To delete any counted item:
1. Make sure the "Select" button in highlighted in the Home Ribbon.
Fig.1 Select Button
2. Double Click on one of the counted items, to change into the Edit Mode.
Note: When in edit mode the Counted item shows the different color as set your Cubit options.
Fig.2 Selected Item
3. Hold down the CTRL key and hover the mouse over the counted item you wish to delete.
4. You will see that the cursor changes to display an X in its bottom right hand corner.
Fig.3 Cursor Delete Indication
5. Left mouse click on the item to delete it.
Once you have done this, the item you have selected with be removed from the plan and the item quantity on the counted item will be updated accordingly.