--- kernel/nv-acpi.c	2014-01-08 21:49:24.000000000 -0500
+++ kernel/nv-acpi.c	2014-01-21 15:10:55.000000000 -0500
@@ -303,8 +303,9 @@
 
     if (pNvAcpiObject->notify_handler_installed)
     {
-        NV_ACPI_OS_WAIT_EVENTS_COMPLETE();
-
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)    
+    	NV_ACPI_OS_WAIT_EVENTS_COMPLETE();
+#endif
         // remove event notifier
         status = acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY, nv_acpi_event);
     }