diff --git a/examples/osgwidgetbox/osgwidgetbox.cpp b/examples/osgwidgetbox/osgwidgetbox.cpp
index 91dbae4e3..a1645d6d2 100644
--- a/examples/osgwidgetbox/osgwidgetbox.cpp
+++ b/examples/osgwidgetbox/osgwidgetbox.cpp
@@ -49,7 +49,7 @@ struct ColorWidget: public osgWidget::Widget {
         return true;
     }
 
-    bool keyUp(int key, int keyMask, osgWidget::WindowManager*) {
+    bool keyUp(int /*key*/, int /*keyMask*/, osgWidget::WindowManager*) {
         // osgWidget::warn() << "..." << key << " - " << keyMask << std::endl;
 
         return true;
@@ -78,7 +78,8 @@ osgWidget::Box* createBox(const std::string& name, osgWidget::Box::BoxType bt) {
     return box;
 }
 
-int main(int argc, char** argv) {
+int main(int, char**)
+{
     osgViewer::Viewer viewer;
 
     osgWidget::WindowManager* wm = new osgWidget::WindowManager(
diff --git a/examples/osgwidgetmessagebox/osgwidgetmessagebox.cpp b/examples/osgwidgetmessagebox/osgwidgetmessagebox.cpp
index acd1b5655..af662ad34 100644
--- a/examples/osgwidgetmessagebox/osgwidgetmessagebox.cpp
+++ b/examples/osgwidgetmessagebox/osgwidgetmessagebox.cpp
@@ -300,9 +300,8 @@ const char* LABEL1 =
     "nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in..."
 ;
 
-int main(int argc, char** argv)
+int main(int, char**)
 {
-
     osgViewer::Viewer viewer;
 
     osgWidget::WindowManager* wm = new osgWidget::WindowManager(