diff --git a/src/msw/radiobox.cpp b/src/msw/radiobox.cpp
index af205b1c32..d3a0a4f586 100644
--- a/src/msw/radiobox.cpp
+++ b/src/msw/radiobox.cpp
@@ -38,8 +38,6 @@
     #include "wx/log.h"
 #endif
 
-#include "wx/notebook.h"
-
 #include "wx/msw/private.h"
 
 #if wxUSE_TOOLTIPS