diff --git a/gui/include/Visualization/VisualizationTabWidget.h b/gui/include/Visualization/VisualizationTabWidget.h
index 51dac55..e955860 100644
--- a/gui/include/Visualization/VisualizationTabWidget.h
+++ b/gui/include/Visualization/VisualizationTabWidget.h
@@ -7,6 +7,7 @@
 
 #include <QWidget>
 
+class Variable;
 class VisualizationZoneWidget;
 
 namespace Ui {
diff --git a/gui/include/Visualization/VisualizationZoneWidget.h b/gui/include/Visualization/VisualizationZoneWidget.h
index e049829..82f5418 100644
--- a/gui/include/Visualization/VisualizationZoneWidget.h
+++ b/gui/include/Visualization/VisualizationZoneWidget.h
@@ -9,6 +9,7 @@ namespace Ui {
 class VisualizationZoneWidget;
 } // Ui
 
+class Variable;
 class VisualizationGraphWidget;
 
 class VisualizationZoneWidget : public QWidget, public IVisualizationWidget {
diff --git a/gui/vera-exclusions/exclusions.txt b/gui/vera-exclusions/exclusions.txt
index 0bcc8be..72b8768 100644
--- a/gui/vera-exclusions/exclusions.txt
+++ b/gui/vera-exclusions/exclusions.txt
@@ -8,4 +8,6 @@ SqpApplication\.h:\d+:.IPSIS_S04_VARIABLE.*found: sqpApp
 
 # Ignore false positive relative to unnamed namespace
 DataSourceTreeWidgetItem\.cpp:\d+:.*IPSIS_F13.*
+VisualizationTabWidget\.cpp:\d+:.*IPSIS_F13.*
+VisualizationZoneWidget\.cpp:\d+:.*IPSIS_F13.*