3 files changed, 0 insertions, 14 deletions
diff --git a/DuetPkg/FvbRuntimeService/DUETFwh.inf b/DuetPkg/FvbRuntimeService/DUETFwh.inf
index 9a73ae8110..b00ea7b5f1 100644
--- a/DuetPkg/FvbRuntimeService/DUETFwh.inf
+++ b/DuetPkg/FvbRuntimeService/DUETFwh.inf
@@ -51,7 +51,6 @@
 [Guids]
   gEfiFlashMapHobGuid
   gEfiHobListGuid
-  gEfiAlternateFvBlockGuid
 
 [Protocols]
   gEfiSimpleFileSystemProtocolGuid
diff --git a/DuetPkg/FvbRuntimeService/FWBlockService.c b/DuetPkg/FvbRuntimeService/FWBlockService.c
index f5260a5eaa..664a4cffc6 100644
--- a/DuetPkg/FvbRuntimeService/FWBlockService.c
+++ b/DuetPkg/FvbRuntimeService/FWBlockService.c
@@ -1632,17 +1632,6 @@ Returns:
       //
       ASSERT (FALSE);
     }
-    //
-    // Install FVB Extension Protocol on the same handle
-    //
-    Status = gBS->InstallMultipleProtocolInterfaces (
-                    &FwbHandle,
-                    &gEfiAlternateFvBlockGuid,
-                    NULL,
-                    NULL
-                    );
-
-    ASSERT_EFI_ERROR (Status);
 
     FwhInstance = (EFI_FW_VOL_INSTANCE *)
       (
diff --git a/DuetPkg/FvbRuntimeService/FwBlockService.h b/DuetPkg/FvbRuntimeService/FwBlockService.h
index eddde81b4a..bec2572a3c 100644
--- a/DuetPkg/FvbRuntimeService/FwBlockService.h
+++ b/DuetPkg/FvbRuntimeService/FwBlockService.h
@@ -31,7 +31,6 @@ Abstract:
 #include <Guid/EventGroup.h>
 #include <Guid/FirmwareFileSystem2.h>
 #include <Protocol/FirmwareVolumeBlock.h>
-#include <Guid/AlternateFvBlock.h>
 #include <Protocol/DevicePath.h>
 #include <Protocol/SimpleFileSystem.h>
 #include <Protocol/BlockIo.h>
@@ -39,7 +38,6 @@ Abstract:
 #include <Guid/SystemNvDataGuid.h>
 #include <Guid/FlashMapHob.h>
 #include <Guid/HobList.h>
-#include <Guid/AlternateFvBlock.h>
 
 //
 // The Library classes this module consumes