Can't delete some custom SVG's

There is something preventing Dorico from letting me delete some custom SVG’s I’ve imported and soon after tried to discard because I didn’t like them. Most of the time I can delete unused SVG’s that were imported for for Playing Techniques, though not all the time. But the ones I can never delete are those I imported for Noteheads and Repeatable Symbols.

They are not being used for anything, not assigned to anything, but they permanently cluttering up my custom graphics window.

Is there a fix in the works for this?

TIA

Did you maybe made those default by ‘starring’ them?

I think you have to undo that before being able to delete them

No. I barely use that feature anyway. They’re not supposed to be linked to anything since they’re not assigned, but somehow if I try something out as a notehead or repeatable symbol and not liking it, once I close the program and reopen it, I can’t delete it. I have to undo back to before I imported it, which is not always practical if I have a lot of edits after that, or if I change my mind later after having closed the program.

Could the be saved in a template you start your new projects from?

Are they there if you start File->New ?

And if so, could you share such a new project?

No, not that either. It’s supposed to be project independent as far as I know.

When I select them in the custom graphics window, the garbage can remains grayed out.