diff --git a/nel/include/nel/misc/ucstring.h b/nel/include/nel/misc/ucstring.h
index 17f87e66a..5b95c33c2 100644
--- a/nel/include/nel/misc/ucstring.h
+++ b/nel/include/nel/misc/ucstring.h
@@ -20,8 +20,6 @@
 #ifndef NL_UCSTRING_H
 #define NL_UCSTRING_H
 
-#define RYZOM_LUA_UCSTRING
-
 #include "types_nl.h"
 #include "debug.h"