diff --git a/package.json b/package.json
index 4bd64c5cea..b7874e9c20 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,6 @@
     "babel-plugin-transform-flow-strip-types": "^6.3.13",
     "babel-plugin-transform-runtime": "^6.3.13",
     "babel-preset-es2015": "^6.6.0",
-    "babel-preset-es2015-loose": "^7.0.0",
     "babel-preset-stage-0": "^6.0.0",
     "babel-runtime": "^6.0.0",
     "browserify": "^11.2.0",
@@ -46,8 +45,8 @@
   },
   "babel": {
     "presets": [
-      "stage-0",
-      "es2015-loose"
+      ["es2015", { "loose": true }],
+      "stage-0"
     ],
     "plugins": [
       "./scripts/add-module-exports",