diff --git a/sys/netpfil/ipfw/ip_dn_private.h b/sys/netpfil/ipfw/ip_dn_private.h
--- a/sys/netpfil/ipfw/ip_dn_private.h
+++ b/sys/netpfil/ipfw/ip_dn_private.h
@@ -77,15 +77,7 @@
 #define DN_BH_WUNLOCK()		mtx_unlock(&V_dn_cfg.uh_mtx)
 #define DN_BH_LOCK_ASSERT()	mtx_assert(&V_dn_cfg.uh_mtx, MA_OWNED)
 
-SLIST_HEAD(dn_schk_head, dn_schk);
-SLIST_HEAD(dn_sch_inst_head, dn_sch_inst);
 SLIST_HEAD(dn_fsk_head, dn_fsk);
-SLIST_HEAD(dn_queue_head, dn_queue);
-SLIST_HEAD(dn_alg_head, dn_alg);
-
-#ifdef NEW_AQM
-SLIST_HEAD(dn_aqm_head, dn_aqm); /* for new AQMs */
-#endif
 
 struct mq {	/* a basic queue of packets*/
         struct mbuf *head, *tail;