**To delete a task definition** The following ``deletee-task-definitions`` example deletes an INACTIVE task definition. :: aws ecs delete-task-definitions \ --task-definition curltest:1 Output:: { "taskDefinitions": [ { "taskDefinitionArn": "arn:aws:ecs:us-east-1:123456789012:task-definition/curltest:1", "containerDefinitions": [ { "name": "ctest", "image": "mreferre/eksutils", "cpu": 0, "portMappings": [], "essential": true, "entryPoint": [ "sh", "-c" ], "command": [ "curl ${ECS_CONTAINER_METADATA_URI_V4}/task" ], "environment": [], "mountPoints": [], "volumesFrom": [], "logConfiguration": { "logDriver": "awslogs", "options": { "awslogs-create-group": "true", "awslogs-group": "/ecs/curltest", "awslogs-region": "us-east-1", "awslogs-stream-prefix": "ecs" } } } ], "family": "curltest", "taskRoleArn": "arn:aws:iam::123456789012:role/ecsTaskExecutionRole", "executionRoleArn": "arn:aws:iam::123456789012:role/ecsTaskExecutionRole", "networkMode": "awsvpc", "revision": 1, "volumes": [], "status": "DELETE_IN_PROGRESS", "compatibilities": [ "EC2", "FARGATE" ], "requiresCompatibilities": [ "FARGATE" ], "cpu": "256", "memory": "512", "registeredAt": "2021-09-10T12:56:24.704000+00:00", "deregisteredAt": "2023-03-14T15:20:59.419000+00:00", "registeredBy": "arn:aws:sts::123456789012:assumed-role/Admin/jdoe" } ], "failures": [] } For more information, see `Amazon ECS Task Definitions <https://docs.aws.amazon.com/AmazonECS/latest/developerguide/task_definitions.html>`_ in the *Amazon ECS Developer Guide*.