Stop using it, even for testing or mundane shit. All you're doing is creating a sense of demand by using it which people like Altman use to get even more money because "numbers."
You can also turn off the AI suggestions in some search engines, or better yet start using a search engine that doesn't do that shit.
- https://www.mojeek.com/
- https://searx.space/ (open source aggregator, loads of instances to choose from)
- https://mwmbl.org/ (still in development, but getting better as time goes on)