# RavenDB Persistence Upgrade from 7 to 8 ## Timeout storage The [timeout manager is removed from core](/nservicebus/upgrades/7to8/index.md#timeout-manager-removed) which makes timeout storage obsolete. - Any configuration APIs can safely be removed. - Database tables must be manually removed from storage. > [!NOTE] > There is no automatic migration of timeout data. See [Timeout manager removed - Data migration](/nservicebus/upgrades/7to8/index.md#timeout-manager-removed-data-migration).