Open a lease. For more information on how to do so, see section 4.6. or 6.1.
Go to the lease card (see image below).
Click the icon "Alarm notifications" (see the first image below). When you do so, a window called "Alarm notifications" will open (see the second image below).
Go to the window called "Alarm notifications".
Go to the alarm notification you wish to remove from the lease you are working with (see image below).
Click "Remove" (see the first image below). When you do so, the alarm notification you are working with will be removed from the lease you are working with (see the second image below).