diff --git a/python/libxml_wrap.h b/python/libxml_wrap.h
index 7a38f54..e318a15 100644
--- a/python/libxml_wrap.h
+++ b/python/libxml_wrap.h
@@ -30,10 +30,9 @@
 #ifdef ATTRIBUTE_UNUSED
 #undef ATTRIBUTE_UNUSED
 #endif
-#include <ansidecl.h>
 #ifndef ATTRIBUTE_UNUSED
-#define ATTRIBUTE_UNUSED
-#endif
+#define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
+#endif /* ATTRIBUTE_UNUSED */
 #else
 #define ATTRIBUTE_UNUSED
 #endif