Uninstalling the OpenShift Pipelines Operator is a two-step process:
Delete the Custom Resources (CRs) that were added by default when you installed the OpenShift Pipelines Operator.
Uninstall the OpenShift Pipelines Operator.
Uninstalling only the Operator will not remove the OpenShift Pipelines components created by default when the Operator is installed.
Delete the Custom Resources (CRs) created by default during installation of the OpenShift Pipelines Operator.
In the Administrator perspective of the web console, navigate to Administration → Custom Resource Definition.
config.operator.tekton.dev in the Filter by name box to search for the OpenShift Pipelines Operator CRs.
Click CRD Config to see the Custom Resource Definition Details page.
Click the Actions drop-down menu and select Delete Custom Resource Definition.
Deleting the CRs will delete the OpenShift Pipelines components, and all the Tasks and Pipelines on the cluster will be lost.
Click Delete to confirm the deletion of the CRs.
From the Operators → OperatorHub page, use the Filter by keyword box to search for
OpenShift Pipelines Operator.
Click the OpenShift Pipelines Operator tile. The Operator tile indicates it is installed.
In the OpenShift Pipelines Operator descriptor page, click Uninstall.
You can learn more about uninstalling Operators on OpenShift Container Platform in the deleting Operators from a cluster section.