All items, fields, images, etc can be deleted once they have been placed on a report. To delete an item:
1 Click on the item to select it. A group of red dots will appear around an item when it is selected. If you select a column, the selected column will be highlighted in blue.
2 Click the Delete icon on the toolbar, or choose Delete Item from the Activities menu.
3 When the warning window appears, click Yes to delete the field.