# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2017-01-04 10:22:18 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/816590570709626880) In reply to: [@burf2000](http://twitter.com/burf2000/status/816575834190413825) @burf2000 Deleting Derived Data helps. But the simulators take up a lot.