diff --git a/contrib/src/mmedia/vidxanm.cpp b/contrib/src/mmedia/vidxanm.cpp
index 1630c05d76..9dd6965577 100644
--- a/contrib/src/mmedia/vidxanm.cpp
+++ b/contrib/src/mmedia/vidxanm.cpp
@@ -25,6 +25,7 @@
 #include <gtk/gtkwidget.h>
 #include <gtk/gtkwindow.h>
 #include <gdk/gdk.h>
+#include <gdk/gdkx.h>
 #include <gdk/gdkprivate.h>
 #endif
 
diff --git a/include/wx/xrc/xmlres.h b/include/wx/xrc/xmlres.h
index e6ea2bee4d..2644c6e86a 100644
--- a/include/wx/xrc/xmlres.h
+++ b/include/wx/xrc/xmlres.h
@@ -24,6 +24,7 @@
 #include "wx/bitmap.h"
 #include "wx/icon.h"
 #include "wx/artprov.h"
+#include "wx/colour.h"
 
 #include "wx/xml/xml.h"