diff --git a/sys/cam/cam_sim.h b/sys/cam/cam_sim.h
--- a/sys/cam/cam_sim.h
+++ b/sys/cam/cam_sim.h
@@ -94,7 +94,6 @@
 	const char		*sim_name;
 	void			*softc;
 	struct mtx		*mtx;
-	TAILQ_HEAD(, ccb_hdr)	sim_doneq;
 	TAILQ_ENTRY(cam_sim)	links;
 	u_int32_t		path_id;/* The Boot device may set this to 0? */
 	u_int32_t		unit_number;