diff --git a/hw/net/dp8393x.c b/hw/net/dp8393x.c
index 789d385743..7eab7ad0cc 100644
--- a/hw/net/dp8393x.c
+++ b/hw/net/dp8393x.c
@@ -863,9 +863,6 @@ static void nic_cleanup(NetClientState *nc)
 {
     dp8393xState *s = qemu_get_nic_opaque(nc);
 
-    memory_region_del_subregion(s->address_space, &s->mmio);
-    memory_region_destroy(&s->mmio);
-
     timer_del(s->watchdog);
     timer_free(s->watchdog);
 
diff --git a/hw/net/mcf_fec.c b/hw/net/mcf_fec.c
index 4bff3de34f..22cd7cf870 100644
--- a/hw/net/mcf_fec.c
+++ b/hw/net/mcf_fec.c
@@ -443,9 +443,6 @@ static void mcf_fec_cleanup(NetClientState *nc)
 {
     mcf_fec_state *s = qemu_get_nic_opaque(nc);
 
-    memory_region_del_subregion(s->sysmem, &s->iomem);
-    memory_region_destroy(&s->iomem);
-
     g_free(s);
 }