That should remove Bing as the default search engine—Google will be the search engine it will revert to. And if that doesn't ...

How to remove Bing from your default search engine in Chrome for mobile. If your phone's Chrome browser defaults to using the Bing search engine, you can reset it here as well. 1.

How to Remove Bing from Microsoft Edge: A Step-by-Step Guide. For users of Microsoft Edge, the default search engine, Bing, can sometimes be more of a hindrance than a help.