Rails 2.3-style plugins and deprecation warnings running task in Heroku

I'm upgrading to Rails 3.2, and running rake db:migrate gives me several errors of the form: DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://w

[anoworl]

これ直らないん・・・？