diff --git a/billard/tasks.py b/billard/tasks.py
index 25383d6..77c356d 100644
--- a/billard/tasks.py
+++ b/billard/tasks.py
@@ -79,3 +79,10 @@ def process_location_data(sender, **kwargs):
                         log.error(ld.error_msg)
         except:
             log.exception('', exc_info=True)
+
+
+@receiver(post_save, sender=Accounting)
+def process_accounting_data(sender, **kwargs):
+    log.info('Starte die Verarbeitung der Accounting-Data-Objecte')
+    data = Accounting.objects.filter(prize=0.0, reporter_uuid__isnull=True).exclude(time_to__isnull=True)
+    data.delete()