diff --git a/npm/ng-packs/packages/theme-shared/src/lib/directives/ngx-datatable-default.directive.ts b/npm/ng-packs/packages/theme-shared/src/lib/directives/ngx-datatable-default.directive.ts
index 8f0f49d79e..58f315458c 100644
--- a/npm/ng-packs/packages/theme-shared/src/lib/directives/ngx-datatable-default.directive.ts
+++ b/npm/ng-packs/packages/theme-shared/src/lib/directives/ngx-datatable-default.directive.ts
@@ -149,7 +149,7 @@ export class NgxDatatableDefaultDirective implements OnInit, AfterViewInit, OnDe
 }
 
 // fix: https://github.com/angular/angular/issues/20351
-interface MockDocument extends ParentNode {
+interface MockDocument {
   body: MockBody;
   documentElement: MockDocumentElement;
 }