diff --git a/lib/ical/timezone_service.js b/lib/ical/timezone_service.js
index a804dd49..65fe55f6 100644
--- a/lib/ical/timezone_service.js
+++ b/lib/ical/timezone_service.js
@@ -4,6 +4,8 @@
  * Portions Copyright (C) Philipp Kewisch */
 
 import Timezone from "./timezone.js";
+// needed for typescript type resolution
+// eslint-disable-next-line no-unused-vars
 import Component from "./component.js";
 
 let zones = null;