diff --git a/headers/os/drivers/ACPI.h b/headers/os/drivers/ACPI.h
index eb4edbe76f..1455e46261 100644
--- a/headers/os/drivers/ACPI.h
+++ b/headers/os/drivers/ACPI.h
@@ -24,6 +24,15 @@ typedef void *				acpi_handle;
 
 #ifndef __ACTYPES_H__
 
+/* Notify types */
+
+#define ACPI_SYSTEM_NOTIFY				0x1
+#define ACPI_DEVICE_NOTIFY				0x2
+#define ACPI_ALL_NOTIFY					(ACPI_SYSTEM_NOTIFY | ACPI_DEVICE_NOTIFY)
+#define ACPI_MAX_NOTIFY_HANDLER_TYPE	0x3
+
+#define ACPI_MAX_SYS_NOTIFY				0x7f
+    
 /* Address Space (Operation Region) Types */
 
 enum {
diff --git a/src/add-ons/kernel/drivers/power/acpi_battery/acpi_battery.h b/src/add-ons/kernel/drivers/power/acpi_battery/acpi_battery.h
index 9df46ad40e..d712a4fa7b 100644
--- a/src/add-ons/kernel/drivers/power/acpi_battery/acpi_battery.h
+++ b/src/add-ons/kernel/drivers/power/acpi_battery/acpi_battery.h
@@ -37,14 +37,6 @@ struct battery_device_cookie {
 };
 
 
-/* Notify types */
-
-#define ACPI_SYSTEM_NOTIFY              0x1
-#define ACPI_DEVICE_NOTIFY              0x2
-#define ACPI_ALL_NOTIFY                 (ACPI_SYSTEM_NOTIFY | ACPI_DEVICE_NOTIFY)
-#define ACPI_MAX_NOTIFY_HANDLER_TYPE    0x3
-#define ACPI_MAX_SYS_NOTIFY             0x7f
-
 void battery_notify_handler(acpi_handle device, uint32 value, void *context);
 
 #endif