diff --git a/appengine-java8/mailgun/src/main/webapp/index.html b/appengine-java8/mailgun/src/main/webapp/index.html
index 9ec44eaad7c..157eaecd020 100644
--- a/appengine-java8/mailgun/src/main/webapp/index.html
+++ b/appengine-java8/mailgun/src/main/webapp/index.html
@@ -16,12 +16,10 @@
   <title>Mailgun on Google App Engine Managed VMs</title>
 </head>
 <body>
-<!-- [START form] -->
 <form method="post" action="/send/email">
   <input type="text" name="to" placeholder="Enter recipient email">
   <input type="submit" name="submit" value="Send simple email">
   <input type="submit" name="submit" value="Send complex email">
 </form>
-<!-- [END form] -->
 </body>
 </html>
diff --git a/appengine-java8/mailjet/src/main/webapp/index.html b/appengine-java8/mailjet/src/main/webapp/index.html
index 10f5dcc59dd..7745012ff70 100644
--- a/appengine-java8/mailjet/src/main/webapp/index.html
+++ b/appengine-java8/mailjet/src/main/webapp/index.html
@@ -16,12 +16,10 @@
   <title>Mailgun on Google App Engine Managed VMs</title>
 </head>
 <body>
-<!-- [START form] -->
 <form method="post" action="/send/email">
   <input type="text" name="to" placeholder="Enter recipient email">
   <input type="text" name="from" placeholder="Enter sender email">
   <input type="submit" name="submit" value="Send email">
 </form>
-<!-- [END form] -->
 </body>
 </html>
