diff --git a/benchmark/sh/uninstall-volcano.sh b/benchmark/sh/uninstall-volcano.sh
index 84c1546509..2d880b6b6f 100755
--- a/benchmark/sh/uninstall-volcano.sh
+++ b/benchmark/sh/uninstall-volcano.sh
@@ -14,4 +14,5 @@
 # limitations under the License.
 set -e
 
-helm uninstall volcano --namespace volcano-system
\ No newline at end of file
+helm uninstall volcano --namespace volcano-system
+kubectl delete namespace volcano-system