diff --git a/mxlookup.php b/mxlookup.php
index 619149b..c399439 100644
--- a/mxlookup.php
+++ b/mxlookup.php
@@ -73,7 +73,6 @@ public function modify_imap_host($args)
             $txt_host = $this->check_mxwebmail_txt($domain, $whitelisted_ips);
             if ($txt_host) {
                 $imap_host = $txt_host;
-                $imap_host_ip = gethostbyname($imap_host);
             } else {
                 $args['abort'] = true;
                 return $args;