When removing multiple markets from Guardian you can choose to ‘Select all markets’ and then click on ‘Remove selected markets’ or click on ‘Remove suspended markets’.
To choose a group of markets manually select the first in the main Guardian screen and with your 'Shift' key held down press any of the following keys 'Arrow Down', Page Down/Up', 'Home' or 'End'.
To choose individual markets after selecting the first hold down your 'CTRL' key then click on the individual markets you wish to remove.
Bet Angel will present a pop-up message asking you to confirm this action. If you wish to disable this you can do so via a setting in the settings editor.