diff --git a/tools/widl/typelib.c b/tools/widl/typelib.c
index 8632fdfe2ed..6ac748f4041 100644
--- a/tools/widl/typelib.c
+++ b/tools/widl/typelib.c
@@ -32,9 +32,6 @@
 #include <string.h>
 #include <ctype.h>
 
-#define NONAMELESSUNION
-#define NONAMELESSSTRUCT
-
 #include "windef.h"
 #include "winbase.h"
 
diff --git a/tools/widl/write_msft.c b/tools/widl/write_msft.c
index adffe8571e8..4c85849d2ad 100644
--- a/tools/widl/write_msft.c
+++ b/tools/widl/write_msft.c
@@ -38,7 +38,6 @@
 #include <time.h>
 
 #define NONAMELESSUNION
-#define NONAMELESSSTRUCT
 
 #include "winerror.h"
 #include "windef.h"