diff --git a/src/graphs/qml/qquickgraphsbars.cpp b/src/graphs/qml/qquickgraphsbars.cpp
index c6a1cc29..562f8aff 100644
--- a/src/graphs/qml/qquickgraphsbars.cpp
+++ b/src/graphs/qml/qquickgraphsbars.cpp
@@ -1129,6 +1129,9 @@ void QQuickGraphsBars::updateBarVisuals(QBar3DSeries *series)
     QColor barColor;
 
     if (m_barsController->optimizationHints() == QAbstract3DGraph::OptimizationLegacy) {
+        // Release resources that might not have been deleted even though deleteLater had been set
+        window()->releaseResources();
+
         if (!rangeGradient) {
             for (int i = 0; i < barList.count(); i++) {
                 QQuick3DModel *model = barList.at(i)->model;
diff --git a/src/graphs/qml/qquickgraphsscatter.cpp b/src/graphs/qml/qquickgraphsscatter.cpp
index 356f3abf..4f62c3fc 100644
--- a/src/graphs/qml/qquickgraphsscatter.cpp
+++ b/src/graphs/qml/qquickgraphsscatter.cpp
@@ -233,6 +233,8 @@ void QQuickGraphsScatter::updateScatterGraphItemVisuals(ScatterModel *graphModel
                           == Q3DTheme::ColorStyleRangeGradient) ? true : false;
 
     if (m_scatterController->optimizationHints() == QAbstract3DGraph::OptimizationLegacy) {
+        // Release resources that might not have been deleted even though deleteLater had been set
+        window()->releaseResources();
 
         if (itemCount != graphModel->dataItems.size())
             qWarning() << __func__ << "Item count differs from itemList count";