1 files changed, 0 insertions, 7 deletions
diff --git a/actionpack/lib/abstract_controller/rendering_controller.rb b/actionpack/lib/abstract_controller/rendering_controller.rb
index 07deda77a2..0aae2b18e9 100644
--- a/actionpack/lib/abstract_controller/rendering_controller.rb
+++ b/actionpack/lib/abstract_controller/rendering_controller.rb
@@ -118,9 +118,6 @@ module AbstractController
         options[:_template_name] = options[:template]
       elsif options.key?(:file)
         options[:_template_name] = options[:file]
-      elsif !options.key?(:partial)
-        options[:_template_name] ||= options[:action]
-        options[:_prefix] = _prefix
       end
 
       name = (options[:_template_name] || action_name).to_s
@@ -138,10 +135,6 @@ module AbstractController
       view_paths.exists?(name, details, options[:_prefix], options[:_partial])
     end
 
-    def _prefix
-      self.class.name.underscore
-    end
-
     def with_template_cache(name)
       yield
     end