You can try to disable search altogether in the address bar and have a dedicated search bar (Settings>Search>Add search bar in toolbar). You need to set keyword.Enabled = false on the about:config page to disable searching via the location bar. How to Remove "Search With" from FireFox Address Bar (v58). In about:config, toggle the following preference to false to disable searching from the address bar unless you click one of the search engine options. The simplest method to remove this parameter is to use another searchengine than Google. The Search panel in Firefox Settings lets you customize your search options. Go to about:config and set the following preferences to false: browser.fixup.alternate. Firefox for Android lets you add, remove and change your default search engine. Learn to manage your search engines with just a few taps.