diff --git a/icons/package.json b/icons/package.json
index 246fef8722..6c08717075 100644
--- a/icons/package.json
+++ b/icons/package.json
@@ -3,6 +3,7 @@
   "version": "1.0.0",
   "description": "",
   "main": "index.js",
+  "sideEffects": false,
   "scripts": {
     "build": "node copy-mui-icons.js && node copy-brand-icons.js && svgr svg --out-dir jsx && babel jsx -d es5",
     "test": "echo \"Error: no test specified\" && exit 1"