Deleting a Showcase in SmartCue is simple. Follow these steps:
Go to your list of Showcases at https://app.getsmartcue.com/demos.
Locate the Showcase you wish to delete.
Click on the three dots (more options) on the far right of the Showcase listing.
Select 'Move to Trash' from the dropdown menu.
Please note that this action will move the Showcase to the 'Trash', from where you can restore it if needed.