diff --git a/clusters/cl01tl/platform/matrix-synapse/Chart.yaml b/clusters/cl01tl/platform/matrix-synapse/Chart.yaml
index ad6b61bd2..52ab87a91 100644
--- a/clusters/cl01tl/platform/matrix-synapse/Chart.yaml
+++ b/clusters/cl01tl/platform/matrix-synapse/Chart.yaml
@@ -61,10 +61,6 @@ dependencies:
     alias: cloudflared-hookshot
     version: 1.12.0
     repository: http://alexlebens.github.io/helm-charts
-  - name: postgres-cluster
-    alias: postgres-16-cluster
-    version: 3.21.0
-    repository: http://alexlebens.github.io/helm-charts
   - name: postgres-cluster
     alias: postgres-17-cluster
     version: 3.21.0
diff --git a/clusters/cl01tl/platform/matrix-synapse/templates/external-secret.yaml b/clusters/cl01tl/platform/matrix-synapse/templates/external-secret.yaml
index 83c1fa2e7..0c2ae26a0 100644
--- a/clusters/cl01tl/platform/matrix-synapse/templates/external-secret.yaml
+++ b/clusters/cl01tl/platform/matrix-synapse/templates/external-secret.yaml
@@ -416,38 +416,6 @@ spec:
         metadataPolicy: None
         property: secret_key
 
----
-apiVersion: external-secrets.io/v1beta1
-kind: ExternalSecret
-metadata:
-  name: matrix-synapse-postgresql-16-cluster-backup-secret
-  namespace: {{ .Release.Namespace }}
-  labels:
-    app.kubernetes.io/name: matrix-synapse-postgresql-16-cluster-backup-secret
-    app.kubernetes.io/instance: {{ .Release.Name }}
-    app.kubernetes.io/version: {{ .Chart.AppVersion }}
-    app.kubernetes.io/component: database
-    app.kubernetes.io/part-of: {{ .Release.Name }}
-spec:
-  secretStoreRef:
-    kind: ClusterSecretStore
-    name: vault
-  data:
-    - secretKey: ACCESS_KEY_ID
-      remoteRef:
-        conversionStrategy: Default
-        decodingStrategy: None
-        key: /digital-ocean/home-infra/postgres-backups
-        metadataPolicy: None
-        property: access
-    - secretKey: ACCESS_SECRET_KEY
-      remoteRef:
-        conversionStrategy: Default
-        decodingStrategy: None
-        key: /digital-ocean/home-infra/postgres-backups
-        metadataPolicy: None
-        property: secret
-
 ---
 apiVersion: external-secrets.io/v1beta1
 kind: ExternalSecret
diff --git a/clusters/cl01tl/platform/matrix-synapse/values.yaml b/clusters/cl01tl/platform/matrix-synapse/values.yaml
index 10c8ac92c..84ea47d65 100644
--- a/clusters/cl01tl/platform/matrix-synapse/values.yaml
+++ b/clusters/cl01tl/platform/matrix-synapse/values.yaml
@@ -322,21 +322,6 @@ cloudflared-synapse:
 cloudflared-hookshot:
   name: cloudflared-hookshot
   existingSecretName: matrix-synapse-cloudflared-hookshot-secret
-postgres-16-cluster:
-  mode: standalone
-  cluster:
-    walStorage:
-      storageClass: local-path
-    storage:
-      storageClass: local-path
-    monitoring:
-      enabled: true
-  backup:
-    enabled: true
-    endpointURL: https://nyc3.digitaloceanspaces.com
-    destinationPath: s3://postgres-backups-ce540ddf106d186bbddca68a/cl01tl/matrix-synapse/matrix-synapse-postgresql-16-cluster
-    endpointCredentials: matrix-synapse-postgresql-16-cluster-backup-secret
-    backupIndex: 1
 postgres-17-cluster:
   mode: standalone
   cluster: