Delete a network interface
Deleting a network interface releases all attributes associated with the interface and releases any private IP addresses or Elastic IP addresses to be used by another instance.
You can't delete a network interface that is in use. First, you must detach the network interface.
To delete a network interface using the console
Open the Amazon EC2 console at https://console.aws.amazon.com/ec2/
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In the navigation pane, choose Network Interfaces.
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Select the checkbox for the network interface, and then choose Actions, Delete.
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When prompted for confirmation, choose Delete.
To delete a network interface using the command line
You can use one of the following commands. For more information about these command line interfaces, see Access Amazon EC2.
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delete-network-interface (AWS CLI)
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Remove-EC2NetworkInterface (AWS Tools for Windows PowerShell)
