diff --git a/pkg/acme/webhook/registry/challengepayload/challenge_payload.go b/pkg/acme/webhook/registry/challengepayload/challenge_payload.go
index 602f70384..f202b8603 100644
--- a/pkg/acme/webhook/registry/challengepayload/challenge_payload.go
+++ b/pkg/acme/webhook/registry/challengepayload/challenge_payload.go
@@ -101,5 +101,9 @@ func (r *REST) callSolver(req v1alpha1.ChallengeRequest) (v1alpha1.ChallengeResp
 	}, nil
 }
 
+// This resource type isn't actually persisted anywhere, it is only submitted to the
+// DNS01 solver webhooks, so there's nothing to do to delete a resource/it doesn't
+// make sense in this context.
+// see: https://github.com/cert-manager/cert-manager/pull/5346#discussion_r959521656
 func (r *REST) Destroy() {
 }