diff --git a/dlls/msdaps/main.c b/dlls/msdaps/main.c
index 14c6c0127ce..403df3a100b 100644
--- a/dlls/msdaps/main.c
+++ b/dlls/msdaps/main.c
@@ -21,8 +21,6 @@
 #include <string.h>
 
 #define COBJMACROS
-#define NONAMELESSUNION
-#define NONAMELESSSTRUCT
 
 #include "windef.h"
 #include "winbase.h"
diff --git a/dlls/msdaps/row_server.c b/dlls/msdaps/row_server.c
index 9afe88168eb..784ade8418d 100644
--- a/dlls/msdaps/row_server.c
+++ b/dlls/msdaps/row_server.c
@@ -21,8 +21,6 @@
 #include <string.h>
 
 #define COBJMACROS
-#define NONAMELESSUNION
-#define NONAMELESSSTRUCT
 
 #include "windef.h"
 #include "winbase.h"
diff --git a/dlls/msdaps/usrmarshal.c b/dlls/msdaps/usrmarshal.c
index b70d3f4312e..1243e480464 100644
--- a/dlls/msdaps/usrmarshal.c
+++ b/dlls/msdaps/usrmarshal.c
@@ -21,8 +21,6 @@
 #include <string.h>
 
 #define COBJMACROS
-#define NONAMELESSUNION
-#define NONAMELESSSTRUCT
 
 #include "windef.h"
 #include "winbase.h"