Possibility to unlink a project from its origin template?

[solemn ridge]

Hi, I've got a few projects that I had created out of my own Template repositories, however now I would like to remove the connection between those projects and the template I created them from. Is that possible? Baiscally I would just like to get rid of the following banner

[elfin roost]

In the general project settings inside the advanced section, there should be a button to remove the fork association.