# Deleting old elastic logs data

**URL:** <https://discuss.elastic.co/t/deleting-old-elastic-logs-data/302103>\
**Category:** Elasticsearch\
**Tags:** elastic-stack-machine-learning\
**Created:** [April 11, 2022, 12:51pm UTC](https://discuss.elastic.co/t/deleting-old-elastic-logs-data/302103 "2022-04-11T12:51:55Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Shahzaib\_Abid](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/shahzaib_abid/32/103060_2.png) [@Shahzaib\_Abid](https://discuss.elastic.co/u/Shahzaib_Abid)\
**Post date:** [April 11, 2022, 12:51pm UTC](https://discuss.elastic.co/t/deleting-old-elastic-logs-data/302103/1 "2022-04-11T12:51:55Z")

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Hi all,

if i delete old elastic logs data which my model was trained on, does that make my model useless? i.e. Will it stop detecting anomalies?

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**Author:** ![richcollier](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/richcollier/32/115035_2.png) [@richcollier](https://discuss.elastic.co/u/richcollier)\
**Post date:** [April 11, 2022, 1:24pm UTC](https://discuss.elastic.co/t/deleting-old-elastic-logs-data/302103/2 "2022-04-11T13:24:40Z")

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No, the models for Anomaly Detection jobs are a cumulative representation of the data seen by the job and do not rely on the source data to be present, once seen.

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [May 9, 2022, 1:24pm UTC](https://discuss.elastic.co/t/deleting-old-elastic-logs-data/302103/3 "2022-05-09T13:24:53Z")

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