Index: /trunk/src/VBox/Frontends/VirtualBox/include/VBoxFBOverlay.h
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/include/VBoxFBOverlay.h	(revision 22854)
+++ /trunk/src/VBox/Frontends/VirtualBox/include/VBoxFBOverlay.h	(revision 22855)
@@ -1203,8 +1203,8 @@
      * @return true if the request was processed & should not be forwarded to the framebuffer
      * false - otherwise */
-    bool onRequestResize (ULONG aScreenId, ULONG aPixelFormat,
-                              BYTE *aVRAM, ULONG aBitsPerPixel, ULONG aBytesPerLine,
-                              ULONG aWidth, ULONG aHeight,
-                              BOOL *aFinished)
+    bool onRequestResize (ULONG /*aScreenId*/, ULONG /*aPixelFormat*/,
+                          BYTE * /*aVRAM*/, ULONG /*aBitsPerPixel*/, ULONG /*aBytesPerLine*/,
+                          ULONG /*aWidth*/, ULONG /*aHeight*/,
+                          BOOL * /*aFinished*/)
     {
         mCmdPipe.completeCurrentEvent();
@@ -1217,5 +1217,5 @@
     void onResizeEventPostprocess (const class VBoxResizeEvent *re);
 
-    void onViewportResized(QResizeEvent * re)
+    void onViewportResized(QResizeEvent * /*re*/)
     {
         vboxDoCheckUpdateViewport();
@@ -1223,5 +1223,5 @@
     }
 
-    void onViewportScrolled(int dx, int dy)
+    void onViewportScrolled(int /*dx*/, int /*dy*/)
     {
         vboxDoCheckUpdateViewport();
Index: /trunk/src/VBox/Frontends/VirtualBox/include/VBoxFrameBuffer.h
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/include/VBoxFrameBuffer.h	(revision 22854)
+++ /trunk/src/VBox/Frontends/VirtualBox/include/VBoxFrameBuffer.h	(revision 22855)
@@ -244,7 +244,7 @@
     virtual void doProcessVHWACommand(QEvent * pEvent);
 
-    virtual void viewportResized(QResizeEvent * re){}
-
-    virtual void viewportScrolled(int dx, int dy){}
+    virtual void viewportResized(QResizeEvent * /*re*/){}
+
+    virtual void viewportScrolled(int /*dx*/, int /*dy*/){}
 #endif