How do I remove credit cards from keychain

Hello hadley241,

Thanks for reaching out to Apple Support Communities. We see you have some questions about removing credit cards from autofill from Safari, and we'd like to help. The following link can help with removing this: Autofill credit card info in Safari on Mac - Apple Support

Add or remove a stored credit card

1) In the Safari app  on your Mac, choose Safari > Preferences, then click AutoFill.

2) Select “Credit cards,” click Edit, then follow the onscreen instructions.

Let us know if this helps.

Regards.

Turn off autofill for credit card from iPhone Automatically fill in your information in Safari on iPhone - Apple Support

And then edit credit card information from Mac that is synced with iPhone Change AutoFill preferences in Safari on Mac - Apple Support