@ -227,6 +227,7 @@ class CollectionItemViewSet(BaseViewSet):
raise Http404("Collection does not exist")
# XXX Potentially add this for performance: .prefetch_related('revisions__chunks')
queryset = type(self).queryset.filter(collection__pk=collection.pk,
uid__isnull=False,
revisions__current=True,
revisions__deleted=False)