--- a/calendar/test/mozmill/shared-modules/test-calendar-utils.js
+++ b/calendar/test/mozmill/shared-modules/test-calendar-utils.js
@@ -208,17 +208,17 @@ function switchToView(controller, view) 
  * Go to a specific date using minimonth
  *
  * @param controller    Main window controller
  * @param year          Four-digit year
  * @param month         1-based index of a month
  * @param day           1-based index of a day
  */
 function goToDate(controller, year, month, day) {
-    let { eid, lookup, sleep } = helpersForController(controller);
+    let { eid, lookup } = helpersForController(controller);
 
     let miniMonth = `
         /id("messengerWindow")/id("tabmail-container")/id("tabmail")/
         id("tabpanelcontainer")/id("calendarTabPanel")/id("calendarContent")/
         id("ltnSidebar")/id("minimonth-pane")/{"align":"center"}/
         id("calMinimonthBox")/id("calMinimonth")
     `;