diff --git a/docker/conf/vault-read-replica.yml b/docker/conf/vault-read-replica.yml
index ba28aca..801bf7a 100644
--- a/docker/conf/vault-read-replica.yml
+++ b/docker/conf/vault-read-replica.yml
@@ -1,14 +1,13 @@
 storage:
   cls: remote
   url: http://swh-storage-read-replica:5002/
 scheduler:
   cls: remote
   url: http://swh-scheduler:5008/
 vault:
   cls: local
-  args:
-    db: postgresql:///?service=swh-vault
+  db: postgresql:///?service=swh-vault
 cache:
   cls: pathslicing
   root: /srv/softwareheritage/vault
   slicing: 0:5
diff --git a/docker/conf/vault-worker.yml b/docker/conf/vault-worker.yml
index f6c0554..6022bf9 100644
--- a/docker/conf/vault-worker.yml
+++ b/docker/conf/vault-worker.yml
@@ -1,16 +1,15 @@
 storage:
   cls: remote
   url: http://swh-storage:5002/
 vault:
   cls: remote
-  args:
-    url: http://swh-vault:5005/
+  url: http://swh-vault:5005/
 celery:
   task_broker: amqp://guest:guest@amqp//
   task_modules:
     - swh.vault.cooking_tasks
   task_queues:
     - swh.vault.cooking_tasks.SWHBatchCookingTask
     - swh.vault.cooking_tasks.SWHCookingTask
 
 max_bundle_size: 536870912
diff --git a/docker/conf/vault.yml b/docker/conf/vault.yml
index ca191f0..26e917e 100644
--- a/docker/conf/vault.yml
+++ b/docker/conf/vault.yml
@@ -1,14 +1,13 @@
 storage:
   cls: remote
   url: http://swh-storage:5002/
 scheduler:
   cls: remote
   url: http://swh-scheduler:5008/
 vault:
   cls: local
-  args:
-    db: postgresql:///?service=swh-vault
+  db: postgresql:///?service=swh-vault
 cache:
   cls: pathslicing
   root: /srv/softwareheritage/vault
   slicing: 0:5