Index: /trunk/src/VBox/Frontends/VirtualBox/src/runtime/UIFrameBuffer.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/runtime/UIFrameBuffer.cpp	(revision 55833)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/runtime/UIFrameBuffer.cpp	(revision 55834)
@@ -301,5 +301,4 @@
     static void drawImageRect(QPainter &painter, const QImage &image, const QRect &rect,
                               int iContentsShiftX, int iContentsShiftY,
-                              ScalingOptimizationType enmScalingOptimizationType,
                               bool fUseUnscaledHiDPIOutput,
                               HiDPIOptimizationType hiDPIOptimizationType,
@@ -1370,6 +1369,5 @@
     drawImageRect(painter, sourceImage, paintRect,
                   m_pMachineView->contentsX(), m_pMachineView->contentsY(),
-                  scalingOptimizationType(), useUnscaledHiDPIOutput(),
-                  hiDPIOptimizationType(), backingScaleFactor());
+                  useUnscaledHiDPIOutput(), hiDPIOptimizationType(), backingScaleFactor());
 }
 
@@ -1438,6 +1436,5 @@
     drawImageRect(painter, sourceImage, paintRect,
                   m_pMachineView->contentsX(), m_pMachineView->contentsY(),
-                  scalingOptimizationType(), useUnscaledHiDPIOutput(),
-                  hiDPIOptimizationType(), backingScaleFactor());
+                  useUnscaledHiDPIOutput(), hiDPIOptimizationType(), backingScaleFactor());
 }
 
@@ -1502,11 +1499,8 @@
 void UIFrameBufferPrivate::drawImageRect(QPainter &painter, const QImage &image, const QRect &rect,
                                          int iContentsShiftX, int iContentsShiftY,
-                                         ScalingOptimizationType enmScalingOptimizationType,
                                          bool fUseUnscaledHiDPIOutput,
                                          HiDPIOptimizationType hiDPIOptimizationType,
                                          double dBackingScaleFactor)
 {
-    NOREF(enmScalingOptimizationType);
-
     /* Calculate offset: */
     size_t offset = (rect.x() + iContentsShiftX) * image.depth() / 8 +