diff --git a/otc/penguin-observability.think-ahead.cloud/stacks/observability/victoria-k8s-stack/values.yaml b/otc/penguin-observability.think-ahead.cloud/stacks/observability/victoria-k8s-stack/values.yaml
index a693184..882887f 100644
--- a/otc/penguin-observability.think-ahead.cloud/stacks/observability/victoria-k8s-stack/values.yaml
+++ b/otc/penguin-observability.think-ahead.cloud/stacks/observability/victoria-k8s-stack/values.yaml
@@ -886,7 +886,6 @@ grafana:
   persistence:
     enabled: true
     type: pvc
-    storageClassName: "standard"
   sidecar:
     datasources:
       enabled: true