Delete a transit gateway using Amazon VPC Transit Gateways - Amazon VPC
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Delete a transit gateway using Amazon VPC Transit Gateways

You can't delete a transit gateway with existing attachments. You need to delete all attachments before you can delete a transit gateway.

To delete a transit gateway using the console
  1. Open the Amazon VPC console at https://console.amazonaws.cn/vpc/.

  2. Choose the transit gateway to delete.

  3. Choose Actions, Delete transit gateway. Enter delete and choose Delete to confirm the deletion.

To delete a transit gateway using the Amazon CLI

Use the delete-transit-gateway command.