2 files changed, 3 insertions, 3 deletions
diff --git a/railties/lib/rails/application/default_middleware_stack.rb b/railties/lib/rails/application/default_middleware_stack.rb
index 73c7defe7f..433a7ab41f 100644
--- a/railties/lib/rails/application/default_middleware_stack.rb
+++ b/railties/lib/rails/application/default_middleware_stack.rb
@@ -70,7 +70,8 @@ module Rails
           middleware.use ::Rack::Head
           middleware.use ::Rack::ConditionalGet
           middleware.use ::Rack::ETag, "no-cache"
-          middleware.use ::Rack::TempfileReaper
+
+          middleware.use ::Rack::TempfileReaper unless config.api_only
         end
       end
 
diff --git a/railties/test/application/middleware_test.rb b/railties/test/application/middleware_test.rb
index b9e4a9ccc0..5efaf841d4 100644
--- a/railties/test/application/middleware_test.rb
+++ b/railties/test/application/middleware_test.rb
@@ -70,8 +70,7 @@ module ApplicationTests
         "ActionDispatch::Callbacks",
         "Rack::Head",
         "Rack::ConditionalGet",
-        "Rack::ETag",
-        "Rack::TempfileReaper"
+        "Rack::ETag"
       ], middleware
     end