diff --git a/src/Umbraco.Web.UI.Client/libs/extensions-registry/umbraco-package.ts b/src/Umbraco.Web.UI.Client/libs/extensions-registry/umbraco-package.ts
index 6dc74e4770..824de5e2ad 100644
--- a/src/Umbraco.Web.UI.Client/libs/extensions-registry/umbraco-package.ts
+++ b/src/Umbraco.Web.UI.Client/libs/extensions-registry/umbraco-package.ts
@@ -57,7 +57,6 @@ export type ManifestJSONTypes =
 
 /**
  * Umbraco package manifest JSON
- * @additionalProperties false
  */
 export class UmbracoPackage {