protected function deleteFavorites( array $ids )
	{
		$cntl = \Aimeos\Controller\Frontend::create( $this->getContext(), 'customer' );
		$item = $cntl->uses( ['product' => ['favorite']] )->get();

		foreach( $ids as $id )
		{
			if( ( $listItem = $item->getListItem( 'product', 'favorite', $id ) ) !== null ) {
				$cntl->deleteListItem( 'product', $listItem );
			}
		}

		$cntl->store();
	}