case wxSYS_COLOUR_HIGHLIGHT:
-#if 0 && (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_3)
+#if 0
// NB: enable this case as desired
colorBrushID = kThemeBrushAlternatePrimaryHighlightColor;
#else
break ;
case wxSYS_COLOUR_HIGHLIGHTTEXT :
-#if 0 && (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_3)
+#if 0
// NB: enable this case as desired
resultColor = *wxWHITE ;
#else