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A long while back, I had been using the old version of cert-manager, when it was just named certmanager. Since then, I've deleted that old deployment and all of its CRDs, and installed the new version, cert-manager.

Since then, we've been having issues with namespace deletions unable to finalize, and VolumeSnapshots unable to be created. Errors for when these things happen always point at webhook.certmanager.k8s.io/v1beta1 not being found. This is the old certmanager webhook, and we are now using cert-manager.

I cannot find any more references to the old certmanager version or its CRDs to delete. Its entire namespace is gone and yet the cluster is still trying to contact it. Where else can I look to fully remove dependency on this old certmanager webhook?

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