diff --git a/actionpack/lib/action_dispatch/middleware/params_parser.rb b/actionpack/lib/action_dispatch/middleware/params_parser.rb
index <HASH>..<HASH> 100644
--- a/actionpack/lib/action_dispatch/middleware/params_parser.rb
+++ b/actionpack/lib/action_dispatch/middleware/params_parser.rb
@@ -38,8 +38,6 @@ module ActionDispatch
 
       request.params_parsers = @parsers
 
-      request.request_parameters
-
       @app.call(env)
     end
   end
stop eagerly parsing parameters

Parameters will not be parsed until they are specifically requested via
the `request_parameters` method.