diff --git a/src/console/analytics/categoryaggregator.cpp b/src/console/analytics/categoryaggregator.cpp
index 922d564..5c053cf 100644
--- a/src/console/analytics/categoryaggregator.cpp
+++ b/src/console/analytics/categoryaggregator.cpp
@@ -111,7 +111,7 @@ void CategoryAggregator::updateTimelineChart()
         mapper->setSeries(series);
 
         auto areaSeries = new QAreaSeries(series, prevSeries);
-        series->setParent(areaSeries); // otherwise series isn't deleted by removeAllSeries!
+//         series->setParent(areaSeries); // otherwise series isn't deleted by removeAllSeries!
         areaSeries->setName(timeAggregationModel()->headerData(i, Qt::Horizontal).toString().toHtmlEscaped());
         m_timelineChart->addSeries(areaSeries);