def METHOD_NAME(migrate_engine):
    metadata = MetaData(bind=migrate_engine)
    Table("pinnable_releases", metadata, autoload=True).drop()
    Table("pinnable_releases_scheduled_changes", metadata, autoload=True).drop()
    Table("pinnable_releases_scheduled_changes_history", metadata, autoload=True).drop()
    Table("pinnable_releases_scheduled_changes_conditions", metadata, autoload=True).drop()
    Table("pinnable_releases_scheduled_changes_conditions_history", metadata, autoload=True).drop()
    Table("pinnable_releases_scheduled_changes_signoffs", metadata, autoload=True).drop()
    Table("pinnable_releases_scheduled_changes_signoffs_history", metadata, autoload=True).drop()