diff --git a/src/index.js b/api/index.js
similarity index 87%
rename from src/index.js
rename to api/index.js
index ab71388..4ffa8e0 100644
--- a/src/index.js
+++ b/api/index.js
@@ -1,5 +1,5 @@
 import express from 'express';
-import { post, get } from './server.js';
+import { post, get } from '../src/server.js';
 
 const app = express();
 
diff --git a/package.json b/package.json
index 1835fd0..6e15f7c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "deeplx-serverless",
-  "version": "3.0.0",
+  "version": "3.0.1",
   "description": "DeepL free API for Serverless",
   "type": "module",
   "main": "server.js",
@@ -17,7 +17,6 @@
     "node": ">=18"
   },
   "scripts": {
-    "build:vercel": "mv src/* api/",
     "start": "node src/server.js",
     "test": "node test.js",
     "start:sl": "node src/index.js",
diff --git a/vercel.json b/vercel.json
index d5f71b3..d828cc4 100644
--- a/vercel.json
+++ b/vercel.json
@@ -1,12 +1,4 @@
 {
-  "builds": [
-    {
-      "src": "package.json",
-      "use": "@vercel/node",
-      "config": { "zeroConfig": false }
-    }
-  ],
-  "outputDirectory": "api",
   "rewrites": [
     { "source": "/(.*)", "destination": "/api/index.js" }
   ]