diff --git a/src/Gui/DlgUnitsCalculatorImp.cpp b/src/Gui/DlgUnitsCalculatorImp.cpp
index c836723f90..6d28ced633 100644
--- a/src/Gui/DlgUnitsCalculatorImp.cpp
+++ b/src/Gui/DlgUnitsCalculatorImp.cpp
@@ -98,6 +98,7 @@ void DlgUnitsCalculator::reject()
 
 void DlgUnitsCalculator::textChanged(QString unit)
 {
+    Q_UNUSED(unit)
     valueChanged(actValue);
 }
 
diff --git a/src/Mod/TechDraw/App/DrawProjGroup.h b/src/Mod/TechDraw/App/DrawProjGroup.h
index 8a27a3fb3a..011c8731aa 100644
--- a/src/Mod/TechDraw/App/DrawProjGroup.h
+++ b/src/Mod/TechDraw/App/DrawProjGroup.h
@@ -174,7 +174,7 @@ protected:
     Base::Vector3d dir2vec(gp_Dir d);
     gp_Dir vec2dir(Base::Vector3d v);
 
-    virtual void handleChangedPropertyType(Base::XMLReader &reader, const char *TypeName, App::Property * prop);
+    virtual void handleChangedPropertyType(Base::XMLReader &reader, const char *TypeName, App::Property * prop) override;
 
 };