diff --git a/apis/apps/v1alpha1/cluster_types.go b/apis/apps/v1alpha1/cluster_types.go
index b4cb11aebf9..1df7d05026c 100644
--- a/apis/apps/v1alpha1/cluster_types.go
+++ b/apis/apps/v1alpha1/cluster_types.go
@@ -466,7 +466,6 @@ type PersistentVolumeClaimSpec struct {
 	// +optional
 	StorageClassName *string `json:"storageClassName,omitempty" protobuf:"bytes,5,opt,name=storageClassName"`
 	// volumeMode defines what type of volume is required by the claim.
-	// Value of Filesystem is implied when not included in claim spec.
 	// +optional
 	VolumeMode *corev1.PersistentVolumeMode `json:"volumeMode,omitempty" protobuf:"bytes,6,opt,name=volumeMode,casttype=PersistentVolumeMode"`
 }
diff --git a/config/crd/bases/apps.kubeblocks.io_clusters.yaml b/config/crd/bases/apps.kubeblocks.io_clusters.yaml
index af3f002d724..1e70aa2195a 100644
--- a/config/crd/bases/apps.kubeblocks.io_clusters.yaml
+++ b/config/crd/bases/apps.kubeblocks.io_clusters.yaml
@@ -625,8 +625,7 @@ spec:
                                 type: string
                               volumeMode:
                                 description: volumeMode defines what type of volume
-                                  is required by the claim. Value of Filesystem is
-                                  implied when not included in claim spec.
+                                  is required by the claim.
                                 type: string
                             type: object
                         required:
diff --git a/deploy/helm/crds/apps.kubeblocks.io_clusters.yaml b/deploy/helm/crds/apps.kubeblocks.io_clusters.yaml
index af3f002d724..1e70aa2195a 100644
--- a/deploy/helm/crds/apps.kubeblocks.io_clusters.yaml
+++ b/deploy/helm/crds/apps.kubeblocks.io_clusters.yaml
@@ -625,8 +625,7 @@ spec:
                                 type: string
                               volumeMode:
                                 description: volumeMode defines what type of volume
-                                  is required by the claim. Value of Filesystem is
-                                  implied when not included in claim spec.
+                                  is required by the claim.
                                 type: string
                             type: object
                         required: