diff --git a/rollup.config.js b/rollup.config.js
index 9b16852..df9b86a 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -1,6 +1,3 @@
-import resolve from '@rollup/plugin-node-resolve';
-import commonjs from "@rollup/plugin-commonjs";
-
 export default [
   {
     input: "./src/index.js",
@@ -9,9 +6,5 @@ export default [
       { file: "dist/index.esm.mjs", format: "es" },
       { file: "dist/index.umd.js", format: "umd", name: "unitFlip" },
     ],
-    plugins:[
-      resolve(),
-      commonjs(),
-    ]
   },
 ];
diff --git a/src/index.js b/src/index.js
index 6cfc540..aed3e0e 100644
--- a/src/index.js
+++ b/src/index.js
@@ -407,7 +407,7 @@ const conversion = {
  * @throws {Error} If the target or source unit does not exist in the conversion unit.
  */
 
-module.exports = (
+const unitFlip = (
   value,
   sourceUnit,
   targetUnit,
@@ -450,3 +450,5 @@ module.exports = (
 
   return converted;
 };
+
+export default unitFlip;