diff --git a/tests/mutex6.c b/tests/mutex6.c
index 79bcd50..114ca52 100644
--- a/tests/mutex6.c
+++ b/tests/mutex6.c
@@ -27,14 +27,6 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef STAND_ALONE
-#include <stddef.h>
-#else
-#include <printk.h>
-#include <atom-types.h>
-#endif
-
-
 #include "atom.h"
 #include "atomtests.h"
 #include "atommutex.h"