[role="xpack"] [testenv="platinum"] [[ml-delete-expired-data]] === Delete expired data API ++++ <titleabbrev>Delete expired data</titleabbrev> ++++ Deletes expired and unused machine learning data. [[ml-delete-expired-data-request]] ==== {api-request-title} `DELETE _ml/_delete_expired_data` [[ml-delete-expired-data-prereqs]] ==== {api-prereq-title} * If the {es} {security-features} are enabled, you must have `manage_ml` or `manage` cluster privileges to use this API. See {stack-ov}/security-privileges.html[Security privileges]. [[ml-delete-expired-data-desc]] ==== {api-description-title} Deletes all job results, model snapshots and forecast data that have exceeded their `retention days` period. Machine learning state documents that are not associated with any job are also deleted. [[ml-delete-expired-data-example]] ==== {api-examples-title} The endpoint takes no arguments: [source,console] -------------------------------------------------- DELETE _ml/_delete_expired_data -------------------------------------------------- // TEST When the expired data is deleted, you receive the following response: [source,console-result] ---- { "deleted": true } ----