To delete a user

The following delete-user example deletes a user.

aws elasticache delete-user \
    --user-id user2

Output:

{
    "UserId": "user1",
    "UserName": "myUser",
    "Status": "deleting",
    "Engine": "redis",
    "AccessString": "on ~* +@all",
    "UserGroupIds": [
        "myusergroup"
    ],
    "Authentication": {
        "Type": "password",
        "PasswordCount": 1
    },
    "ARN": "arn:aws:elasticache:us-west-2:xxxxxxxxxx52:user:user1"
}

For more information, see Authenticating Users with Role-Based Access Control (RBAC) in the Elasticache User Guide.