diff --git a/app-files/apps.yaml b/app-files/apps.yaml
index e05c292..a64f60a 100644
--- a/app-files/apps.yaml
+++ b/app-files/apps.yaml
@@ -27,7 +27,7 @@ spec:
   sources:
     - repoURL: https://argoproj.github.io/argo-helm
       chart: argo-cd
-      targetRevision: 7.7.3
+      targetRevision: 7.7.0
       helm:
         releaseName: argo
         valueFiles:
@@ -175,7 +175,7 @@ spec:
   sources:
     - repoURL: https://charts.openproject.org
       chart: openproject
-      targetRevision: 9.0.1
+      targetRevision: 9.0.0
       helm:
         releaseName: openproject
         valueFiles:
diff --git a/openproject/db.yaml b/openproject/db.yaml
index 42a7d89..661b3c1 100644
--- a/openproject/db.yaml
+++ b/openproject/db.yaml
@@ -7,17 +7,3 @@ spec:
   instances: 3
   storage:
     size: 1Gi
-  backup:
-    barmanObjectStore:
-      destinationPath: "s3://openproject/backups"
-      endpointURL: "https://fsn1.your-objectstorage.com"
-      s3Credentials:
-        accessKeyId:
-          name: openproject-secret
-          key: OPENPROJECT_FOG_CREDENTIALS_AWS__ACCESS__KEY__ID
-        secretAccessKey:
-          name: openproject-secret
-          key: OPENPROJECT_FOG_CREDENTIALS_AWS__SECRET__ACCESS__KEY
-      wal:
-        compression: gzip
-      retentionPolicy: "30d"