Please try the following:
- Try removing the devices from the account using your account MYCD page ( www.amazon.com/mycd ) from the devices tab.
- Go to “devices” tab and check the devices that are registered to the account.
- Check the available options against each device and select “deregister” option for the device to remove it from account.
- Once done, try refreshing Alexa app and check the status of device. If the status is not changed, try uninstalling the Alexa app and installing again.