diff --git a/sys/powerpc/aim/nexus.c b/sys/powerpc/aim/nexus.c
index 53a9dd168bd..b3350a1799c 100644
--- a/sys/powerpc/aim/nexus.c
+++ b/sys/powerpc/aim/nexus.c
@@ -54,7 +54,6 @@
  *
  * $FreeBSD$
  */
-#include "opt_psim.h"
 
 #include <sys/param.h>
 #include <sys/systm.h>