diff --git a/package.json b/package.json
index f8fd7d4..2ed99b6 100644
--- a/package.json
+++ b/package.json
@@ -4,10 +4,6 @@
   "description": "SerialPort Bindings Typescript Types",
   "types": "dist/index.d.ts",
   "main": "./dist/index.js",
-  "exports": {
-    "require": "./dist/index.js",
-    "default": "./dist/index-esm.mjs"
-  },
   "publishConfig": {
     "access": "public"
   },
diff --git a/rollup.config.js b/rollup.config.mjs
similarity index 80%
rename from rollup.config.js
rename to rollup.config.mjs
index e0ed737..b6fa6f2 100644
--- a/rollup.config.js
+++ b/rollup.config.mjs
@@ -6,7 +6,6 @@ export default {
     resolve({}),
   ],
   output: [
-    { format: 'esm', file: './dist/index-esm.mjs' },
     { format: 'cjs', file: './dist/index.js' },
   ],
   external: [],