diff --git a/bootstrapvz/plugins/minimize_size/manifest-schema.yml b/bootstrapvz/plugins/minimize_size/manifest-schema.yml
index 5bcac9f..7b40c8c 100644
--- a/bootstrapvz/plugins/minimize_size/manifest-schema.yml
+++ b/bootstrapvz/plugins/minimize_size/manifest-schema.yml
@@ -28,7 +28,6 @@ properties:
             properties:
               locales:
                 type: array
-                minItems: 1
                 items:
                   type: string
               exclude_docs: