Epic Games v. Apple judge Yvonne Gonzalez Rogers has ruled that, effective immediately, Apple can no longer take a cut from purchases made outside apps and has blocked the tech giant from restricting how developers can point people to third-party payment options.

The ruling was a stinging defeat for Apple in a long-running antitrust case brought by Epic Games, the maker of Fortnite, on behalf of app developers.

Apple violated a U.S. court order that required the iPhone maker to allow greater competition for app downloads and payment methods in its lucrative App Store and will be referred to federal prosecutors,