var remainingResources []unstructured.Unstructured
	var staleList []string
	if usList != nil && len(usList.Items) != 0 {
		for _, item := range usList.Items {
			// ignore IstioOperator CRD because the operator CR is not in the pruning list
			if item.GetName() == "istiooperators.install.istio.io" {
				continue
			}
			remainingResources = append(remainingResources, item)