General Discussion
1. Log in to the Aura app.
2. Navigate to the setting section.
3. Tap the Z-Wave section under system settings.
4. Select the Location location where you will be removing your node.
5. Select the controller where the Z-Wave node is already there.
6. Tap on remove node.
7. Select the node to be removed and tap the remove node button.
8. Follow the instruction to unpair Z-Wave node from the controller.
• Case 1 : For Switch/Double switch/Dimmer – Press the button on Z-wave device twice until its removed.
• Case 2 : For Touch Panels – Long press on any one endpoint on the touch panel until it blinks and then tap once.
Reference video