diff --git a/dlls/d3d11/Makefile.in b/dlls/d3d11/Makefile.in
index 5f664007444..db9e40d2e60 100644
--- a/dlls/d3d11/Makefile.in
+++ b/dlls/d3d11/Makefile.in
@@ -1,7 +1,6 @@
 MODULE    = d3d11.dll
 IMPORTLIB = d3d11
 IMPORTS   = dxguid uuid dxgi wined3d
-EXTRADEFS = -DWINE_NO_NAMELESS_EXTENSION
 
 EXTRADLLFLAGS = -mno-cygwin
 
diff --git a/dlls/d3d11/device.c b/dlls/d3d11/device.c
index 4c8aa8c854c..f154bfdf480 100644
--- a/dlls/d3d11/device.c
+++ b/dlls/d3d11/device.c
@@ -18,6 +18,7 @@
  */
 
 #define NONAMELESSUNION
+#define WINE_NO_NAMELESS_EXTENSION
 #include "d3d11_private.h"
 
 WINE_DEFAULT_DEBUG_CHANNEL(d3d11);
diff --git a/dlls/d3d11/view.c b/dlls/d3d11/view.c
index 4393d6540e3..734c9619e5b 100644
--- a/dlls/d3d11/view.c
+++ b/dlls/d3d11/view.c
@@ -18,6 +18,7 @@
  */
 
 #define NONAMELESSUNION
+#define WINE_NO_NAMELESS_EXTENSION
 #include "d3d11_private.h"
 
 WINE_DEFAULT_DEBUG_CHANNEL(d3d11);