diff --git a/MdePkg/Include/Protocol/FirmwareVolume2.h b/MdePkg/Include/Protocol/FirmwareVolume2.h
index 474e0cfab6..42ad7e65fc 100644
--- a/MdePkg/Include/Protocol/FirmwareVolume2.h
+++ b/MdePkg/Include/Protocol/FirmwareVolume2.h
@@ -418,8 +418,8 @@ EFI_STATUS
 (EFIAPI * EFI_FV_READ_SECTION) (
   IN CONST  EFI_FIRMWARE_VOLUME2_PROTOCOL *This,
   IN CONST  EFI_GUID                      *NameGuid,
-  IN CONST  EFI_SECTION_TYPE              SectionType,
-  IN CONST  UINTN                         SectionInstance,
+  IN        EFI_SECTION_TYPE              SectionType,
+  IN        UINTN                         SectionInstance,
   IN OUT    VOID                          **Buffer,
   IN OUT    UINTN                         *BufferSize,
   OUT       UINT32                        *AuthenticationStatus
diff --git a/MdePkg/Include/Protocol/FirmwareVolumeBlock.h b/MdePkg/Include/Protocol/FirmwareVolumeBlock.h
index b059edf4b3..4c844bf679 100644
--- a/MdePkg/Include/Protocol/FirmwareVolumeBlock.h
+++ b/MdePkg/Include/Protocol/FirmwareVolumeBlock.h
@@ -147,7 +147,7 @@ typedef
 EFI_STATUS
 (EFIAPI * EFI_FVB_GET_BLOCK_SIZE) (
   IN CONST  EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL  *This,
-  IN CONST  EFI_LBA                             Lba,
+  IN        EFI_LBA                             Lba,
   OUT       UINTN                               *BlockSize,
   OUT       UINTN                               *NumberOfBlocks
 );
@@ -203,8 +203,8 @@ typedef
 EFI_STATUS
 (EFIAPI *EFI_FVB_READ) (
   IN CONST  EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL  *This,
-  IN CONST  EFI_LBA                             Lba,
-  IN CONST  UINTN                               Offset,
+  IN        EFI_LBA                             Lba,
+  IN        UINTN                               Offset,
   IN OUT    UINTN                               *NumBytes,
   IN OUT    UINT8                               *Buffer
 );
@@ -276,8 +276,8 @@ typedef
 EFI_STATUS
 (EFIAPI * EFI_FVB_WRITE) (
   IN CONST  EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL  *This,
-  IN CONST  EFI_LBA                             Lba,
-  IN CONST  UINTN                               Offset,
+  IN        EFI_LBA                             Lba,
+  IN        UINTN                               Offset,
   IN OUT    UINTN                               *NumBytes,
   IN CONST  UINT8                               *Buffer
 );