diff --git a/tools/index_tools/tang_uninstall_catalog.sh b/tools/index_tools/tang_uninstall_catalog.sh
index 4829a132..5b877aca 100755
--- a/tools/index_tools/tang_uninstall_catalog.sh
+++ b/tools/index_tools/tang_uninstall_catalog.sh
@@ -15,8 +15,8 @@
 #   limitations under the License.
 #
 
-oc delete -f tang_subscription.yaml 
-oc delete -f tang_catalog_source.yaml 
+test -f tang_subscription.yaml && oc delete -f tang_subscription.yaml 
+test -f tang_catalog_source.yaml && oc delete -f tang_catalog_source.yaml 
 oc get csv -nopenshift-operators
 csv=$(oc get csv -n openshift-operators | grep -v NAME | head | awk '{print $1}')
 test -z "${csv}" || oc delete csv "${csv}" -n openshift-operators