Whatever happened to garbage mattes in Premiere Pro? For many like myself this question has kept us awake at night… If you’ve watched any online tutorials about green screen keying in Premiere Pro you will probably have come across garbage mattes and how they can be used to remove unwanted areas at the edges of your footage. However, since the latest CC updates these garbage mattes have been..well..garbaged. So what to do? Here’s the new (and much better) solution. Enjoy.