Return a valid Rack response from bare ActionController::Metal

1 files changed, 1 insertions, 13 deletions

diff --git a/actionpack/lib/abstract_controller/rendering.rb b/actionpack/lib/abstract_controller/rendering.rb
index eec7e520fa..402ad7c8d7 100644
--- a/actionpack/lib/abstract_controller/rendering.rb
+++ b/actionpack/lib/abstract_controller/rendering.rb
@@ -76,7 +76,7 @@ module AbstractController
     # :api: plugin
     def render_to_string(options={})
       _normalize_options(options)
-      AbstractController::Rendering.body_to_s(render_to_body(options))
+      render_to_body(options)
     end
 
     # Find and renders a template based on the options given.
@@ -90,18 +90,6 @@ module AbstractController
       controller_path
     end
 
-    # Return a string representation of a Rack-compatible response body.
-    def self.body_to_s(body)
-      if body.respond_to?(:to_str)
-        body
-      else
-        strings = []
-        body.each { |part| strings << part.to_s }
-        body.close if body.respond_to?(:close)
-        strings.join
-      end
-    end
-
   private
 
     # This method should return a hash with assigns.