diff --git a/crone.php b/crone.php
index 7fb2598..416f1a5 100644
--- a/crone.php
+++ b/crone.php
@@ -1,6 +1,5 @@
 <?php
 date_default_timezone_set("Europe/Berlin");
-header('Strict-Transport-Security: max-age=657000');
 error_reporting(E_ALL);
 session_start();
 
diff --git a/index.php b/index.php
index c2a79ca..9eea86c 100644
--- a/index.php
+++ b/index.php
@@ -1,6 +1,5 @@
 <?php
 date_default_timezone_set("Europe/Berlin");
-header('Strict-Transport-Security: max-age=657000');
 error_reporting(E_ALL);
 session_start();