**To delete an environment member from an AWS Cloud9 development environment** This example deletes the specified environment member from the specified AWS Cloud9 development environment. Command:: aws cloud9 delete-environment-membership --environment-id 8a34f51ce1e04a08882f1e811bd706EX --user-arn arn:aws:iam::123456789012:user/AnotherDemoUser Output:: None.