diff --git a/ray-operator/controllers/ray/raycluster_controller.go b/ray-operator/controllers/ray/raycluster_controller.go
index c64d9137cde..d69e1ee4ad2 100644
--- a/ray-operator/controllers/ray/raycluster_controller.go
+++ b/ray-operator/controllers/ray/raycluster_controller.go
@@ -1239,7 +1239,7 @@ func (r *RayClusterReconciler) buildRedisCleanupJob(ctx context.Context, instanc
 	if utils.EnvVarExists(utils.REDIS_USERNAME, pod.Spec.Containers[utils.RayContainerIndex].Env) {
 		pod.Spec.Containers[utils.RayContainerIndex].Args[0] += "sys.exit(1) if not cleanup_redis_storage(host=parsed.hostname, port=parsed.port, username=os.getenv('REDIS_USERNAME', parsed.username), password=os.getenv('REDIS_PASSWORD', parsed.password), use_ssl=parsed.scheme=='rediss', storage_namespace=os.getenv('RAY_external_storage_namespace')) else None\""
 	} else {
-		pod.Spec.Containers[utils.RayContainerIndex].Args[0] += "sys.exit(1) if not cleanup_redis_storage(host=parsed.hostname, port=parsed.port, password=os.getenv('REDIS_PASSWORD', parsed.password), use_ssl=parsed.scheme=='rediss', storage_namespace=os.getenv('RAY_external_storage_namespace')) else None\""
+		pod.Spec.Containers[utils.RayContainerIndex].Args[0] += "sys.exit(1) if not cleanup_redis_storage(host=parsed.hostname, port=parsed.port, password=os.getenv('REDIS_PASSWORD', parsed.password or ''), use_ssl=parsed.scheme=='rediss', storage_namespace=os.getenv('RAY_external_storage_namespace')) else None\""
 	}
 
 	// Disable liveness and readiness probes because the Job will not launch processes like Raylet and GCS.
diff --git a/ray-operator/test/e2e/raycluster_gcsft_test.go b/ray-operator/test/e2e/raycluster_gcsft_test.go
index 143c50ba512..58cc892cae9 100644
--- a/ray-operator/test/e2e/raycluster_gcsft_test.go
+++ b/ray-operator/test/e2e/raycluster_gcsft_test.go
@@ -2,6 +2,7 @@ package e2e
 
 import (
 	"testing"
+	"time"
 
 	. "github.com/onsi/gomega"
 	v1 "k8s.io/api/core/v1"
@@ -81,7 +82,8 @@ func TestGcsFaultToleranceOptions(t *testing.T) {
 			g := NewWithT(t)
 			namespace := test.NewTestNamespace()
 
-			deployRedis(test, namespace.Name, tc.redisPassword)
+			checkRedisDBSize := deployRedis(test, namespace.Name, tc.redisPassword)
+			defer g.Eventually(checkRedisDBSize, time.Second*30, time.Second).Should(BeEquivalentTo("0"))
 
 			if tc.createSecret {
 				test.T().Logf("Creating Redis password secret")
@@ -116,6 +118,9 @@ func TestGcsFaultToleranceOptions(t *testing.T) {
 			} else {
 				g.Expect(utils.EnvVarExists(utils.REDIS_PASSWORD, headPod.Spec.Containers[utils.RayContainerIndex].Env)).Should(BeTrue())
 			}
+
+			err = test.Client().Ray().RayV1().RayClusters(namespace.Name).Delete(test.Ctx(), rayCluster.Name, metav1.DeleteOptions{})
+			g.Expect(err).NotTo(HaveOccurred())
 		})
 	}
 }
@@ -171,7 +176,8 @@ func TestGcsFaultToleranceAnnotations(t *testing.T) {
 				redisPassword = tc.redisPasswordInRayStartParams
 			}
 
-			deployRedis(test, namespace.Name, redisPassword)
+			checkRedisDBSize := deployRedis(test, namespace.Name, redisPassword)
+			defer g.Eventually(checkRedisDBSize, time.Second*30, time.Second).Should(BeEquivalentTo("0"))
 
 			// Prepare RayCluster ApplyConfiguration
 			podTemplateAC := headPodTemplateApplyConfiguration()
@@ -224,6 +230,9 @@ func TestGcsFaultToleranceAnnotations(t *testing.T) {
 			} else {
 				g.Expect(utils.EnvVarExists(utils.REDIS_PASSWORD, headPod.Spec.Containers[utils.RayContainerIndex].Env)).Should(BeTrue())
 			}
+
+			err = test.Client().Ray().RayV1().RayClusters(namespace.Name).Delete(test.Ctx(), rayCluster.Name, metav1.DeleteOptions{})
+			g.Expect(err).NotTo(HaveOccurred())
 		})
 	}
 }
diff --git a/ray-operator/test/e2e/support.go b/ray-operator/test/e2e/support.go
index 7ea97c8f58b..2dec0d953df 100644
--- a/ray-operator/test/e2e/support.go
+++ b/ray-operator/test/e2e/support.go
@@ -2,13 +2,12 @@ package e2e
 
 import (
 	"embed"
+	"strings"
 
 	"github.com/stretchr/testify/assert"
 	corev1 "k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/api/resource"
-	appsv1ac "k8s.io/client-go/applyconfigurations/apps/v1"
 	corev1ac "k8s.io/client-go/applyconfigurations/core/v1"
-	metav1ac "k8s.io/client-go/applyconfigurations/meta/v1"
 
 	rayv1ac "github.com/ray-project/kuberay/ray-operator/pkg/client/applyconfiguration/ray/v1"
 	. "github.com/ray-project/kuberay/ray-operator/test/support"
@@ -177,26 +176,20 @@ func jobSubmitterPodTemplateApplyConfiguration() *corev1ac.PodTemplateSpecApplyC
 					}))))
 }
 
-func deployRedis(t Test, namespace string, password string) {
+func deployRedis(t Test, namespace string, password string) func() string {
 	redisContainer := corev1ac.Container().WithName("redis").WithImage("redis:7.4").
 		WithPorts(corev1ac.ContainerPort().WithContainerPort(6379))
+	dbSizeCmd := []string{"redis-cli", "--no-auth-warning", "DBSIZE"}
 	if password != "" {
 		redisContainer.WithCommand("redis-server", "--requirepass", password)
+		dbSizeCmd = []string{"redis-cli", "--no-auth-warning", "-a", password, "DBSIZE"}
 	}
 
-	_, err := t.Client().Core().AppsV1().Deployments(namespace).Apply(
+	pod, err := t.Client().Core().CoreV1().Pods(namespace).Apply(
 		t.Ctx(),
-		appsv1ac.Deployment("redis", namespace).
-			WithSpec(appsv1ac.DeploymentSpec().
-				WithReplicas(1).
-				WithSelector(metav1ac.LabelSelector().WithMatchLabels(map[string]string{"app": "redis"})).
-				WithTemplate(corev1ac.PodTemplateSpec().
-					WithLabels(map[string]string{"app": "redis"}).
-					WithSpec(corev1ac.PodSpec().
-						WithContainers(redisContainer),
-					),
-				),
-			),
+		corev1ac.Pod("redis", namespace).
+			WithLabels(map[string]string{"app": "redis"}).
+			WithSpec(corev1ac.PodSpec().WithContainers(redisContainer)),
 		TestApplyOptions,
 	)
 	assert.NoError(t.T(), err)
@@ -213,4 +206,9 @@ func deployRedis(t Test, namespace string, password string) {
 		TestApplyOptions,
 	)
 	assert.NoError(t.T(), err)
+
+	return func() string {
+		stdout, stderr := ExecPodCmd(t, pod, "redis", dbSizeCmd)
+		return strings.TrimSpace(stdout.String() + stderr.String())
+	}
 }