How I can delete that?

[mamuDesign]

You can’t, is not up to you, it is a bug

Artefacts around MSFS ships

But then you may end up with a problematic system as a replacement! Better to hold onto what works. All I’m hoping for is that the new BGL files won’t kill my system. I refuse to use outside TCs.

We need to wait for the Devs to fix it