diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index 9c079d6834..160e7308c5 100644
--- a/hw/acpi/piix4.c
+++ b/hw/acpi/piix4.c
@@ -92,8 +92,6 @@ typedef struct PIIX4PMState {
     MemHotplugState acpi_memory_hotplug;
 } PIIX4PMState;
 
-#define TYPE_PIIX4_PM "PIIX4_PM"
-
 #define PIIX4_PM(obj) \
     OBJECT_CHECK(PIIX4PMState, (obj), TYPE_PIIX4_PM)
 
diff --git a/include/hw/acpi/piix4.h b/include/hw/acpi/piix4.h
index 26c2370e30..57d7e1cda2 100644
--- a/include/hw/acpi/piix4.h
+++ b/include/hw/acpi/piix4.h
@@ -1,6 +1,8 @@
 #ifndef HW_ACPI_PIIX4_H
 #define HW_ACPI_PIIX4_H
 
+#define TYPE_PIIX4_PM "PIIX4_PM"
+
 Object *piix4_pm_find(void);
 
 #endif