The asset pipeline is always on for new apps, dont need the legacy js ext stuff

railties/lib/rails/generators/rails/app/templates/config/application.rb

@@ -39,17 +39,6 @@ class Application < Rails::Application
     # config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}').to_s]
     # config.i18n.default_locale = :de
 
-    # Please note that JavaScript expansions are *ignored altogether* if the asset
-    # pipeline is enabled (see config.assets.enabled below). Put your defaults in
-    # app/assets/javascripts/application.js in that case.
-    #
-    # JavaScript files you want as :defaults (application.js is always included).
-<% if options[:skip_javascript] -%>
-    # config.action_view.javascript_expansions[:defaults] = %w()
-<% else -%>
-    # config.action_view.javascript_expansions[:defaults] = %w(prototype prototype_ujs)
-<% end -%>
-
     # Configure the default encoding used in templates for Ruby 1.9.
     config.encoding = "utf-8"