diff --git a/lib/agent/providers/hardware/index.js b/lib/agent/providers/hardware/index.js
index d2efa1ddd..0222a276b 100644
--- a/lib/agent/providers/hardware/index.js
+++ b/lib/agent/providers/hardware/index.js
@@ -7,16 +7,13 @@
 
 "use strict";
 
-var _            = require('underscore'),
-    os           = require('os'),
+var os           = require('os'),
     async        = require('async'),
     network      = require('network'),
     hooks        = require('./../../hooks'),
     common       = require('./../../common'),
     logger       = common.logger.prefix('hardware'),
     os_name      = process.platform.replace('darwin', 'mac').replace('win32', 'windows'),
-    common       = require('./../../../common'),
-    logger       = common.logger.prefix('hardware'),
     storage      = require('./../../utils/storage'),
     os_functions = require('./' + os_name),
     exp          = module.exports;
@@ -98,7 +95,7 @@ exp.track_hardware_changes = (data) => {
       if (!current || (current.length > stored.length)) return diff_count++;
       stored.forEach((value) => {
         const foundIndex = current.findIndex((element) => element === value);
-        if (foundIndex === -1) return diffCount++;
+        if (foundIndex === -1) return diff_count++;
       });
     } else if (stored instanceof Object) {
       if (!current || (Object.keys(current).length > Object.keys(stored).length)) return diff_count++;