diff --git a/charts/perses/templates/pvc.yaml b/charts/perses/templates/pvc.yaml
index 046ff18..658eaa4 100644
--- a/charts/perses/templates/pvc.yaml
+++ b/charts/perses/templates/pvc.yaml
@@ -11,7 +11,9 @@ metadata:
     {{- toYaml . | nindent 4 }}
   {{- end }}
 spec:
+{{- if .Values.persistence.storageClass }}
   storageClassName: {{ .Values.persistence.storageClass }}
+{{- end }}
   accessModes:
   {{- range .Values.persistence.accessModes }}
     - {{ . | quote }}
diff --git a/charts/perses/values.schema.json b/charts/perses/values.schema.json
index a7d2005..bf2d9eb 100644
--- a/charts/perses/values.schema.json
+++ b/charts/perses/values.schema.json
@@ -430,8 +430,7 @@
       "required": [
         "accessModes",
         "enabled",
-        "size",
-        "storageClass"
+        "size"
       ]
     },
     "livenessProbe": {
diff --git a/charts/perses/values.yaml b/charts/perses/values.yaml
index 12011fc..9df36b1 100644
--- a/charts/perses/values.yaml
+++ b/charts/perses/values.yaml
@@ -149,8 +149,8 @@ persistence:
   # -- If disabled, it will use a emptydir volume
   enabled: false
 
-  # -- Specify the `storageClass` used to provision the volume
-  storageClass: "default"
+  # -- Specify the `storageClass` to provision the volume for the PVC. If you don't specify a `storageClass`, a default `storageClass` will be used.
+  # storageClass: ""
 
   # -- PVC Access Modes for data volume
   accessModes: