diff --git a/examples/boxes/main.cpp b/examples/boxes/main.cpp
index b55226fb..7e6dc3f2 100644
--- a/examples/boxes/main.cpp
+++ b/examples/boxes/main.cpp
@@ -51,7 +51,7 @@ public:
     }
 };
 
-void addTestRectangle( QskLinearBox* parent )
+static void addTestRectangle( QskLinearBox* parent )
 {
     auto box = new Box( parent );
     box->setMargins( 50 );
diff --git a/examples/gbenchmark/Benchmark.cpp b/examples/gbenchmark/Benchmark.cpp
index d1fa5f93..c7abc696 100644
--- a/examples/gbenchmark/Benchmark.cpp
+++ b/examples/gbenchmark/Benchmark.cpp
@@ -122,7 +122,7 @@ bool Benchmark::run( const QString& dirName )
 
         for ( int i = 0; i < qvgFiles.size(); i++ )
         {
-            int textureId = QskGraphicTextureFactory::createTexture(
+            const auto textureId = QskGraphicTextureFactory::createTexture(
                 QskGraphicTextureFactory::OpenGL, targetRect, Qt::KeepAspectRatio,
                 graphics[i], colorFilter );
 
@@ -146,7 +146,7 @@ bool Benchmark::run( const QString& dirName )
 
         for ( int i = 0; i < qvgFiles.size(); i++ )
         {
-            int textureId = QskGraphicTextureFactory::createTexture(
+            const auto textureId = QskGraphicTextureFactory::createTexture(
                 QskGraphicTextureFactory::Raster, targetRect, Qt::KeepAspectRatio,
                 graphics[i], colorFilter );
 
diff --git a/examples/sliders/SliderSkinlet.cpp b/examples/sliders/SliderSkinlet.cpp
index 38d2fb06..74469af8 100644
--- a/examples/sliders/SliderSkinlet.cpp
+++ b/examples/sliders/SliderSkinlet.cpp
@@ -20,12 +20,12 @@
 
 #if 1
 // should be skin hints
-const qreal qskMinorTick = 20;
-const qreal qskMajorTick = 1.5 * qskMinorTick;
-const qreal qskMargin = 20;
-const qreal qskPeak = 10;
+static const qreal qskMinorTick = 20;
+static const qreal qskMajorTick = 1.5 * qskMinorTick;
+static const qreal qskMargin = 20;
+static const qreal qskPeak = 10;
 
-QFont qskLabelFont;
+static QFont qskLabelFont;
 #endif
 
 class TicksNode : public QSGGeometryNode
diff --git a/examples/thumbnails/main.cpp b/examples/thumbnails/main.cpp
index 8d28f342..cacd6278 100644
--- a/examples/thumbnails/main.cpp
+++ b/examples/thumbnails/main.cpp
@@ -48,7 +48,7 @@ static QColor randomColor()
         "DarkSlateGray"
     };
 
-    const int index = qrand() % ( sizeof( colors ) / sizeof( colors[0] ) );
+    const int index = qrand() % int( ( sizeof( colors ) / sizeof( colors[0] ) ) );
     return QColor( colors[ index ] );
 }