diff --git a/hw/isa/vt82c686.c b/hw/isa/vt82c686.c
index 2912c253dc..cd87ec0103 100644
--- a/hw/isa/vt82c686.c
+++ b/hw/isa/vt82c686.c
@@ -12,7 +12,6 @@
 
 #include "qemu/osdep.h"
 #include "hw/isa/vt82c686.h"
-#include "hw/i2c/i2c.h"
 #include "hw/pci/pci.h"
 #include "hw/qdev-properties.h"
 #include "hw/isa/isa.h"
@@ -167,7 +166,6 @@ struct VT686PMState {
     uint32_t smb_io_base;
 };
 
-#define TYPE_VT82C686B_PM "VT82C686B_PM"
 OBJECT_DECLARE_SIMPLE_TYPE(VT686PMState, VT82C686B_PM)
 
 static void pm_update_sci(VT686PMState *s)
@@ -271,22 +269,6 @@ static void vt82c686b_pm_realize(PCIDevice *dev, Error **errp)
     acpi_pm1_cnt_init(&s->ar, &s->io, false, false, 2);
 }
 
-I2CBus *vt82c686b_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
-                          qemu_irq sci_irq)
-{
-    PCIDevice *dev;
-    VT686PMState *s;
-
-    dev = pci_new(devfn, TYPE_VT82C686B_PM);
-    qdev_prop_set_uint32(&dev->qdev, "smb_io_base", smb_io_base);
-
-    s = VT82C686B_PM(dev);
-
-    pci_realize_and_unref(dev, bus, &error_fatal);
-
-    return s->smb.smbus;
-}
-
 static Property via_pm_properties[] = {
     DEFINE_PROP_UINT32("smb_io_base", VT686PMState, smb_io_base, 0),
     DEFINE_PROP_END_OF_LIST(),
diff --git a/hw/mips/fuloong2e.c b/hw/mips/fuloong2e.c
index 435f0e5be5..e5d0866906 100644
--- a/hw/mips/fuloong2e.c
+++ b/hw/mips/fuloong2e.c
@@ -261,7 +261,10 @@ static void vt82c686b_southbridge_init(PCIBus *pci_bus, int slot, qemu_irq intc,
     pci_create_simple(pci_bus, PCI_DEVFN(slot, 2), "vt82c686b-usb-uhci");
     pci_create_simple(pci_bus, PCI_DEVFN(slot, 3), "vt82c686b-usb-uhci");
 
-    *i2c_bus = vt82c686b_pm_init(pci_bus, PCI_DEVFN(slot, 4), 0xeee1, NULL);
+    dev = pci_new(PCI_DEVFN(slot, 4), TYPE_VT82C686B_PM);
+    qdev_prop_set_uint32(DEVICE(dev), "smb_io_base", 0xeee1);
+    pci_realize_and_unref(dev, pci_bus, &error_fatal);
+    *i2c_bus = I2C_BUS(qdev_get_child_bus(DEVICE(dev), "i2c"));
 
     /* Audio support */
     pci_create_simple(pci_bus, PCI_DEVFN(slot, 5), TYPE_VIA_AC97);
diff --git a/include/hw/isa/vt82c686.h b/include/hw/isa/vt82c686.h
index 8d2d276fe1..5b0a1ffe72 100644
--- a/include/hw/isa/vt82c686.h
+++ b/include/hw/isa/vt82c686.h
@@ -3,11 +3,8 @@
 
 #define TYPE_VT82C686B_ISA "vt82c686b-isa"
 #define TYPE_VT82C686B_SUPERIO "vt82c686b-superio"
+#define TYPE_VT82C686B_PM "vt82c686b-pm"
 #define TYPE_VIA_AC97 "via-ac97"
 #define TYPE_VIA_MC97 "via-mc97"
 
-/* vt82c686.c */
-I2CBus *vt82c686b_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
-                          qemu_irq sci_irq);
-
 #endif