diff --git a/actionpack/lib/action_controller/testing/performance.rb b/actionpack/lib/action_controller/testing/performance.rb
deleted file mode 100644
index d88180087d3cb013e4918cb73f611a005656fa1f..0000000000000000000000000000000000000000
--- a/actionpack/lib/action_controller/testing/performance.rb
+++ /dev/null
@@ -1,15 +0,0 @@
-require 'active_support/testing/performance'
-require 'active_support/testing/default'
-
-module ActionController
-  # An integration test that runs a code profiler on your test methods.
-  # Profiling output for combinations of each test method, measurement, and
-  # output format are written to your tmp/performance directory.
-  #
-  # By default, process_time is measured and both flat and graph_html output
-  # formats are written, so you'll have two output files per test method.
-  class PerformanceTest < ActionController::IntegrationTest
-    include ActiveSupport::Testing::Performance
-    include ActiveSupport::Testing::Default
-  end
-end
diff --git a/railties/lib/performance_test_help.rb b/railties/lib/performance_test_help.rb
index 5148b4ab77c39e71e6c61e722a50a18f03ec2dcd..2aaa21e85f8d1b871008f1f7d7c185fc95c18ba3 100644
--- a/railties/lib/performance_test_help.rb
+++ b/railties/lib/performance_test_help.rb
@@ -1,4 +1,4 @@
-require 'action_controller/performance_test'
+require 'action_controller/testing/performance_test'
 
 ActionController::Base.perform_caching = true
 ActiveSupport::Dependencies.mechanism = :require