Holidays are deleted as follows:

1. Go to the Holidays section of the ACS bar.
   
   The pre-holiday bar will open in the information pane.
   
2. Bring up the holiday context menu. Do this by left-clicking with the mouse in the corresponding table cell.
   
3. Select the Delete record menu item.
4. To save any changes made, click the Save button (2).

This completes the process of deleting holidays.