diff --git a/dlls/d3dx8/math.c b/dlls/d3dx8/math.c
index b355c9cc309..4c0bdc741c0 100644
--- a/dlls/d3dx8/math.c
+++ b/dlls/d3dx8/math.c
@@ -17,10 +17,7 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
-#include <stdio.h>
-#include <stdlib.h>
 #include <stdarg.h>
-#include <assert.h>
 
 #define NONAMELESSUNION