diff --git a/calendar/js/app.ts b/calendar/js/app.ts
index b11e8e189c..5f158d24d1 100644
--- a/calendar/js/app.ts
+++ b/calendar/js/app.ts
@@ -43,7 +43,7 @@ import {et2_iframe} from "../../api/js/etemplate/et2_widget_iframe";
 // @ts-ignore
 import {date} from "../../api/js/etemplate/lib/date.js";
 import {sprintf} from "../../api/js/egw_action/egw_action_common.js";
-import {egw_registerGlobalShortcut} from "../../api/js/egw_action/egw_keymanager.js";
+import {egw_registerGlobalShortcut, egw_unregisterGlobalShortcut} from "../../api/js/egw_action/egw_keymanager.js";
 import {egw, egw_getFramework} from "../../api/js/jsapi/egw_global";
 import {et2_number} from "../../api/js/etemplate/et2_widget_number";
 import {et2_template} from "../../api/js/etemplate/et2_widget_template";