diff --git a/include/acpi/pdc_intel.h b/include/acpi/pdc_intel.h
index 91f4a12..3fa81d5 100644
--- a/include/acpi/pdc_intel.h
+++ b/include/acpi/pdc_intel.h
@@ -15,9 +15,7 @@
 #define ACPI_PDC_C_C1_FFH		(0x0100)
 
 #define ACPI_PDC_EST_CAPABILITY_SMP	(ACPI_PDC_SMP_C1PT | \
-					 ACPI_PDC_C_C1_HALT)
-
-#define ACPI_PDC_EST_CAPABILITY_SMP_MSR	(ACPI_PDC_EST_CAPABILITY_SMP | \
+					 ACPI_PDC_C_C1_HALT | \
 					 ACPI_PDC_P_FFH)
 
 #define ACPI_PDC_C_CAPABILITY_SMP	(ACPI_PDC_SMP_C2C3 | \