Unable to delete a custom driver

I tryed to use a driver created by ChatGPT.
Driver is not functional (partially functional) but now I cannot delete it even after hub was reboted and driver is not assigned to any device:
image

And BTW, this message is very confusing.

Any ideas how to delete this trash?

I am all set now.
It took multiple hub reboot for cleanning up this mess.
Somehow this driver still was assigned to the tested device even I assign a "Device" driver to it. After a reboot the custom driver still was assigned to the device. Few reboots finally did a trick. But the message was very confusing. It use to be telling that driver is used by device(s).

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