diff --git a/main.js b/main.js
index 40e3a10..9abc1d8 100644
--- a/main.js
+++ b/main.js
@@ -32,17 +32,8 @@ adapter.on('message', function (obj) {
         switch (obj.command) {
             case 'listUart':
                 if (obj.callback) {
-                    if (serialport) {
-                        // read all found serial ports
-                        serialport.list(function (err, ports) {
-                            listSerial(ports);
-                            adapter.log.info('List of port: ' + JSON.stringify(ports));
-                            adapter.sendTo(obj.from, obj.command, ports, obj.callback);
-                        });
-                    } else {
                         adapter.log.warn('Module serialport is not available');
                         adapter.sendTo(obj.from, obj.command, [{comName: 'Not available'}], obj.callback);
-                    }
                 }
                 break;
         }