How to Delete System Fonts on Mac?

Remove, Disable, or Enable Fonts in Font Book on Mac

In the Font Book app on your Mac, select one or more fonts, press the Delete key, then click Remove. Removed fonts are moved to the Trash and arent available in Font Book or in the Fonts window.

How do I Remove a System Font?

Go to C:\Windows\Fonts or Start Menu → Control Panel → Appearance and Personalization → Fonts, right click on a font, and select "Delete".

How do I Remove Foreign Fonts from my Mac Big Sur?

Open Typeface.
Choose File > Import…
Navigate to the /System/Library/Fonts/Supplemental folder.
Import the 'Supplemental' folder.
Deactivate away.