registrations_controller.rb

class RegistrationsController < Devise::RegistrationsController
  layout false
end

route.rb

devise_for :owners, :controllers => { :registrations => "registrations" }

route.sh

new_user_session GET    /users/sign_in(.:format)       {:controller=>"devise/sessions", :action=>"new"}
        user_session POST   /users/sign_in(.:format)       {:controller=>"devise/sessions", :action=>"create"}
destroy_user_session DELETE /users/sign_out(.:format)      {:controller=>"devise/sessions", :action=>"destroy"}
       user_password POST   /users/password(.:format)      {:controller=>"devise/passwords", :action=>"create"}
   new_user_password GET    /users/password/new(.:format)  {:controller=>"devise/passwords", :action=>"new"}
  edit_user_password GET    /users/password/edit(.:format) {:controller=>"devise/passwords", :action=>"edit"}
                     PUT    /users/password(.:format)      {:controller=>"devise/passwords", :action=>"update"}
               users GET    /users(.:format)               {:controller=>"users", :action=>"index"}
                     POST   /users(.:format)               {:controller=>"users", :action=>"create"}
            new_user GET    /users/new(.:format)           {:controller=>"users", :action=>"new"}
           edit_user GET    /users/:id/edit(.:format)      {:controller=>"users", :action=>"edit"}
                user GET    /users/:id(.:format)           {:controller=>"users", :action=>"show"}
                     PUT    /users/:id(.:format)           {:controller=>"users", :action=>"update"}
                     DELETE /users/:id(.:format)           {:controller=>"users", :action=>"destroy"}
                root        /(.:format)                    {:controller=>"users", :action=>"index"}

https://github.com/plataformatec/devise/tree/v1.4/app/views/devise/registrations