diff --git a/apps/matrix/values.yaml b/apps/matrix/values.yaml
index d996c7ca..2591c805 100644
--- a/apps/matrix/values.yaml
+++ b/apps/matrix/values.yaml
@@ -44,7 +44,6 @@ dendrite:
       addresses:
         - nats://matrix-nats:4222
   persistence:
-    storageClass: longhorn
     logs:
       capacity: 1Gi
     media:
@@ -63,7 +62,6 @@ dendrite:
         postgresqlPassword: dendrite
     persistence:
       enabled: true
-      storageClass: longhorn
       accessModes:
         - ReadWriteOnce
       size: 5Gi
diff --git a/platform/gitea/values.yaml b/platform/gitea/values.yaml
index 0723e70c..3a95969d 100644
--- a/platform/gitea/values.yaml
+++ b/platform/gitea/values.yaml
@@ -24,8 +24,3 @@ gitea:
         ROOT_URL: https://git.khuedoan.com
       webhook:
         ALLOWED_HOST_LIST: private
-  persistence:
-    storageClass: longhorn
-  postgresql:
-    persistence:
-      storageClass: longhorn
diff --git a/platform/registry/values.yaml b/platform/registry/values.yaml
index d34d4d6f..67b47e2f 100644
--- a/platform/registry/values.yaml
+++ b/platform/registry/values.yaml
@@ -42,6 +42,5 @@ docker-registry:
   persistence:
     enabled: true
     size: 10Gi
-    storageClass: longhorn
   garbageCollect:
     enabled: true
diff --git a/platform/tekton-pipelines/workflows/master.yaml b/platform/tekton-pipelines/workflows/master.yaml
index b5ca74e2..0ccd0dfc 100644
--- a/platform/tekton-pipelines/workflows/master.yaml
+++ b/platform/tekton-pipelines/workflows/master.yaml
@@ -43,7 +43,6 @@ spec:
     - name: shared-data
       volumeClaimTemplate:
         spec:
-          storageClassName: longhorn
           accessModes:
             - ReadWriteOnce
           resources:
diff --git a/platform/tekton-pipelines/workflows/pull-request.yaml b/platform/tekton-pipelines/workflows/pull-request.yaml
index d534fed2..1a88e268 100644
--- a/platform/tekton-pipelines/workflows/pull-request.yaml
+++ b/platform/tekton-pipelines/workflows/pull-request.yaml
@@ -36,7 +36,6 @@ spec:
     - name: shared-data
       volumeClaimTemplate:
         spec:
-          storageClassName: longhorn
           accessModes:
             - ReadWriteOnce
           resources:
diff --git a/platform/vault/templates/cr.yaml b/platform/vault/templates/cr.yaml
index a490f334..d1d27058 100644
--- a/platform/vault/templates/cr.yaml
+++ b/platform/vault/templates/cr.yaml
@@ -260,7 +260,6 @@ kind: PersistentVolumeClaim
 metadata:
   name: vault-file
 spec:
-  storageClassName: longhorn
   accessModes:
     - ReadWriteOnce
   resources: