diff --git a/doc/usage/playground.md b/doc/usage/playground.md
index 3e7fb582bf..23fdc23b3c 100644
--- a/doc/usage/playground.md
+++ b/doc/usage/playground.md
@@ -159,15 +159,3 @@ class Foo {
   }
 }
 ```
-
-### This shorthand
-
-```js
-@foo
-```
-
-is equivalent to
-
-```
-this.foo
-```