diff --git a/include/wx/utils.h b/include/wx/utils.h
index ff1dc72acf..ac5f6241d3 100644
--- a/include/wx/utils.h
+++ b/include/wx/utils.h
@@ -782,7 +782,7 @@ void WXDLLIMPEXP_CORE wxGetMousePosition( int* x, int* y );
 // X11 Display access
 // ----------------------------------------------------------------------------
 
-#if defined(__X__) || defined(__WXGTK__)
+#if defined(__X__) || (defined(__WXGTK__) && defined(__UNIX__))
 
 #ifdef __WXGTK__
     WXDLLIMPEXP_CORE void *wxGetDisplay();
diff --git a/src/gtk/utilsgtk.cpp b/src/gtk/utilsgtk.cpp
index 6dc15e1a2d..1437b7df59 100644
--- a/src/gtk/utilsgtk.cpp
+++ b/src/gtk/utilsgtk.cpp
@@ -72,6 +72,8 @@ void wxBell()
 // display characteristics
 // ----------------------------------------------------------------------------
 
+#if defined(__UNIX__)
+
 void *wxGetDisplay()
 {
     return wxGetDisplayInfo().dpy;
@@ -98,6 +100,8 @@ wxDisplayInfo wxGetDisplayInfo()
     return info;
 }
 
+#endif // __UNIX__
+
 wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
 {
     return wxGenericFindWindowAtPoint(pt);