diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciBus.h b/MdeModulePkg/Bus/Pci/PciBusDxe/PciBus.h
index b66c5900ef..01bce28b1b 100644
--- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciBus.h
+++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciBus.h
@@ -50,7 +50,6 @@ typedef struct _PCI_BAR        PCI_BAR;
 
 #define     EFI_PCI_IOV_POLICY_ARI    0x0001
 #define     EFI_PCI_IOV_POLICY_SRIOV  0x0002
-#define     EFI_PCI_IOV_POLICY_MRIOV  0x0004
 
 typedef enum {
   PciBarTypeUnknown = 0,
@@ -268,7 +267,6 @@ struct _PCI_IO_DEVICE {
   UINT8                                        PciExpressCapabilityOffset;
   UINT32                                       AriCapabilityOffset;
   UINT32                                       SrIovCapabilityOffset;
-  UINT32                                       MrIovCapabilityOffset;
   PCI_BAR                                      VfPciBar[PCI_MAX_BAR];
   UINT32                                       SystemPageSize;
   UINT16                                       InitialVFs;
diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciBusDxe.inf b/MdeModulePkg/Bus/Pci/PciBusDxe/PciBusDxe.inf
index d99c236f26..d18f1f712e 100644
--- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciBusDxe.inf
+++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciBusDxe.inf
@@ -94,7 +94,6 @@
   gEfiMdeModulePkgTokenSpaceGuid.PcdSrIovSystemPageSize         ## SOMETIMES_CONSUMES
   gEfiMdeModulePkgTokenSpaceGuid.PcdSrIovSupport                ## CONSUMES
   gEfiMdeModulePkgTokenSpaceGuid.PcdAriSupport                  ## CONSUMES
-  gEfiMdeModulePkgTokenSpaceGuid.PcdMrIovSupport                ## CONSUMES
   gEfiMdeModulePkgTokenSpaceGuid.PcdPciDisableBusEnumeration    ## SOMETIMES_CONSUMES
   gEfiMdeModulePkgTokenSpaceGuid.PcdPcieResizableBarSupport     ## CONSUMES
   gEfiMdeModulePkgTokenSpaceGuid.PcdPcieResizableBarMaxSize     ## CONSUMES
diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciEnumeratorSupport.c b/MdeModulePkg/Bus/Pci/PciBusDxe/PciEnumeratorSupport.c
index 5c4b215f7a..278a0eb9c4 100644
--- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciEnumeratorSupport.c
+++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciEnumeratorSupport.c
@@ -2460,18 +2460,6 @@ CreatePciIoDevice (
     }
   }
 
-  if (PcdGetBool (PcdMrIovSupport)) {
-    Status = LocatePciExpressCapabilityRegBlock (
-               PciIoDevice,
-               EFI_PCIE_CAPABILITY_ID_MRIOV,
-               &PciIoDevice->MrIovCapabilityOffset,
-               NULL
-               );
-    if (!EFI_ERROR (Status)) {
-      DEBUG ((DEBUG_INFO, " MR-IOV: CapOffset = 0x%x\n", PciIoDevice->MrIovCapabilityOffset));
-    }
-  }
-
   PciIoDevice->ResizableBarOffset = 0;
   if (PcdGetBool (PcdPcieResizableBarSupport)) {
     Status = LocatePciExpressCapabilityRegBlock (
diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index f19704aaf8..5195ea4aae 100644
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -2059,8 +2059,7 @@
   gEfiMdeModulePkgTokenSpaceGuid.PcdAriSupport|TRUE|BOOLEAN|0x10000045
 
   ## Indicates if the Multi Root I/O virtualization is supported.<BR><BR>
-  #   TRUE  - Multi Root I/O virtualization is supported.<BR>
-  #   FALSE - Multi Root I/O virtualization is not supported.<BR>
+  #   NOTE: MR-IOV is deprecated in PCIe 6.0 specification and PcdMrIovSupport shall not be used.
   # @Prompt Enable MRIOV support.
   gEfiMdeModulePkgTokenSpaceGuid.PcdMrIovSupport|FALSE|BOOLEAN|0x10000046