diff --git a/sys/dev/iicbus/iicbus.c b/sys/dev/iicbus/iicbus.c
--- a/sys/dev/iicbus/iicbus.c
+++ b/sys/dev/iicbus/iicbus.c
@@ -248,6 +248,18 @@
 	    dev, order, name, unit, sizeof(struct iicbus_ivar)));
 }
 
+static void
+iicbus_child_deleted(device_t dev, device_t child)
+{
+	struct iicbus_ivar *devi;
+
+	devi = device_get_ivars(child);
+	if (devi == NULL)
+		return;
+	resource_list_free(&devi->rl);
+	free(devi, M_DEVBUF);
+}
+
 static void
 iicbus_hinted_child(device_t bus, const char *dname, int dunit)
 {
@@ -360,6 +372,7 @@
 	DEVMETHOD(bus_set_resource,	bus_generic_rl_set_resource),
 	DEVMETHOD(bus_get_resource_list, iicbus_get_resource_list),
 	DEVMETHOD(bus_add_child,	iicbus_add_child),
+	DEVMETHOD(bus_child_deleted,	iicbus_child_deleted),
 	DEVMETHOD(bus_print_child,	iicbus_print_child),
 	DEVMETHOD(bus_probe_nomatch,	iicbus_probe_nomatch),
 	DEVMETHOD(bus_read_ivar,	iicbus_read_ivar),