[android-components](../../index.md) / [mozilla.components.browser.engine.system](../index.md) / [SystemEngineSession](index.md) / [clearData](./clear-data.md)

# clearData

`fun clearData(data: `[`BrowsingData`](../../mozilla.components.concept.engine/-engine/-browsing-data/index.md)`, host: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`?, onSuccess: () -> `[`Unit`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html)`, onError: (`[`Throwable`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-throwable/index.html)`) -> `[`Unit`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html)`): `[`Unit`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html) [(source)](https://github.com/mozilla-mobile/android-components/blob/master/components/browser/engine-system/src/main/java/mozilla/components/browser/engine/system/SystemEngineSession.kt#L191)

Overrides [DataCleanable.clearData](../../mozilla.components.concept.engine/-data-cleanable/clear-data.md)

See [EngineSession.clearData](../../mozilla.components.concept.engine/-data-cleanable/clear-data.md)

