diff --git a/clients/javascript/tsup.config.ts b/clients/javascript/tsup.config.ts
index 3cf9e9a8..b380de70 100644
--- a/clients/javascript/tsup.config.ts
+++ b/clients/javascript/tsup.config.ts
@@ -1,7 +1,6 @@
 import type { Options } from 'tsup'
 
 export const tsup: Options = {
-  splitting: true,
   clean: true, // clean up the dist folder
   dts: true, // generate dts files
   format: ['cjs', 'esm'], // generate cjs and esm files
@@ -12,6 +11,5 @@ export const tsup: Options = {
   entryPoints: ['lib/index.ts'],
   target: 'es2020',
   outDir: 'dist',
-  entry: ['lib/**/*.ts'], //include all files under lib
   tsconfig: 'tsconfig.release.json',
 }