diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h
index b420939f5eb5..0cf85786ed21 100644
--- a/include/acpi/acpi_drivers.h
+++ b/include/acpi/acpi_drivers.h
@@ -117,7 +117,7 @@ struct acpi_dock_ops {
 	acpi_notify_handler uevent;
 };
 
-#if defined(CONFIG_ACPI_DOCK) || defined(CONFIG_ACPI_DOCK_MODULE)
+#ifdef CONFIG_ACPI_DOCK
 extern int is_dock_device(acpi_handle handle);
 extern int register_dock_notifier(struct notifier_block *nb);
 extern void unregister_dock_notifier(struct notifier_block *nb);
@@ -150,6 +150,6 @@ static inline int register_hotplug_dock_device(acpi_handle handle,
 static inline void unregister_hotplug_dock_device(acpi_handle handle)
 {
 }
-#endif
+#endif /* CONFIG_ACPI_DOCK */
 
 #endif /*__ACPI_DRIVERS_H__*/