diff --git a/hw/riscv/sifive_e.c b/hw/riscv/sifive_e.c
index 8a8dbe1c00..4577d72037 100644
--- a/hw/riscv/sifive_e.c
+++ b/hw/riscv/sifive_e.c
@@ -105,9 +105,9 @@ static void riscv_sifive_e_init(MachineState *machine)
     int i;
 
     /* Initialize SoC */
-    object_initialize(&s->soc, sizeof(s->soc), TYPE_RISCV_E_SOC);
-    object_property_add_child(OBJECT(machine), "soc", OBJECT(&s->soc),
-                              &error_abort);
+    object_initialize_child(OBJECT(machine), "soc", &s->soc,
+                            sizeof(s->soc), TYPE_RISCV_E_SOC,
+                            &error_abort, NULL);
     object_property_set_bool(OBJECT(&s->soc), true, "realized",
                             &error_abort);
 
@@ -139,9 +139,9 @@ static void riscv_sifive_e_soc_init(Object *obj)
 {
     SiFiveESoCState *s = RISCV_E_SOC(obj);
 
-    object_initialize(&s->cpus, sizeof(s->cpus), TYPE_RISCV_HART_ARRAY);
-    object_property_add_child(obj, "cpus", OBJECT(&s->cpus),
-                              &error_abort);
+    object_initialize_child(obj, "cpus", &s->cpus,
+                            sizeof(s->cpus), TYPE_RISCV_HART_ARRAY,
+                            &error_abort, NULL);
     object_property_set_str(OBJECT(&s->cpus), SIFIVE_E_CPU, "cpu-type",
                             &error_abort);
     object_property_set_int(OBJECT(&s->cpus), smp_cpus, "num-harts",