To anyone looking for how to remove the AI Overview for Google, what worked for me was going into uBlock Origin's "My Filters" page and adding "google.com##.hdzaWe" to the list.
Line 20 in the image shows the filter that blocks it
Line 20 in the image shows the filter that blocks it
Comments
https://old.reddit.com/r/uBlockOrigin/comments/1ct5mpt/heres_how_to_disable_googles_new_forced_ai/