- Install UBlock Origin
- Click the extension's icon
- Click the gears icon for settings
- Open the "My filters" tab
- Add a line with
||accounts.google.com/gsi/iframe/select?*
Steps 2 and 3 can be replaced by going to about:addons
, finding UBlock Origin, clicking the ...
button and selecting "Preferences".
I can't seem to block them by just enabling annoyances blocks on my end.
"EasyList – Other Annoyances" has this:
"AdGuard – Popup Overlays" has this:
My impression is that the rules want to avoid breaking Google sign-in completely, which this rule may do.