diff --git a/README.md b/README.md
index b1840933..4139bb33 100644
--- a/README.md
+++ b/README.md
@@ -69,8 +69,8 @@ A storage device is destined as an OSD (Object Storage Device). There can be
 multiple OSDs per storage node (ceph-osd unit).
 
 The list of all possible storage devices for the cluster is defined by the
-`osd-devices` option (default value is '/dev/vdb'). The below examples can be
-used in the `ceph-osd.yaml` configuration file.
+`osd-devices` option. The below examples can be used in the `ceph-osd.yaml`
+configuration file.
 
 Block devices (regular),
 
diff --git a/config.yaml b/config.yaml
index e501c232..b7aa2f72 100644
--- a/config.yaml
+++ b/config.yaml
@@ -56,7 +56,7 @@ options:
       natively supported config in the charm.
   osd-devices:
     type: string
-    default: /dev/vdb
+    default:
     description: |
       The devices to format and set up as OSD volumes.
       .