How do I unlink Amazon Alexa Voice Service from my voice-enabled ecobee thermostat?

This article applies to ecobee SmartThermostat with voice control and ecobee4

You can unlink Amazon Alexa Voice Service on your voice-enabled ecobee thermostat through the ecobee mobile app, the ecobee web portal or your Amazon account.

Unlinking Amazon Alexa Voice Service through the ecobee app

1. Open the ecobee app and select your thermostat.
2. Tap the microphone icon on the home screen.
3. Select Unlink Alexa and follow the prompts.

To re-link Amazon Alexa Voice Service from the ecobee app:

1. Open the ecobee app and select your thermostat.
2. Tap the microphone icon on the home screen.
3. Select Sign in with Amazon, enter your Amazon account information and follow the prompts.

Unlinking Amazon Alexa Voice Service through the web portal 

1. Log in to the web portal.
2. Select AMAZON VOICE CONTROL.
3. Open the Unlink Alexa tab, then select Unlink Alexa.

To re-link Amazon Alexa Voice Service from the web portal:

1. Log in to the web portal.
2. Select AMAZON VOICE CONTROL.
3. Select Next, enter your Amazon account information and follow the prompts.

Unlinking your Amazon Alexa Voice Service from your ecobee thermostat through your Amazon account. 

1. Go to your Amazon.com account page. 
2. Select MANAGE CONTENT AND DEVICES, then select DEVICES.
3. Choose your ecobee device and select the action button. Now select DEREGISTER.