The Remove Device to Switch Group command is used to remove devices from a switch group. See the Switch Groups section for more information.
To remove a device from a switch group, go to
Ribbon: DM Electrical->Devices-> 
Remove Device to Switch Group
Pulldown Menu: DM Electrical->Switches->Remove Device from Switch Group
You will be prompted to select one or more devices.
Select devices to remove from their switch groups:
All of the selected devices will be removed from the switch group they are in. Any switch group label associated with the device will be removed from the drawing.
If the switch group is connected to a circuit, you will be asked whether the device should be removed from the circuit.