2 files changed, 4 insertions, 9 deletions
diff --git a/actionpack/lib/action_controller/metal/compatibility.rb b/actionpack/lib/action_controller/metal/compatibility.rb
index de3354d4f9..9d1ff8cbe4 100644
--- a/actionpack/lib/action_controller/metal/compatibility.rb
+++ b/actionpack/lib/action_controller/metal/compatibility.rb
@@ -58,7 +58,8 @@ module ActionController
     end
 
     def method_for_action(action_name)
-      super || (respond_to?(:method_missing) && "_handle_method_missing")
+      super || ((self.class.public_method_defined?(:method_missing) ||
+        self.class.protected_method_defined?(:method_missing)) && "_handle_method_missing")
     end
   end
 end
diff --git a/actionpack/lib/action_controller/metal/hide_actions.rb b/actionpack/lib/action_controller/metal/hide_actions.rb
index b55c4643be..109484d88c 100644
--- a/actionpack/lib/action_controller/metal/hide_actions.rb
+++ b/actionpack/lib/action_controller/metal/hide_actions.rb
@@ -27,20 +27,14 @@ module ActionController
         self.hidden_actions = hidden_actions.dup.merge(args.map(&:to_s)).freeze
       end
 
-      def inherited(klass)
-        klass.class_eval { @visible_actions = {} }
-        super
-      end
-
       def visible_action?(action_name)
-        return @visible_actions[action_name] if @visible_actions.key?(action_name)
-        @visible_actions[action_name] = !hidden_actions.include?(action_name)
+        action_methods.include?(action_name)
       end
 
       # Overrides AbstractController::Base#action_methods to remove any methods
       # that are listed as hidden methods.
       def action_methods
-        @action_methods ||= Set.new(super.reject { |name| hidden_actions.include?(name) })
+        @action_methods ||= Set.new(super.reject { |name| hidden_actions.include?(name) }).freeze
       end
     end
   end