diff --git a/include/wx/defs.h b/include/wx/defs.h
index 5b301ab132..786572f161 100644
--- a/include/wx/defs.h
+++ b/include/wx/defs.h
@@ -1127,12 +1127,6 @@ enum wxBorder
 // be modal. No progress will then be made at all.
 #define wxPD_REMAINING_TIME     0x0040
 
-/*
- * wxHtmlWindow flags
- */
-#define wxHW_SCROLLBAR_NEVER    0x0002
-#define wxHW_SCROLLBAR_AUTO     0x0004
-
 /*
  * extended dialog specifiers. these values are stored in a different
  * flag and thus do not overlap with other style flags. note that these