Index: branches/version-2_5-dev/data/class/helper/SC_Helper_Mobile.php
===================================================================
--- branches/version-2_5-dev/data/class/helper/SC_Helper_Mobile.php	(revision 19731)
+++ branches/version-2_5-dev/data/class/helper/SC_Helper_Mobile.php	(revision 19743)
@@ -451,8 +451,4 @@
         $arrMobileMailDomains = $masterData->getMasterData("mtb_mobile_domain");
 
-        if (defined('MOBILE_ADDITIONAL_MAIL_DOMAINS')) {
-            $arrMobileMailDomains = array_merge($arrMobileMailDomains, split('[ ,]+', MOBILE_ADDITIONAL_MAIL_DOMAINS));
-        }
-
         foreach ($arrMobileMailDomains as $domain) {
             $domain = preg_quote($domain, '/');