diff --git a/railties/test/application/middleware_test.rb b/railties/test/application/middleware_test.rb
index 34b460d0a7b63..3e096e99f2a59 100644
--- a/railties/test/application/middleware_test.rb
+++ b/railties/test/application/middleware_test.rb
@@ -1,6 +1,4 @@
 require 'isolation/abstract_unit'
-require 'stringio'
-require 'rack/test'
 
 module ApplicationTests
   class MiddlewareTest < ActiveSupport::TestCase
diff --git a/railties/test/application/queue_test.rb b/railties/test/application/queue_test.rb
index a2041916e930b..c856089540797 100644
--- a/railties/test/application/queue_test.rb
+++ b/railties/test/application/queue_test.rb
@@ -1,5 +1,4 @@
 require 'isolation/abstract_unit'
-require 'rack/test'
 
 module ApplicationTests
   class QueueTest < ActiveSupport::TestCase