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

# clearData

`abstract fun clearData(): `[`Unit`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html) [(source)](https://github.com/mozilla-mobile/android-components/blob/master/components/concept/engine/src/main/java/mozilla/components/concept/engine/EngineSession.kt#L221)

Clears all user data sources available.

