diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index c548231965ef26b9feac80549b7164e6bd8fb233..b7308efce4588f6270a178bedee430f2e8ece4ba 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -397,22 +397,10 @@ static int acpi_device_remove(struct device * dev)
 	return 0;
 }
 
-static void acpi_device_shutdown(struct device *dev)
-{
-	struct acpi_device *acpi_dev = to_acpi_device(dev);
-	struct acpi_driver *acpi_drv = acpi_dev->driver;
-
-	if (acpi_drv && acpi_drv->ops.shutdown)
-		acpi_drv->ops.shutdown(acpi_dev);
-
-	return ;
-}
-
 struct bus_type acpi_bus_type = {
 	.name		= "acpi",
 	.suspend	= acpi_device_suspend,
 	.resume		= acpi_device_resume,
-	.shutdown	= acpi_device_shutdown,
 	.match		= acpi_bus_match,
 	.probe		= acpi_device_probe,
 	.remove		= acpi_device_remove,
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index e9f6574930efb62ba8a636617befaf71a6b0ff45..08ec60c8366a3082d3b2186f35586090f1414442 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -88,44 +88,28 @@ struct acpi_device;
 
 typedef int (*acpi_op_add) (struct acpi_device * device);
 typedef int (*acpi_op_remove) (struct acpi_device * device, int type);
-typedef int (*acpi_op_lock) (struct acpi_device * device, int type);
 typedef int (*acpi_op_start) (struct acpi_device * device);
 typedef int (*acpi_op_stop) (struct acpi_device * device, int type);
 typedef int (*acpi_op_suspend) (struct acpi_device * device,
 				pm_message_t state);
 typedef int (*acpi_op_resume) (struct acpi_device * device);
-typedef int (*acpi_op_scan) (struct acpi_device * device);
 typedef int (*acpi_op_bind) (struct acpi_device * device);
 typedef int (*acpi_op_unbind) (struct acpi_device * device);
-typedef int (*acpi_op_shutdown) (struct acpi_device * device);
 
 struct acpi_bus_ops {
 	u32 acpi_op_add:1;
-	u32 acpi_op_remove:1;
-	u32 acpi_op_lock:1;
 	u32 acpi_op_start:1;
-	u32 acpi_op_stop:1;
-	u32 acpi_op_suspend:1;
-	u32 acpi_op_resume:1;
-	u32 acpi_op_scan:1;
-	u32 acpi_op_bind:1;
-	u32 acpi_op_unbind:1;
-	u32 acpi_op_shutdown:1;
-	u32 reserved:21;
 };
 
 struct acpi_device_ops {
 	acpi_op_add add;
 	acpi_op_remove remove;
-	acpi_op_lock lock;
 	acpi_op_start start;
 	acpi_op_stop stop;
 	acpi_op_suspend suspend;
 	acpi_op_resume resume;
-	acpi_op_scan scan;
 	acpi_op_bind bind;
 	acpi_op_unbind unbind;
-	acpi_op_shutdown shutdown;
 };
 
 struct acpi_driver {