diff --git a/actionpack/lib/action_dispatch/middleware/callbacks.rb b/actionpack/lib/action_dispatch/middleware/callbacks.rb
index 852f1cf6f5d68a50c86eb50c9be60da935abecc0..baf9d5779e242576641f2d2eccff0ada89e25923 100644
--- a/actionpack/lib/action_dispatch/middleware/callbacks.rb
+++ b/actionpack/lib/action_dispatch/middleware/callbacks.rb
@@ -8,14 +8,14 @@ class Callbacks
 
     class << self
       delegate :to_prepare, :to_cleanup, :to => "ActionDispatch::Reloader"
-    end
 
-    def self.before(*args, &block)
-      set_callback(:call, :before, *args, &block)
-    end
+      def before(*args, &block)
+        set_callback(:call, :before, *args, &block)
+      end
 
-    def self.after(*args, &block)
-      set_callback(:call, :after, *args, &block)
+      def after(*args, &block)
+        set_callback(:call, :after, *args, &block)
+      end
     end
 
     def initialize(app)