diff --git a/dlls/d3dxof/Makefile.in b/dlls/d3dxof/Makefile.in
index 93032adbb3f..b7a97be8a6e 100644
--- a/dlls/d3dxof/Makefile.in
+++ b/dlls/d3dxof/Makefile.in
@@ -2,6 +2,8 @@ MODULE    = d3dxof.dll
 IMPORTLIB = d3dxof
 IMPORTS   = dxguid uuid ole32 advapi32
 
+EXTRADLLFLAGS = -mno-cygwin
+
 C_SRCS = \
 	d3dxof.c \
 	main.c \
diff --git a/dlls/d3dxof/d3dxof.c b/dlls/d3dxof/d3dxof.c
index 90c9192782a..e16b0d802f3 100644
--- a/dlls/d3dxof/d3dxof.c
+++ b/dlls/d3dxof/d3dxof.c
@@ -18,7 +18,6 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
-#include "config.h"
 #include "wine/debug.h"
 
 #define COBJMACROS
diff --git a/dlls/d3dxof/parsing.c b/dlls/d3dxof/parsing.c
index f1e0982cab9..7d31627b9c1 100644
--- a/dlls/d3dxof/parsing.c
+++ b/dlls/d3dxof/parsing.c
@@ -18,8 +18,6 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
-#include "config.h"
-#include "wine/port.h"
 #include "wine/debug.h"
 
 #define COBJMACROS