No Option to Remove Partner

Hey Yall! sorry if this has been asked before, looked a little bit in the sub but couldn't find the same question

basically, I started sharing a library with my ex through Google photos in like, 2018. we broke up, and now I'm trying to not automatically upload photos from my decide that show up in their library. we have two different google accounts that are uploading photos I'm ASSUMING this is partner sharing, but when I go to the partner sharing settings, Google thinks I haven't shared with any partner, and asks if I want to set it up. I've tried looking on desktop, same issue.

do yall have any advice? thanks in advance

EDIT: I just checked, i have no current account session on any of their devices, but I'm still having this issue