How to delete an element with a mandatory field(s)?

If you do not want to include some mandatory fields in your activity you will have to remove the entire element. To remove a field:

1. Open the activity from which you want to delete a certain field. 
2. Hover your mouse over the element you want to delete. 
3. A ‘x’ icon will appear. (As shown in the screenshot below.)
4. Click on the ‘x’ icon and you will get a confirmation message. 
5. Click on ‘Yes’ and the said element will get removed.