diff --git a/src/XawI18n.h b/src/XawI18n.h
index 45cb9a5..30f796b 100644
--- a/src/XawI18n.h
+++ b/src/XawI18n.h
@@ -30,6 +30,7 @@ in this Software without prior written authorization from The Open Group.
#ifdef HAS_WCTYPE_H
#include <wctype.h>
+#if 0
#ifndef NO_WIDEC_H
#include <widec.h>
#define wcslen(c) wslen(c)
@@ -37,6 +38,7 @@ in this Software without prior written authorization from The Open Group.
#define wcsncpy(d, s, l) wsncpy(d, s, l)
#endif
#endif
+#endif
#ifdef HAS_WCHAR_H
#include <wchar.h>