You need to set keyword. Enabled = false on the about:config page to disable searching via the location bar.In Firefox settings>Search>Search Suggestions, uncheck Show search suggestions in address bar results and ahead of browsing history. 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 Search panel in Firefox Settings lets you customize your search options. Simply use the arrow keys to rollover the suggestion you no longer want to see, and hit Shift Del to delete it. The simplest method to remove this parameter is to use another searchengine than Google. Under Search Shortcuts, remove the check mark next to each search engine you don't want to use. Search shortcuts - Hide engine.