Index: sys/netpfil/ipfw/dn_aqm_pie.c
===================================================================
--- sys/netpfil/ipfw/dn_aqm_pie.c
+++ sys/netpfil/ipfw/dn_aqm_pie.c
@@ -628,9 +628,8 @@
 	mtx_unlock(&pst->lock_mtx);
 	mtx_destroy(&pst->lock_mtx);
 	free(x, M_DUMMYNET);
-	DN_BH_WLOCK();
+
 	pie_desc.ref_count--;
-	DN_BH_WUNLOCK();
 }
 
 /* 
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
@@ -580,7 +580,6 @@
 	mtx_destroy(&pst->lock_mtx);
 	psi_extra = q->psi_extra;
 
-	DN_BH_WLOCK();
 	psi_extra->nr_active_q--;
 
 	/* when all sub-queues are destroyed, free flows fq_pie extra vars memory */
@@ -589,7 +588,6 @@
 		free(psi_extra, M_DUMMYNET);
 		fq_pie_desc.ref_count--;
 	}
-	DN_BH_WUNLOCK();
 }
 
 /*