diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 583c47ab09..29f2b90fcc 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1939,6 +1939,8 @@ static void pc_machine_class_init(ObjectClass *oc, void *data)
     mc->get_hotplug_handler = pc_get_hotpug_handler;
     mc->cpu_index_to_socket_id = pc_cpu_index_to_socket_id;
     mc->default_boot_order = "cad";
+    mc->hot_add_cpu = pc_hot_add_cpu;
+    mc->max_cpus = 255;
     hc->plug = pc_machine_device_plug_cb;
     hc->unplug_request = pc_machine_device_unplug_request_cb;
     hc->unplug = pc_machine_device_unplug_cb;
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index d722518668..48d56c0602 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -449,7 +449,6 @@ static void pc_xen_hvm_init(MachineState *machine)
 
 static void pc_i440fx_machine_options(MachineClass *m)
 {
-    pc_default_machine_options(m);
     m->family = "pc_piix";
     m->desc = "Standard PC (i440FX + PIIX, 1996)";
     m->hot_add_cpu = pc_hot_add_cpu;
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index d0e43507f1..0706934cb9 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -363,7 +363,6 @@ static void pc_compat_1_4(MachineState *machine)
 
 static void pc_q35_machine_options(MachineClass *m)
 {
-    pc_default_machine_options(m);
     m->family = "pc_q35";
     m->desc = "Standard PC (Q35 + ICH9, 2009)";
     m->hot_add_cpu = pc_hot_add_cpu;
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 1d21ab2c63..0273becc95 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -699,12 +699,6 @@ bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
             .value = "off",\
         },
 
-static inline void pc_default_machine_options(MachineClass *m)
-{
-    m->hot_add_cpu = pc_hot_add_cpu;
-    m->max_cpus = 255;
-}
-
 #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \
     static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \
     { \