diff --git a/xbob/io/externals.cpp b/xbob/io/externals.cpp
index 5a4bec510f237ba4b60e605369b7a0e5310d03ea..249e00a083da4aac3585d962bb57bd040ad1f8e8 100644
--- a/xbob/io/externals.cpp
+++ b/xbob/io/externals.cpp
@@ -10,8 +10,6 @@
 #define XBOB_IO_MODULE
 #include <xbob.io/config.h>
 
-#define XBOB_IO_VERSIONS_MODULE_NAME _externals
-
 #include <string>
 #include <cstdlib>
 #include <boost/preprocessor/stringize.hpp>