Old signing certificates in project

My project has some old, expired certificates listed in the certificates window. None of the old ones are valid.


LogTemp: CERTIFICATE-Name:iPhone Distribution: [Snip] ([Snip]),Validity:EXPIRED,StartDate:2018-02-03T02:38:14.0000000Z,EndDate:2019-02-03T02:38:14.0000000Z
LogTemp: CERTIFICATE-Name:iPhone Developer: [Snip] ([Snip]),Validity:EXPIRED,StartDate:2018-02-03T10:28:14.0000000Z,EndDate:2019-02-03T10:28:14.0000000Z
LogTemp: CERTIFICATE-Name:iPhone Distribution: [Snip] ([Snip]),Validity:EXPIRED,StartDate:2018-02-03T10:28:56.0000000Z,EndDate:2019-02-03T10:28:56.0000000Z
LogTemp: CERTIFICATE-Name:iPhone Developer: [Snip] ([Snip]),Validity:EXPIRED,StartDate:2018-02-09T08:01:14.0000000Z,EndDate:2019-02-09T08:01:14.0000000Z
LogTemp: CERTIFICATE-Name:iPhone Developer: [Snip] ([Snip]),Validity:EXPIRED,StartDate:2019-02-13T14:29:14.0000000Z,EndDate:2020-02-13T14:29:14.0000000Z

I’d like to remove them. The problem is they’re not in my developer.apple.com account, they’re not in my keychain and after searching files and contents on the disk for the IDs they’re not anywhere on the disk that I can figure out either. They also don’t show in XCode.

Does anyone know where these are kept?