diff --git a/package.json b/package.json
index 2e478eb1fcd67..b8dbc42f2f65b 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,6 @@
     "coveralls": "^2.11.6",
     "del": "^2.0.2",
     "derequire": "^2.0.3",
-    "es6-symbol": "^3.0.2",
     "eslint": "1.10.3",
     "eslint-plugin-react": "4.1.0",
     "eslint-plugin-react-internal": "file:eslint-rules",