Index: sys/netpfil/ipfw/dn_aqm_pie.c
===================================================================
--- sys/netpfil/ipfw/dn_aqm_pie.c
+++ sys/netpfil/ipfw/dn_aqm_pie.c
@@ -404,7 +404,6 @@
 aqm_pie_dequeue(struct dn_queue *q)
 {
 	struct mbuf *m;
-	struct dn_flow *ni;	/* stats for scheduler instance */	
 	struct dn_aqm_pie_parms *pprms;
 	struct pie_status *pst;
 	aqm_time_t now;
@@ -413,7 +412,6 @@
 
 	pst  = q->aqm_status;
 	pprms = pst->parms;
-	ni = &q->_si->ni;
 
 	/*we extarct packet ts only when Departure Rate Estimation dis not used*/
 	m = pie_extract_head(q, &pkt_ts, !(pprms->flags & PIE_DEPRATEEST_ENABLED));
Index: sys/netpfil/ipfw/dn_sched_fq_codel.h
===================================================================
--- sys/netpfil/ipfw/dn_sched_fq_codel.h
+++ sys/netpfil/ipfw/dn_sched_fq_codel.h
@@ -36,11 +36,8 @@
 #ifndef _IP_DN_SCHED_FQ_CODEL_H
 #define _IP_DN_SCHED_FQ_CODEL_H
 
-VNET_DECLARE(unsigned long, io_pkt_drop);
-#define V_io_pkt_drop VNET(io_pkt_drop)
-
 /* list of queues */
-STAILQ_HEAD(fq_codel_list, fq_codel_flow) ;
+STAILQ_HEAD(fq_codel_list, fq_codel_flow);
 
 /* fq_codel parameters including codel */
 struct dn_sch_fq_codel_parms {
Index: sys/netpfil/ipfw/dn_sched_fq_pie.c
===================================================================
--- sys/netpfil/ipfw/dn_sched_fq_pie.c
+++ sys/netpfil/ipfw/dn_sched_fq_pie.c
@@ -82,11 +82,8 @@
 
 #define DN_SCHED_FQ_PIE 7
 
-VNET_DECLARE(unsigned long, io_pkt_drop);
-#define V_io_pkt_drop VNET(io_pkt_drop)
-
 /* list of queues */
-STAILQ_HEAD(fq_pie_list, fq_pie_flow) ;
+STAILQ_HEAD(fq_pie_list, fq_pie_flow);
 
 /* FQ_PIE parameters including PIE */
 struct dn_sch_fq_pie_parms {
@@ -379,10 +376,8 @@
 	struct pie_status *pst = &q->pst;
 	struct dn_aqm_pie_parms *pprms; 
 	int64_t p, prob, oldprob;
-	aqm_time_t now;
 	int p_isneg;
 
-	now = AQM_UNOW;
 	pprms = pst->parms;
 	prob = pst->drop_prob;