Clearing upload folder


I’m running NC 17.0.3 and there is a big question:

After a broken upload the uploaded data are stored in the upload directory from the user. Who cleaned this directory and when? Could the cron script this clean?

Sorry for my bad english,

Update: Well, there are a backgroud job to clean the upload folder.
Unfortunately there are hard coded, that this job ist running one time in 24 hours and the data to clean are at least 24 houres old. After Murphys Law the data are deleted after 2 days. It’s better, this 2 timecodes are adjustable via config.php

Sorry for my bad english.