You can delete expense for "open" periods.
WARNING : Delete and Expense = Remove it from the list because it was wrong.
This is different from rejecting an expense. Indeed, if you have an "Enterprise Plan", the Manager can accept or deny expenses, based on the company policy.
Comment supprimer une dépense ?
You can delete the expense when it has not been submitted yet.
Simply go to the summary screen, Swipe ... and it's deleted.
See the screenshot below :