diff --git a/meta/argument_specs.yml b/meta/argument_specs.yml
index 4ee75b1..50ac6db 100644
--- a/meta/argument_specs.yml
+++ b/meta/argument_specs.yml
@@ -89,5 +89,7 @@ argument_specs:
         description: "Install debug packages. This requires the debug repositories to be enabled."
       bareos_dir_plugins:
         type: "list"
-        default: []
         description: "A list of Bareos Director plugins"
+        elements: "str"
+        required: false
+        version_added: v1.1.0
diff --git a/tasks/assert.yml b/tasks/assert.yml
index 1627ccf..11f933d 100644
--- a/tasks/assert.yml
+++ b/tasks/assert.yml
@@ -143,10 +143,3 @@
       - bareos_dir_install_debug_packages is defined
       - bareos_dir_install_debug_packages is boolean
     quiet: true
-
-- name: assert | Test bareos_dir_plugins
-  ansible.builtin.assert:
-    that:
-      - bareos_dir_plugins is defined
-      - bareos_dir_plugins is iterable
-    quiet: true