If you have created a short link or qr code with LinkShortener.io which you no longer wish to be active, you deactivate which will then the link back to your account fallback url.
If you don't wish use the fallback account destination, you could just edit the destination url to your home page or alternative page.
Simply login to your LinkShortener account, find the short link or qr code, and under the top reporting section you will see "active" toggled on, click "edit" top right", then toggle "active" from on to off.
