diff --git a/dlls/shlwapi/tests/string.c b/dlls/shlwapi/tests/string.c
index 209a3c8d0c6..5bed26611d0 100644
--- a/dlls/shlwapi/tests/string.c
+++ b/dlls/shlwapi/tests/string.c
@@ -19,8 +19,6 @@
 
 #include <stdio.h>
 
-#define NONAMELESSUNION
-#define NONAMELESSSTRUCT
 #include "wine/test.h"
 #include "winbase.h"
 #include "winerror.h"