code: def _aggregations_delete(aggregation_types=None,
                           start_date=None, end_date=None):
      
      aggregation_types = (aggregation_types or
                           list(current_stats.enabled_aggregations))
      for a in aggregation_types:
          aggr_cfg = current_stats.aggregations[a]
          aggregator = aggr_cfg.aggregator_class(
              name=aggr_cfg.name, **aggr_cfg.aggregator_config)
          aggregator.delete(start_date, end_date)
docs: Delete computed aggregations.