Purging build results via scheduler won't delete build results in the internal database

When creating a purge definition (+scheduler) for build results in the web interface, old build results will be deleted in the file system's build-output-directory, but in the web interface (when clicking on the "Builds" tab after selecting a project) there are still shown all build results. So it looks like that the build results in the internal database are not deleted by the purge job.

Alternatively, when deleting a build result via the XMLRPC interface, it is deleted from the build-output-directory as well as the internal database - the build then is not shown anymore in the web interface. IMHO this should be the expected behavior for the scheduled purge jobs too.