[edderly]

Since I only use reddit logged in and having the user preference set to the old UI, the most effective way for me to go cold turkey is to logout. Any twitch response to back to reddit presents the newer layout and I'm instantly compelled to close the browser tab again.

[rampant_ai]

Adding reddit.com to uBlock's "My Filters" is an easy option, too.

Even better is adding it to Pi-hole so you get everything at once (including blackout-oblivious house guests!).

[the_lucifer]

Honestly this could be a good idea, and if I really wanted to comment the added friction of actually logging in would put me off