# Delete traffic distribution groups in Connect Customer
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Use the [DeleteTrafficDistributionGroup](https://docs.aws.amazon.com/connect/latest/APIReference/API_DeleteTrafficDistributionGroup.html) API to delete a traffic distribution group that is no longer needed.

**Note**  
You cannot delete a traffic distribution group if phone numbers are claimed to it. You must first release phone numbers from the traffic distribution group by using the [ReleasePhoneNumber](https://docs.aws.amazon.com/connect/latest/APIReference/API_ReleasePhoneNumber.html) API. After that, you can delete the traffic distribution group.  
You cannot release numbers from a traffic distribution group by using the Connect Customer console. 

Your [DeleteTrafficDistributionGroup](https://docs.aws.amazon.com/connect/latest/APIReference/API_DeleteTrafficDistributionGroup.html) API call will fail with an `ResourceInUseException` if phone numbers are still claimed to the traffic distribution group.