diff --git a/main.js b/main.js
index 62addaf..435456f 100644
--- a/main.js
+++ b/main.js
@@ -808,15 +808,9 @@ function parseConfig(callback) {
 function main() {
     parseConfig(options => {
         let Modbus;
- /*
-        if (options.config.slave) {
-            Modbus = require(__dirname + '/lib/slave');
-        } else {
-            Modbus = require(__dirname + '/lib/master');
-        }
+        Modbus = require(__dirname + '/lib/master');
         modbus = new Modbus(options, adapter);
         modbus.start();
- */
     });
 }