diff --git a/actionpack/lib/action_dispatch/middleware/stack.rb b/actionpack/lib/action_dispatch/middleware/stack.rb
index 24be4fee557f9..0dc1d70e37eee 100644
--- a/actionpack/lib/action_dispatch/middleware/stack.rb
+++ b/actionpack/lib/action_dispatch/middleware/stack.rb
@@ -60,9 +60,7 @@ def ==(middleware)
       end
 
       def inspect
-        str = klass.to_s
-        args.each { |arg| str += ", #{build_args.inspect}" }
-        str
+        klass.to_s
       end
 
       def build(app)
diff --git a/railties/builtin/rails_info/rails/info.rb b/railties/builtin/rails_info/rails/info.rb
index 269fe488b042b..90c9015fcfaab 100644
--- a/railties/builtin/rails_info/rails/info.rb
+++ b/railties/builtin/rails_info/rails/info.rb
@@ -114,7 +114,7 @@ def git_info
     end
 
     property 'Middleware' do
-      Rails.configuration.middleware.active.map { |middle| middle.inspect }
+      Rails.configuration.middleware.active.map(&:inspect)
     end
 
     # The Rails Git revision, if it's checked out into vendor/rails.
diff --git a/railties/lib/rails/tasks/middleware.rake b/railties/lib/rails/tasks/middleware.rake
index e1ab309157683..5a5bd7a7e9f4c 100644
--- a/railties/lib/rails/tasks/middleware.rake
+++ b/railties/lib/rails/tasks/middleware.rake
@@ -3,5 +3,5 @@ task :middleware => :environment do
   Rails.configuration.middleware.active.each do |middleware|
     puts "use #{middleware.inspect}"
   end
-  puts "run ActionController::Routing::Routes"
+  puts "run #{Rails.application.class.name}"
 end