https://forums.opera.com/topic/40585/turn-off-search-in-tabs-button/16?lang=en-US
Turn off "Search in Tabs button" | Opera forums
Oct 15, 2021 - How to remove this shit? In opera 80 there is no necessary flag, you will not find anything in the settings either.
search in tabsturn offbuttonoperaforums
https://www.opera.com/features/search-in-tabs
Search in Tabs | Find the tab you want | Opera
Easily find the tab you are looking for with Ctrl+Space in Opera. If you have so many tabs open that you can’t read the titles, you’ll love this tab search...
search in tabsfind theyou wantopera