diff --git a/src/common/QskAspect.h b/src/common/QskAspect.h
index 933d135e..87164eee 100644
--- a/src/common/QskAspect.h
+++ b/src/common/QskAspect.h
@@ -288,7 +288,7 @@ namespace QskAspect
 
     inline constexpr quint64 Aspect::value() const
     {
-        return *reinterpret_cast< const quint64* >( this );
+        return *( const quint64* ) this;
     }
 
     inline bool Aspect::isAnimator() const
@@ -398,7 +398,7 @@ namespace QskAspect
 
     inline constexpr Aspect operator|( Subcontrol subControl, const Aspect& aspect )
     {
-        return subControl | aspect;
+        return aspect | subControl;
     }
 
     inline constexpr Aspect operator|( Type type, const Aspect& aspect )
diff --git a/src/common/QskBoxShapeMetrics.h b/src/common/QskBoxShapeMetrics.h
index 78c0a8c4..36fc42b3 100644
--- a/src/common/QskBoxShapeMetrics.h
+++ b/src/common/QskBoxShapeMetrics.h
@@ -76,7 +76,7 @@ public:
 
 private:
     inline constexpr QskBoxShapeMetrics( Qt::SizeMode sizeMode, const QSizeF radii[4] ):
-        m_radii( { radii[0], radii[1], radii[2], radii[3] } ),
+        m_radii{ radii[0], radii[1], radii[2], radii[3] },
         m_sizeMode( sizeMode ),
         m_aspectRatioMode( Qt::KeepAspectRatio )
     {
@@ -88,7 +88,7 @@ private:
 };
 
 inline constexpr QskBoxShapeMetrics::QskBoxShapeMetrics():
-    m_radii( { { 0.0, 0.0 }, { 0.0, 0.0 }, { 0.0, 0.0 }, { 0.0, 0.0 } } ),
+    m_radii{ { 0.0, 0.0 }, { 0.0, 0.0 }, { 0.0, 0.0 }, { 0.0, 0.0 } },
     m_sizeMode( Qt::AbsoluteSize ),
     m_aspectRatioMode( Qt::KeepAspectRatio )
 {
@@ -101,8 +101,8 @@ inline QskBoxShapeMetrics::QskBoxShapeMetrics( qreal radius, Qt::SizeMode sizeMo
 
 inline constexpr QskBoxShapeMetrics::QskBoxShapeMetrics( qreal topLeft, qreal topRight,
         qreal bottomLeft, qreal bottomRight, Qt::SizeMode sizeMode ):
-    m_radii( { { topLeft, topLeft }, { topRight, topRight },
-        { bottomLeft, bottomLeft }, { bottomRight, bottomRight } } ),
+    m_radii{ { topLeft, topLeft }, { topRight, topRight },
+        { bottomLeft, bottomLeft }, { bottomRight, bottomRight } },
     m_sizeMode( sizeMode ),
     m_aspectRatioMode( Qt::KeepAspectRatio )
 {
diff --git a/src/common/QskObjectCounter.cpp b/src/common/QskObjectCounter.cpp
index 30bbd55d..3e91eb75 100644
--- a/src/common/QskObjectCounter.cpp
+++ b/src/common/QskObjectCounter.cpp
@@ -145,41 +145,26 @@ void QskObjectCounter::reset()
 
 int QskObjectCounter::created( ObjectType objectType ) const
 {
-    if ( objectType >= 0 && objectType < 2 )
-        return m_counter[objectType].created;
-
-    return 0;
+    return m_counter[objectType].created;
 }
 
 int QskObjectCounter::destroyed( ObjectType objectType ) const
 {
-    if ( objectType >= 0 && objectType < 2 )
-        return m_counter[objectType].destroyed;
-
-    return 0;
+    return m_counter[objectType].destroyed;
 }
 
 int QskObjectCounter::current( ObjectType objectType ) const
 {
-    if ( objectType >= 0 && objectType < 2 )
-        return m_counter[objectType].current;
-
-    return 0;
+    return m_counter[objectType].current;
 }
 
 int QskObjectCounter::maximum( ObjectType objectType ) const
 {
-    if ( objectType >= 0 && objectType < 2 )
-        return m_counter[objectType].maximum;
-
-    return 0;
+    return m_counter[objectType].maximum;
 }
 
 void QskObjectCounter::debugStatistics( QDebug debug, ObjectType objectType ) const
 {
-    if ( objectType < 0 || objectType >= 2 )
-        return;
-
     const Counter& c = m_counter[objectType];
 
     QDebugStateSaver saver( debug );
diff --git a/src/controls/QskInputPanel.cpp b/src/controls/QskInputPanel.cpp
index 4fa90132..7671bb93 100644
--- a/src/controls/QskInputPanel.cpp
+++ b/src/controls/QskInputPanel.cpp
@@ -181,15 +181,6 @@ static qreal qskRowStretch( const QskInputPanel::KeyRow& keyRow )
     return stretch;
 }
 
-static inline int qskKeyCount( const QskInputPanel::KeyDataRow& keyRow )
-{
-    int keyCount = QskInputPanel::KeyCount;
-    while ( !keyRow[ keyCount - 1 ].key )
-        --keyCount;
-
-    return keyCount;
-}
-
 namespace
 {
     struct KeyCounter
diff --git a/src/controls/QskSkinTransition.cpp b/src/controls/QskSkinTransition.cpp
index 46797f3f..5016be76 100644
--- a/src/controls/QskSkinTransition.cpp
+++ b/src/controls/QskSkinTransition.cpp
@@ -416,7 +416,7 @@ void QskSkinTransition::process()
 
     qskSkinAnimator->reset();
 
-    if ( ( m_animation.duration <= 0 ) || ( m_mask == QskAspect::Type( 0 ) ) )
+    if ( ( m_animation.duration <= 0 ) || ( m_mask == 0 ) )
     {
         // no animations, we can apply the changes
         updateSkin( m_skins[0], m_skins[1] );
diff --git a/src/controls/QskSkinnable.h b/src/controls/QskSkinnable.h
index 26881238..c01a1117 100644
--- a/src/controls/QskSkinnable.h
+++ b/src/controls/QskSkinnable.h
@@ -18,7 +18,7 @@ class QRectF;
 class QColor;
 class QFont;
 class QMarginsF;
-class QMetaObject;
+struct QMetaObject;
 class QVariant;
 class QDebug;
 
diff --git a/src/layouts/QskLayoutEngine.cpp b/src/layouts/QskLayoutEngine.cpp
index 7a1d608c..5e0185ab 100644
--- a/src/layouts/QskLayoutEngine.cpp
+++ b/src/layouts/QskLayoutEngine.cpp
@@ -56,6 +56,10 @@ namespace
     class LayoutStyleInfo final : public QAbstractLayoutStyleInfo
     {
     public:
+        LayoutStyleInfo()
+        {
+        }
+
         virtual qreal spacing( Qt::Orientation ) const override
         {
             // later from the theme !!
diff --git a/src/nodes/QskBoxNode.cpp b/src/nodes/QskBoxNode.cpp
index f4d2459a..a2d6958e 100644
--- a/src/nodes/QskBoxNode.cpp
+++ b/src/nodes/QskBoxNode.cpp
@@ -16,19 +16,6 @@
 
 static QSGVertexColorMaterial qskMaterialVertex;
 
-static inline bool qskHasAlpha( const QRgb* rgbValues )
-{
-    return qAlpha( rgbValues[0] ) || qAlpha( rgbValues[1] )
-        || qAlpha( rgbValues[2] ) || qAlpha( rgbValues[3] );
-}
-
-static inline bool qskIsMonochrome( const QRgb* rgbValues )
-{
-    return ( rgbValues[0] == rgbValues[1] )
-        && ( rgbValues[1] == rgbValues[2] )
-        && ( rgbValues[2] == rgbValues[3] );
-}
-
 static inline uint qskMetricsHash( const QskBoxShapeMetrics& shape,
     const QskBoxBorderMetrics& borderMetrics )
 {
@@ -190,7 +177,7 @@ void QskBoxNode::setMonochrome( bool on )
         setMaterial( new QSGFlatColorMaterial() );
 
         const QSGGeometry g( QSGGeometry::defaultAttributes_Point2D(), 0 );
-        memcpy( &m_geometry, &g, sizeof( QSGGeometry ) );
+        memcpy( (void *)&m_geometry, (void *)&g, sizeof( QSGGeometry ) );
     }
     else
     {
@@ -198,6 +185,6 @@ void QskBoxNode::setMonochrome( bool on )
         delete material;
 
         const QSGGeometry g( QSGGeometry::defaultAttributes_ColoredPoint2D(), 0 );
-        memcpy( &m_geometry, &g, sizeof( QSGGeometry ) );
+        memcpy( (void *)&m_geometry, (void *)&g, sizeof( QSGGeometry ) );
     }
 }