diff --git a/programs/oleview/typelib.c b/programs/oleview/typelib.c
index 3a60348ed73..04b9067a0fb 100644
--- a/programs/oleview/typelib.c
+++ b/programs/oleview/typelib.c
@@ -18,8 +18,6 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
-#define NONAMELESSUNION
-
 #include "main.h"
 
 #include "wine/debug.h"