diff --git a/src/MD_STD.php b/src/MD_STD.php
index a4cb03a..209a1d3 100644
--- a/src/MD_STD.php
+++ b/src/MD_STD.php
@@ -345,7 +345,6 @@ final class MD_STD {
         $cookie_options = [
             'expires' => self::strtotime("+1 month"),
             'path' => '/',
-            'domain' => $_SERVER['SERVER_NAME'],
             'secure' => true,
             'httponly' => true,
             'samesite' => 'Lax' // None || Lax  || Strict