diff --git a/otc/observability.t09.de/stacks/core/dex.yaml b/otc/observability.t09.de/stacks/core/dex.yaml
deleted file mode 100644
index d64175a..0000000
--- a/otc/observability.t09.de/stacks/core/dex.yaml
+++ /dev/null
@@ -1,29 +0,0 @@
-apiVersion: argoproj.io/v1alpha1
-kind: Application
-metadata:
-  name: dex
-  namespace: argocd
-  labels:
-    env: dev
-spec:
-  project: default
-  syncPolicy:
-    automated:
-      selfHeal: true
-    syncOptions:
-      - CreateNamespace=true
-    retry:
-      limit: -1
-  destination:
-    name: in-cluster
-    namespace: dex
-  sources:
-    - repoURL: https://charts.dexidp.io
-      chart: dex
-      targetRevision: 0.23.0
-      helm:
-        valueFiles:
-          - $values/otc/observability.t09.de/stacks/core/dex/values.yaml
-    - repoURL: https://edp.buildth.ing/DevFW-CICD/stacks-instances
-      targetRevision: HEAD
-      ref: values
diff --git a/otc/observability.t09.de/stacks/core/dex/values.yaml b/otc/observability.t09.de/stacks/core/dex/values.yaml
deleted file mode 100644
index 58f1b49..0000000
--- a/otc/observability.t09.de/stacks/core/dex/values.yaml
+++ /dev/null
@@ -1,70 +0,0 @@
-ingress:
-  enabled: true
-
-  annotations:
-    cert-manager.io/cluster-issuer: main
-  hosts:
-    - host: dex.observability.t09.de
-      paths:
-        - path: /
-  tls:
-    - hosts:
-        - dex.observability.t09.de
-      secretName: dex-cert
-
-envVars:
-  - name: FORGEJO_CLIENT_SECRET
-    valueFrom:
-      secretKeyRef:
-        name: dex-forgejo-client
-        key: clientSecret
-  - name: FORGEJO_CLIENT_ID
-    valueFrom:
-      secretKeyRef:
-        name: dex-forgejo-client
-        key: clientID
-  - name: OIDC_DEX_GRAFANA_CLIENT_SECRET
-    valueFrom:
-      secretKeyRef:
-        name: dex-grafana-client
-        key: clientSecret
-  - name: OIDC_DEX_ARGO_CLIENT_SECRET
-    valueFrom:
-      secretKeyRef:
-        name: dex-argo-client
-        key: clientSecret
-
-config:
-  # Set it to a valid URL
-  issuer: https://dex.observability.t09.de
-
-  # See https://dexidp.io/docs/storage/ for more options
-  storage:
-    type: memory
-
-  oauth2:
-    skipApprovalScreen: true
-    alwaysShowLoginScreen: false
-
-  connectors:
-    - type: gitea
-      id: gitea
-      name: Forgejo
-      config:
-        clientID: "{{`{{ .Env.FORGEJO_CLIENT_ID }}`}}"
-        clientSecret: "{{`{{ .Env.FORGEJO_CLIENT_SECRET }}`}}"
-        redirectURI: https://dex.observability.t09.de/callback
-        baseURL: https://edp.buildth.ing
-  enablePasswordDB: false
-
-  staticClients:
-    - id: controller-argocd-dex
-      name: ArgoCD Client
-      redirectURIs:
-        - "http://argocd.observability.t09.de/auth/callback"
-      secret: "{{`{{ .Env.OIDC_DEX_ARGO_CLIENT_SECRET }}`}}"
-    - id: grafana
-      redirectURIs:
-        - "https://grafana.observability.t09.de/login/generic_oauth"
-      name: "Grafana"
-      secret: "{{`{{ .Env.OIDC_DEX_GRAFANA_CLIENT_SECRET }}`}}"