diff --git a/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/IdeBus.h b/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/IdeBus.h
index a9a084bc94..612bd8767c 100644
--- a/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/IdeBus.h
+++ b/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/IdeBus.h
@@ -60,11 +60,6 @@ extern EFI_DRIVER_DIAGNOSTICS2_PROTOCOL gIDEBusDriverDiagnostics2;
 #define ATA_DEVICE_TYPE     0x00
 #define ATAPI_DEVICE_TYPE   0x01
 
-#define EFI_IOB_ATA_BUS_SMART_ENABLE          (EFI_SUBCLASS_SPECIFIC | 0x00000000)
-#define EFI_IOB_ATA_BUS_SMART_DISABLE         (EFI_SUBCLASS_SPECIFIC | 0x00000001)
-#define EFI_IOB_ATA_BUS_SMART_OVERTHRESHOLD   (EFI_SUBCLASS_SPECIFIC | 0x00000002)
-#define EFI_IOB_ATA_BUS_SMART_UNDERTHRESHOLD  (EFI_SUBCLASS_SPECIFIC | 0x00000003)
-
 typedef struct {
   BOOLEAN HaveScannedDevice[MAX_IDE_DEVICE];
   BOOLEAN DeviceFound[MAX_IDE_DEVICE];