From my experience, games usually say it’s experimental for a few days no matter the status. If it’s still there after another 24h I’d say do as duckstz suggested and toggle it off and on.
That didn’t work for me. I toggled it on and off then waited an hour but it’s still there. I’ll try waiting 24 hours to see if that does anything.
Edit: It didn’t go away after 24 hours but I’m not too worried about it being there anyway. I’m just going to leave it be and wait for either it to go away randomly or Roblox to fix the bug.
Usually after a quick update to your game (adding new items, or just adding a part and deleting it afterwards) can cause this to disappear. It has happened to me a few times, and personally I haven’t found it that big of an issue.
Similarly to what others said, if this doesn’t work, I also recommend waiting about 12-24hrs for this change to take effect.