- In Firefox, open a tab to 
about:config - Enter 
browser.urlbar.update2.engineAliasRefreshand click the+sign on the right- This will now show the value for the Boolean as 
truewhich is correct - Be setting this to 
trueyou enable the option to add a custom search engine to Firefox 
 - This will now show the value for the Boolean as 
 - Go to Settings or navigate to 
about:preferences#search - Under Search Shortcuts click 
Add- Search enging name : 
Google without AI - Engine URL : 
https://www.google.com/search?client=firefox-b-1-d&channel=entpr&udm=14&q=%s - Alias (if there is an alias field present) : 
gnaior whatever alias you'd like here. This is not required - Click 
Add Engine 
 - Search enging name : 
 - At the top of the Settings page under Default Search Engine, select in the drop-down 
Google without AI - Test this by doing a Firefox search in the URL bar or search bar for something. At the top of the search results page, instead of 
Allyou'll see it has selectedWebso that it only shows web results. 
This adds a new custom search engine that uses Google but adds the udm=14 query parameter to only return web results, not AI Overviews.
There was no spot to add and alias in Firefox 139.0.4 on a Mac.
So I just stuck "gnai" in the blank for "Keyword". I have no idea if that was necessary or not, but it's working. My searches now show up without Google's idiotic AI summaries.