diff --git a/src/playground/utils/constants.js b/src/playground/utils/constants.js
index 5307452541..1b4648131b 100644
--- a/src/playground/utils/constants.js
+++ b/src/playground/utils/constants.js
@@ -1,4 +1,4 @@
-export const ECMA_FEATURES = ["jsx", "globalReturn", "impliedStrict"];
+export const ECMA_FEATURES = ["jsx", "impliedStrict"];
 
 export const ECMA_VERSIONS = [
 	"3",