**TypeScript Version:** 4.0.0-dev.20200709 <!-- Search terms you tried before logging this (so others can find this issue more easily) --> **Search Terms:** deprecated **Code**  ```ts class MyClass { move(direction: Direction.Left | Direction.Right) { // Left and Right is marked Deprecated! } } enum Direction { Left = -1, Right = 1, } ``` **Related Issues:** <!-- Did you find other bugs that looked similar? --> I Tried to file a bug to the Typescript Nightly extension, and where redirected here. https://github.com/microsoft/vscode-typescript-next/issues/11