diff --git a/gui/src/Visualization/VisualizationTabWidget.cpp b/gui/src/Visualization/VisualizationTabWidget.cpp
index 3911ee1..deaec53 100644
--- a/gui/src/Visualization/VisualizationTabWidget.cpp
+++ b/gui/src/Visualization/VisualizationTabWidget.cpp
@@ -36,6 +36,9 @@ VisualizationTabWidget::VisualizationTabWidget(const QString &name, QWidget *par
           impl{spimpl::make_unique_impl<VisualizationTabWidgetPrivate>(name)}
 {
     ui->setupUi(this);
+
+    // Widget is deleted when closed
+    setAttribute(Qt::WA_DeleteOnClose);
 }
 
 VisualizationTabWidget::~VisualizationTabWidget()
diff --git a/gui/src/Visualization/VisualizationWidget.cpp b/gui/src/Visualization/VisualizationWidget.cpp
index ef992ef..1db85d6 100644
--- a/gui/src/Visualization/VisualizationWidget.cpp
+++ b/gui/src/Visualization/VisualizationWidget.cpp
@@ -48,7 +48,13 @@ VisualizationWidget::VisualizationWidget(QWidget *parent)
             enableMinimumCornerWidgetSize(true);
         }
 
+        // Removes widget from tab and closes it
+        auto widget = ui->tabWidget->widget(index);
         ui->tabWidget->removeTab(index);
+        if (widget) {
+            widget->close();
+        }
+
         qCInfo(LOG_VisualizationWidget()) << tr("remove the tab of index %1").arg(index);
 
     };