[android-components](../../index.md) / [mozilla.components.concept.storage](../index.md) / [HistoryStorage](index.md) / [prune](./prune.md)

# prune

`abstract suspend fun prune(): `[`Unit`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html) [(source)](https://github.com/mozilla-mobile/android-components/blob/master/components/concept/storage/src/main/java/mozilla/components/concept/storage/HistoryStorage.kt#L119)

Prune history storage, removing stale history.

