Hello

Apparently, you use, the Search bar to your Firefox toolbar. https://support.mozilla.org/en-US/kb/add-search-bar-firefox-toolbar

Below, an test, with the help of userChrome.css, you can find tutorials on the web.

[data-l10n-id="search-one-offs-with-title"]{display:none!important;}

WARNING from the moderator team: This script is not provided by Mozilla and is not officially supported.

Firefox is a work in progress and, to allow for continuous innovation, Mozilla cannot guarantee future updates won’t impact your customizations. For this reason, Mozilla does not officially support style rules customization.

Please read Firefox advanced customization and configuration options to learn more.

According to your screenshot, sorry. Apparently, you have touched, modified, the preference, browser.urlbar.scotchBonnet.enableOverride. https://connect.mozilla.org/t5/discussions/address-bar-updates-now-live-in-firefox-nightly/m-p/76176

[data-l10n-id="search-one-offs-with-title"]{display:none!important;}

Hello

WARNING from the moderator team: This script is not provided by Mozilla and is not officially supported.

To complement, this discussion.

Additional information.

This time, search with: with the help of, Browser Toolbox.

allay atlas, according to your screenshot, apparently, you have touched, modified, the preference, browser.urlbar.scotchBonnet.enableOverride.

About, browser.urlbar.scotchBonnet.enableOverride.

Unless i have misunderstood, take a look at https://bugzilla.mozilla.org/show_bug.cgi?id=1949207#c4