diff --git a/maintenance/fleet.yaml b/maintenance/fleet.yaml
deleted file mode 100644
index 5099c062886d815c0ecf6b5bce73feb57f9cd109..0000000000000000000000000000000000000000
--- a/maintenance/fleet.yaml
+++ /dev/null
@@ -1,62 +0,0 @@
-defaultnamespace: jupyter
-
-labels:
-  app: maintenance
-  component: nginx
-
-dependsOn:
-  - selector:
-      matchLabels:
-        app: maintenance
-        component: secrets
-  - selector:
-      matchLabels:
-        app: postgres-operator
-        component: namespaces
-
-
-
-helm:
-  releaseName: maintenance
-  repo: https://kaas.pages.jsc.fz-juelich.de/helm-charts
-  chart: jupyter-maintenance
-  version: 0.9.0
-  valuesFiles:
-    - values/base/misc.yaml
-targetCustomizations:
-  - name: staging
-    clusterSelector:
-      matchLabels:
-        stage: staging
-        maintenance: "false"
-    doNotDeploy: true
-  - name: staging
-    clusterSelector:
-      matchLabels:
-        stage: staging
-        maintenance: "true"
-    helm:
-      valuesFiles:
-        - values/overlays/staging/hosts.yaml
-      values:
-        enabled: false
-  - name: production
-    clusterSelector:
-      matchLabels:
-        stage: production
-        prep: "false"
-    helm:
-      valuesFiles:
-        - values/overlays/production/hosts.yaml
-      values:
-        enabled: false
-  - name: production
-    clusterSelector:
-      matchLabels:
-        stage: production
-        prep: "true"
-    helm:
-      valuesFiles:
-        - values/overlays/production-prep/hosts.yaml
-      values:
-        enabled: true
diff --git a/maintenance/specific-secrets/fleet.yaml b/maintenance/specific-secrets/fleet.yaml
deleted file mode 100644
index 90ca3899f635389b559936653e624e7c5adebc49..0000000000000000000000000000000000000000
--- a/maintenance/specific-secrets/fleet.yaml
+++ /dev/null
@@ -1,28 +0,0 @@
-defaultnamespace: jupyter
-
-labels:
-  app: maintenance
-  component: secrets
-
-dependsOn:
-  - selector:
-      matchLabels:
-        app: postgres-operator
-        component: namespaces
-  - selector:
-      matchLabels:
-        app: sealed-secrets
-
-targetCustomizations:
-- name: jupyter-stag
-  clusterSelector:
-    matchLabels:
-      stage: staging
-  kustomize:
-    dir: overlays/staging
-- name: jupyter-prod
-  clusterSelector:
-    matchLabels:
-      stage: production
-  kustomize:
-    dir: overlays/production
\ No newline at end of file
diff --git a/maintenance/specific-secrets/overlays/production/kustomization.yaml b/maintenance/specific-secrets/overlays/production/kustomization.yaml
deleted file mode 100644
index 2be662f785e57f7431eefaf0e006ff26dca3af24..0000000000000000000000000000000000000000
--- a/maintenance/specific-secrets/overlays/production/kustomization.yaml
+++ /dev/null
@@ -1,2 +0,0 @@
-resources:
-- secret.yaml
\ No newline at end of file
diff --git a/maintenance/specific-secrets/overlays/production/secret.yaml b/maintenance/specific-secrets/overlays/production/secret.yaml
deleted file mode 100644
index 88773de5e4d4787ebb6bb42fa7b5169e32f374d6..0000000000000000000000000000000000000000
--- a/maintenance/specific-secrets/overlays/production/secret.yaml
+++ /dev/null
@@ -1,18 +0,0 @@
----
-apiVersion: bitnami.com/v1alpha1
-kind: SealedSecret
-metadata:
-  creationTimestamp: null
-  name: jhub-maintenance-git
-  namespace: jupyter
-spec:
-  encryptedData:
-    GIT_PASSWORD: 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
-    GIT_REPO: 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
-    GIT_USERNAME: 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
-  template:
-    metadata:
-      creationTimestamp: null
-      name: jhub-maintenance-git
-      namespace: jupyter
-    type: Opaque
diff --git a/maintenance/specific-secrets/overlays/staging/kustomization.yaml b/maintenance/specific-secrets/overlays/staging/kustomization.yaml
deleted file mode 100644
index 2be662f785e57f7431eefaf0e006ff26dca3af24..0000000000000000000000000000000000000000
--- a/maintenance/specific-secrets/overlays/staging/kustomization.yaml
+++ /dev/null
@@ -1,2 +0,0 @@
-resources:
-- secret.yaml
\ No newline at end of file
diff --git a/maintenance/specific-secrets/overlays/staging/secret.yaml b/maintenance/specific-secrets/overlays/staging/secret.yaml
deleted file mode 100644
index 59d9da5ed1480c040fc6ccb5a639ed9208d35914..0000000000000000000000000000000000000000
--- a/maintenance/specific-secrets/overlays/staging/secret.yaml
+++ /dev/null
@@ -1,18 +0,0 @@
----
-apiVersion: bitnami.com/v1alpha1
-kind: SealedSecret
-metadata:
-  creationTimestamp: null
-  name: jhub-maintenance-git
-  namespace: jupyter
-spec:
-  encryptedData:
-    GIT_PASSWORD: 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
-    GIT_REPO: 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
-    GIT_USERNAME: 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
-  template:
-    metadata:
-      creationTimestamp: null
-      name: jhub-maintenance-git
-      namespace: jupyter
-    type: Opaque
diff --git a/maintenance/values/base/misc.yaml b/maintenance/values/base/misc.yaml
deleted file mode 100644
index 22b30000ee2220a108beeaf416b409b08a8f750c..0000000000000000000000000000000000000000
--- a/maintenance/values/base/misc.yaml
+++ /dev/null
@@ -1,6 +0,0 @@
-enabled: false
-fullnameOverride: "jhub-maintenance"
-ingress:
-  annotations:
-    acme.cert-manager.io/http01-edit-in-place: "false"
-    cert-manager.io/cluster-issuer: letsencrypt-cluster-issuer
diff --git a/maintenance/values/overlays/production-prep/hosts.yaml b/maintenance/values/overlays/production-prep/hosts.yaml
deleted file mode 100644
index 3ab4baf9834ad3cb6035b1512c8660ea52538778..0000000000000000000000000000000000000000
--- a/maintenance/values/overlays/production-prep/hosts.yaml
+++ /dev/null
@@ -1,4 +0,0 @@
-ingress:
-  hosts:
-    - host: zam12185.zam.kfa-juelich.de
-      secretName: zam12185
diff --git a/maintenance/values/overlays/production/hosts.yaml b/maintenance/values/overlays/production/hosts.yaml
deleted file mode 100644
index 7adf0f51b83fe40f0931f89e577bf649b02aa3a0..0000000000000000000000000000000000000000
--- a/maintenance/values/overlays/production/hosts.yaml
+++ /dev/null
@@ -1,16 +0,0 @@
-ingress:
-  hosts:
-    - host: jupyter.jsc.fz-juelich.de
-      secretName: jupyterjsc-tls
-    - host: jupyter-jsc.fz-juelich.de
-      secretName: jupyterjsc-tls-old
-    - host: jupyter.eurocc-gcs.de
-      secretName: eurocc-tls
-    - host: juniq.fz-juelich.de
-      secretName: juniq-tls
-    - host: jupyter.coe-raise.eu
-      secretName: coeraise-tls
-    - host: portal.gauss-centre.eu
-      secretName: portalgauss-tls
-    - host: jupyter-coec.jsc.fz-juelich.de
-      secretName: coec-tls
diff --git a/maintenance/values/overlays/staging/hosts.yaml b/maintenance/values/overlays/staging/hosts.yaml
deleted file mode 100644
index 2b26b7619fcf656efa5a96ce5f109d2f6f36b867..0000000000000000000000000000000000000000
--- a/maintenance/values/overlays/staging/hosts.yaml
+++ /dev/null
@@ -1,14 +0,0 @@
-ingress:
-  hosts:
-    - host: jupyter-staging.jsc.fz-juelich.de
-      secretName: jupyterjsc-tls
-    - host: jupyter-staging.eurocc-gcs.de
-      secretName: eurocc-tls
-    - host: juniq-staging.fz-juelich.de
-      secretName: juniq-tls
-    - host: portal-staging.gauss-centre.eu
-      secretName: portalgauss-tls
-    - host: jupyter-staging.coe-raise.eu
-      secretName: coeraise-tls
-    - host: jupyter-coec-staging.jsc.fz-juelich.de
-      secretName: coec-tls