diff --git a/inc/drivers_ldap.php b/inc/drivers_ldap.php
index 1b6b22e2..4f6f0e60 100644
--- a/inc/drivers_ldap.php
+++ b/inc/drivers_ldap.php
@@ -347,7 +347,6 @@ function sync_LDAP(){
       $db_users[] = $db_user['username'];
       $db_users_info[$db_user['username']] = array('user_no' => $db_user['user_no'], 'updated' => $db_user['updated']);
     }
-    require_once("DAViCalUser.php");
 
     $ldap_users = array_keys($ldap_users_info);
     // users only in ldap