If you are certain that you want to delete a landing page from your account it only requires a couple of clicks to do so.
1. Hover your mouse over the Growth Tools tab located at the top of your Dashboard page to reveal the drop-down menu and then click on the Landing Pages option.
A list of all your existing landing pages appears.
2. Find the landing page you wish to delete, then click on the three-dots menu on its far-right to expand it.
3. Click on the Delete option.
4. Click the OK button on the confirmation pop-up message that appears on the top of the screen.