Only a user who is in the admin group can delete a 'System View'.

• Click on Tools/Options

    

The Options screen will then appear.  Ensure you are in the 'View tab from the tab group.

• Click on the Check to delete checkbox(es) against the View Name that you wish to delete.
• Click on Update views

The System View will be automatically deleted.

• Click on Close Window to exit the screen.

You can also Delete a User View