diff --git a/src/Umbraco.Web.UI.Client/libs/extensions-registry/models.ts b/src/Umbraco.Web.UI.Client/libs/extensions-registry/models.ts
index a9cb2f5eb3..b4f89dad6c 100644
--- a/src/Umbraco.Web.UI.Client/libs/extensions-registry/models.ts
+++ b/src/Umbraco.Web.UI.Client/libs/extensions-registry/models.ts
@@ -103,7 +103,7 @@ export type SpecificManifestTypeOrManifestBase<T extends keyof ManifestTypeMap |
 export interface ManifestBase {
 	type: string;
 	alias: string;
-	kind?: undefined;
+	kind?: undefined; // I had to add the optional kind property set to undefined. To make the ManifestTypes recognize the Manifest Kind types. Notice that Kinds has to Omit the kind property when extending.
 	name: string;
 	weight?: number;
 }
@@ -143,11 +143,6 @@ export interface ManifestElement extends ManifestWithLoader<object | HTMLElement
 	meta?: unknown;
 }
 
-export interface ManifestElementCustomKind extends ManifestElement {
-	kind: 'custom';
-	meta?: unknown;
-}
-
 export interface ManifestWithView extends ManifestElement {
 	meta: MetaManifestWithView;
 }