You may get extra chat notifications if you have multiple apps like Gmail and Google Chat on your mobile device. To avoid duplicate notifications, you can turn off notifications for the Google Chat app on your mobile device.
- On your mobile device, open Settings.
- Tap Apps & notifications Chat App notifications.
- Make sure app notifications are turned off.
Tip: The settings menu on your device might have a different name for “Apps & notifications.” For more info on how to access app notification settings, go to your mobile device’s online help.