diff --git a/packages/core/package.json b/packages/core/package.json
index 3200b799ea..61acaf484a 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -10,8 +10,11 @@
   "unpkg": "dist/core.bundle.js",
   "sideEffects": [
     "*.css",
+    "lib/esm/components/index.js",
     "lib/esm/common/configureDom4.js",
+    "lib/esnext/components/index.js",
     "lib/esnext/common/configureDom4.js",
+    "lib/cjs/components/index.js",
     "lib/cjs/common/configureDom4.js"
   ],
   "bin": {