How to delete a gist on GitHub?

Currently:

There's a "delete" button at the top of each gist now:

Previously...

Previously there was "delete this gist" link at the bottom of the gist's page, as below - thanks to Daniel Smith for pointing out in the comments below that this has been changed.

I created a tool which can help you delete multiple github gists both secret and public gists at once. https://gist-cleaner.ndolestudio.com

It's open source, you can find the source code here https://github.com/NdoleStudio/gist-cleaner