Military CAC somehow link to local Mac Admin account
I recently had to start using my military CAC from home on my MacPro Late 2013 model running BigSur 11.1. Everything with the CAC is working fine, accessing web based resources, etc. My problem is somehow my military CAC has become linked to the local admin account of my Mac. For example if I restart the machine at log in it asks for my Pin not my Password. Any time admin access is required, it asks for my Pin not the Password.
How do I de-link my CAC from my local admin account. I've seen some Apple Support articles on running sudo scripts, but wanted to see if there was an easier way and ideally less likely to screw something up way to make this happen.
Appreciate any assistance the community can provide.
Mac Pro, macOS 11.1