end
+
+    generic_object = object.find( params[:id] )
+    model_show_render_item(generic_object)
+  rescue Exception => e
+    logger.error e.message
+    logger.error e.backtrace.inspect
+    render json: { error: e.message }, status: :unprocessable_entity
   end
   def model_show_render_item (generic_object)
     render json: generic_object.attributes_with_associations, status: :ok
   end
 
   def model_index_render (object, _params)
-    begin
-      generic_objects = object.all
-      model_index_render_result( generic_objects )
-    rescue Exception => e
-      logger.error e.message
-      logger.error e.backtrace.inspect
-      render json: { error: e.message }, status: :unprocessable_entity
-    end
+    generic_objects = object.all
+    model_index_render_result( generic_objects )
+  rescue Exception => e
+    logger.error e.message
+    logger.error e.backtrace.inspect
+    render json: { error: e.message }, status: :unprocessable_entity
   end
   def model_index_render_result (generic_objects)
     render json: generic_objects, status: :ok