Amazon Redshift will no longer support the use of Python UDFs after June 30, 2026. We will start enforcing it in phases. For more information on the details of Python end of life and migration options, see the [ blog post ](https://amazonaws-china.com/blogs/big-data/amazon-redshift-python-user-defined-functions-will-reach-end-of-support-after-june-30-2026/) that was published on June 30, 2025. 

# Deleting a cluster subnet group for a provisioned cluster
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When you're done using a cluster subnet group, you should clean up by deleting the group. The following procedure walks you through the steps to delete a subnet group for a provisioned cluster.

**To delete a cluster subnet group**

1. Sign in to the Amazon Web Services Management Console and open the Amazon Redshift console at [https://console.amazonaws.cn/redshiftv2/](https://console.amazonaws.cn/redshiftv2/).

1. On the navigation menu, choose **Configurations**, then choose **Subnet groups**. The list of subnet groups is displayed. 

1. Choose the subnet group to delete, then choose **Delete**. 

**Note**  
You can't delete a cluster subnet group that is used by a cluster.