diff --git a/railties/test/application/assets_test.rb b/railties/test/application/assets_test.rb
index ad9e68adae..83a442c94e 100644
--- a/railties/test/application/assets_test.rb
+++ b/railties/test/application/assets_test.rb
@@ -17,10 +17,6 @@ module ApplicationTests
       teardown_app
     end
 
-    def app
-      @app ||= Rails.application
-    end
-
     def precompile!
       quietly do
         Dir.chdir(app_path){ `bundle exec rake assets:precompile` }