Facebook was forced to shut off some tools the company uses to detect potential child abuse cases in the European Union because of a new privacy directive that went into effect on Monday.

The ePrivacy directive prohibits companies from automatically scanning private messages between users, according to the BBC. Facebook scans messages in its Messenger app and on Instagram for “online conversations that have the hallmarks of abusers grooming victims,” in addition to scanning images that have yet to be logged by investigators.