diff --git a/LibreNMS/Authentication/AuthorizerBase.php b/LibreNMS/Authentication/AuthorizerBase.php
index 24b3455f5..8207953bc 100644
--- a/LibreNMS/Authentication/AuthorizerBase.php
+++ b/LibreNMS/Authentication/AuthorizerBase.php
@@ -65,6 +65,9 @@ abstract class AuthorizerBase implements Authorizer
      */
     public function logInUser()
     {
+        global $vars;
+        unset($vars['username']);
+        unset($vars['password']);
         // set up variables, but don't override existing ones (ad anonymous bind can only get user_id at login)
         if (!isset($_SESSION['userlevel'])) {
             $_SESSION['userlevel'] = $this->getUserlevel($_SESSION['username']);