From d09843180ee931362c4b213f7f253761ff5ce940 Mon Sep 17 00:00:00 2001
From: laf <neil@lathwood.co.uk>
Date: Thu, 18 Jun 2015 23:25:51 +0100
Subject: [PATCH] Removed unused variable

---
 includes/polling/functions.inc.php | 1 -
 1 file changed, 1 deletion(-)

diff --git a/includes/polling/functions.inc.php b/includes/polling/functions.inc.php
index e96b68c66..c705eccb8 100644
--- a/includes/polling/functions.inc.php
+++ b/includes/polling/functions.inc.php
@@ -374,7 +374,6 @@ function get_main_serial($device) {
 
     if ($device['os_group'] == 'cisco') {
         $serial_output = snmp_get_multi($device, "entPhysicalSerialNum.1 entPhysicalSerialNum.1001", "-OQUs", "ENTITY-MIB:OLD-CISCO-CHASSIS-MIB");
-        $serial = "";
         if (!empty($serial_output[1]['entPhysicalSerialNum'])) {
             return $serial_output[1]['entPhysicalSerialNum'];
         } elseif (!empty($serial_output[1001]['entPhysicalSerialNum'])) {