diff --git a/sys/dev/twa/tw_osl_cam.c b/sys/dev/twa/tw_osl_cam.c
index 7bc73ef73a3..457b539114e 100644
--- a/sys/dev/twa/tw_osl_cam.c
+++ b/sys/dev/twa/tw_osl_cam.c
@@ -45,7 +45,6 @@
 #include <cam/cam_ccb.h>
 #include <cam/cam_sim.h>
 #include <cam/cam_xpt_sim.h>
-#include <cam/cam_xpt_periph.h>
 #include <cam/cam_debug.h>
 #include <cam/cam_periph.h>