diff --git a/include/osgViewer/ViewerEventHandlers b/include/osgViewer/ViewerEventHandlers
index 65e71b18d..c895b3bcf 100644
--- a/include/osgViewer/ViewerEventHandlers
+++ b/include/osgViewer/ViewerEventHandlers
@@ -93,9 +93,6 @@ class OSGVIEWER_EXPORT StatsHandler : public osgGA::GUIEventHandler
         void setKeyEventPrintsOutStats(int key) { _keyEventPrintsOutStats = key; }
         int getKeyEventPrintsOutStats() const { return _keyEventPrintsOutStats; }
 
-        void setKeyEventToggleVSync(int key) { _keyEventToggleVSync = key; }
-        int getKeyEventToggleVSync() const { return _keyEventToggleVSync; }
-
         double getBlockMultiplier() const { return _blockMultiplier; }
 
         void reset();
@@ -172,7 +169,6 @@ protected:
 
         int                                 _keyEventTogglesOnScreenStats;
         int                                 _keyEventPrintsOutStats;
-        int                                 _keyEventToggleVSync;
 
         int                                 _statsType;