diff --git a/PrinterDev.js b/PrinterDev.js
index cf40a1e..137df75 100644
--- a/PrinterDev.js
+++ b/PrinterDev.js
@@ -3,10 +3,6 @@ const escpos = require('escpos')
 const config = require('./config.json')
 const fs = require('fs')
 const iconv = require('iconv-lite')
-// const device = new escpos.Serial(config.printer.serial)
-
-// const printer = new escpos.Printer(device)
-// let isOpen = false
 
 class PrinterDevice {
   constructor() {
diff --git a/main-service.js b/main-service.js
index 5d8d164..eec9898 100644
--- a/main-service.js
+++ b/main-service.js
@@ -2,7 +2,6 @@ const bleno = require('bleno')
 const config = require('./config.json')
 const localEvent = require('./localEvent')
 
-// const TimeCharacteristic = require('./time-characteristic')
 const GdataCharacteristic = require('./gdata-characteristic')
 const dataCharacteristic = new GdataCharacteristic()