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>