diff --git a/www/welcome.html b/www/welcome.html
index 3262346..1d3da51 100644
--- a/www/welcome.html
+++ b/www/welcome.html
@@ -13,7 +13,6 @@
             <h2>Before starting we need to verify you are a human</h2>
             <form id="welcomeForm" method="POST" action="/">
                 <div id="recaptcha" class="g-recaptcha" data-callback="iAmHuman" data-sitekey="{{.}}"></div>
-                <input type="hidden" name="session-duration" value="4h"/>
                 <input id="stack" type="hidden" name="stack" value=""/>
                 <input id="stack_name" type="hidden" name="stack_name" value=""/>
                 <input id="image_name" type="hidden" name="image_name" value=""/>