diff --git a/testdata/go/v4/memcached-operator/test/e2e/e2e_test.go b/testdata/go/v4/memcached-operator/test/e2e/e2e_test.go
index 0d07bc23e1..71541dd921 100644
--- a/testdata/go/v4/memcached-operator/test/e2e/e2e_test.go
+++ b/testdata/go/v4/memcached-operator/test/e2e/e2e_test.go
@@ -84,7 +84,7 @@ var _ = Describe("memcached", Ordered, func() {
 		utils.UninstallCertManager()
 
 		By("removing manager namespace")
-		cmd := exec.Command("kubectl", "create", "ns", namespace)
+		cmd := exec.Command("kubectl", "delete", "ns", namespace)
 		_, _ = utils.Run(cmd)
 	})
 
diff --git a/testdata/go/v4/monitoring/memcached-operator/test/e2e/e2e_test.go b/testdata/go/v4/monitoring/memcached-operator/test/e2e/e2e_test.go
index 7ecea06753..f73acc23b6 100644
--- a/testdata/go/v4/monitoring/memcached-operator/test/e2e/e2e_test.go
+++ b/testdata/go/v4/monitoring/memcached-operator/test/e2e/e2e_test.go
@@ -100,7 +100,7 @@ var _ = Describe("memcached", Ordered, func() {
 		utils.UninstallCertManager()
 
 		By("removing manager namespace")
-		cmd := exec.Command("kubectl", "create", "ns", namespace)
+		cmd := exec.Command("kubectl", "delete", "ns", namespace)
 		_, _ = utils.Run(cmd)
 	})