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You can remove the cert-manager Operator for Red Hat OpenShift from OpenShift Container Platform by uninstalling the Operator and removing its related resources.

Uninstalling the cert-manager Operator for Red Hat OpenShift

You can uninstall the cert-manager Operator for Red Hat OpenShift by using the web console.

Prerequisites
  • You have access to the cluster with cluster-admin privileges.

  • You have access to the OpenShift Container Platform web console.

  • The cert-manager Operator for Red Hat OpenShift is installed.

Procedure
  1. Log in to the OpenShift Container Platform web console.

  2. Uninstall the cert-manager Operator for Red Hat OpenShift Operator.

    1. Navigate to OperatorsInstalled Operators.

    2. Click the Options menu kebab next to the cert-manager Operator for Red Hat OpenShift entry and click Uninstall Operator.

    3. In the confirmation dialog, click Uninstall.

Removing cert-manager Operator for Red Hat OpenShift resources

Optionally, after uninstalling the cert-manager Operator for Red Hat OpenShift, you can remove its related resources from your cluster.

Prerequisites
  • You have access to the cluster with cluster-admin privileges.

  • You have access to the OpenShift Container Platform web console.

Procedure
  1. Log in to the OpenShift Container Platform web console.

  2. Remove CRDs that were installed by the cert-manager Operator for Red Hat OpenShift:

    1. Navigate to AdministrationCustomResourceDefinitions.

    2. Enter certmanager in the Name field to filter the CRDs.

    3. Click the Options menu kebab next to each of the following CRDs, and select Delete Custom Resource Definition:

      • Certificate

      • CertificateRequest

      • CertManager (operator.openshift.io)

      • Challenge

      • ClusterIssuer

      • Issuer

      • Order

  3. Remove the cert-manager-operator namespace.

    1. Navigate to AdministrationNamespaces.

    2. Click the Options menu kebab next to the cert-manager-operator and select Delete Namespace.

    3. In the confirmation dialog, enter cert-manager-operator in the field and click Delete.