If you do not use the customer gateway anymore and haven’t created any VPN tunnels, you can delete the customer gateway.

Operation Directions.

1. Log in to the VPC console.
2. Choose VPN Connection > Customer Gateway on the left sidebar to go to the management page.
3. On the “Customer Gateway” management page, click Delete on the right of the customer gateway instance to be deleted.
4. Click Delete in the confirmation dialog box.