2 files changed, 1 insertions, 4 deletions
diff --git a/actionpack/lib/abstract_controller/rendering.rb b/actionpack/lib/abstract_controller/rendering.rb
index c74bbafdec..0a4b58de7f 100644
--- a/actionpack/lib/abstract_controller/rendering.rb
+++ b/actionpack/lib/abstract_controller/rendering.rb
@@ -50,6 +50,7 @@ module AbstractController
     # Return Content-Type of rendered content
     # :api: public
     def rendered_format
+      Mime::TEXT
     end
 
     DEFAULT_PROTECTED_INSTANCE_VARIABLES = %w(
diff --git a/actionpack/lib/action_controller/metal/rendering.rb b/actionpack/lib/action_controller/metal/rendering.rb
index 21224b9c3b..a853adec23 100644
--- a/actionpack/lib/action_controller/metal/rendering.rb
+++ b/actionpack/lib/action_controller/metal/rendering.rb
@@ -20,10 +20,6 @@ module ActionController
       end
     end
 
-    def rendered_format
-      Mime::TEXT
-    end
-
     class UnsupportedOperationError < StandardError
       def initialize
         super "Unsupported render operation. BasicRendering supports only :text and :nothing options. For more, you need to include ActionView."