diff --git a/package.json b/package.json
index 2708e0e61..6506046a7 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "node": ">=0.10.0"
   },
   "scripts": {
-    "test": "xo !es2015.js && xo es2015.js --esnext && node test/test.js | tap-dot"
+    "test": "xo && node test/test.js | tap-dot"
   },
   "files": [
     "index.js",
@@ -67,5 +67,10 @@
     "tap-dot": "^1.0.0",
     "tape": "^4.0.0",
     "xo": "*"
+  },
+  "xo": {
+    "ignores": [
+      "test/es2015.js"
+    ]
   }
 }
diff --git a/readme.md b/readme.md
index bfd82916e..9717223a4 100644
--- a/readme.md
+++ b/readme.md
@@ -184,7 +184,9 @@ test(function (t) {
 
 ### ES2015 support
 
-You can write your tests in ES2015:
+AVA comes with builtin support for ES2015 through [Babel](https://babeljs.io).
+
+Just write your tests in ES2015. No extra work needed.
 
 ```js
 test(t => {
@@ -193,24 +195,13 @@ test(t => {
 });
 ```
 
-And run it in any node version.
-
-```sh
-$ ava
-```
-
-Also you can use your local `babel` or `babel-core` instead of built-in.
-
-For example, package.json:
+You can also use your own local Babel version:
 
 ```json
 {
 	"devDependencies": {
 		"ava": "^0.1.0",
-		"babel": "^5.8.0"
-	},
-	"scripts": {
-		"test": "ava"
+		"babel-core": "^5.8.0"
 	}
 }
 ```
diff --git a/test/test.js b/test/test.js
index e6765d1f0..4d742ae58 100644
--- a/test/test.js
+++ b/test/test.js
@@ -369,7 +369,7 @@ test('ES2015 support', function (t) {
 	execFile('../cli.js', ['es2015.js'], {
 		cwd: __dirname
 	}, function (err, stdout) {
-		t.assert(!err, err);
-		t.assert(stdout.trim().length);
+		t.error(err);
+		t.true(stdout.trim().length > 0);
 	});
 });