In my current case I have 2 from shuttered businesses from years ago. I've kept them partly to avoid identity theft (highly unlikely, very edge-case), and in the past the cost was negligible. But now...
This sounds tangential but the only thing I can think to do is let them expire and have other mitigating controls: freezing your credit, watching your credit reports, retaining a lawyer, and squatting on your gov benefits accounts even if you're not eligible for them yet. :thisisfine: