Depends on what version you’re on.
If you’re on 2025.2.x you can purge personalization’s in Application Studio.
If you’re on previous versions, there is a custom dashboard someone posted here that will do it. I thought I had a bookmark saved but I can’t find it. I’ll search and see if I can find it.
Edit: Here it is [608482](Need votes for a program to remove kinetic personalizations - #17 by hmwillett