diff --git a/pkg/reconciler/knativeeventing/knativeeventing.go b/pkg/reconciler/knativeeventing/knativeeventing.go
index fdabbdde..e856014e 100644
--- a/pkg/reconciler/knativeeventing/knativeeventing.go
+++ b/pkg/reconciler/knativeeventing/knativeeventing.go
@@ -71,8 +71,16 @@ func (r *Reconciler) Reconcile(ctx context.Context, key string) error {
 	if apierrs.IsNotFound(err) {
 		// The resource was deleted
 		r.eventings.Delete(key)
+		var RBAC = mf.Any(mf.ByKind("Role"), mf.ByKind("ClusterRole"), mf.ByKind("RoleBinding"), mf.ByKind("ClusterRoleBinding"))
+
 		if r.eventings.Len() == 0 {
-			r.config.Filter(mf.NoCRDs).Delete()
+			if err := r.config.Filter(mf.NoCRDs, mf.None(RBAC)).Delete(); err != nil {
+				return err
+			}
+			// Delete Roles last, as they may be useful for human operators to clean up.
+			if err := r.config.Filter(RBAC).Delete(); err != nil {
+				return err
+			}
 		}
 		return nil