diff --git a/package.json b/package.json
index a100c98d..36e05426 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   "sideEffects": false,
   "scripts": {
     "test": "npm run lint",
-    "build": "rm -rf build && rollup -c",
+    "build": "rm -rf build examples/build && rollup -c",
     "watch": "rollup -wc",
     "debug": "concurrently 'rollup -wc' 'cutest-serve build/y.test.js -o'",
     "lint": "standard **/*.js",