diff --git a/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FwBlockService.c b/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FwBlockService.c
index c542482c3a..3e7fe68081 100644
--- a/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FwBlockService.c
+++ b/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FwBlockService.c
@@ -1119,7 +1119,6 @@ FvbInitialize (
   CopyMem ((UINTN *) &(FwhInstance->VolumeHeader), (UINTN *) FwVolHeader,
     FwVolHeader->HeaderLength);
   FwVolHeader = &(FwhInstance->VolumeHeader);
-  EfiInitializeLock (&(FwhInstance->FvbDevLock), TPL_HIGH_LEVEL);
 
   NumOfBlocks = 0;
 
diff --git a/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FwBlockService.h b/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FwBlockService.h
index 6fa7c7eca0..67140d0a76 100644
--- a/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FwBlockService.h
+++ b/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FwBlockService.h
@@ -30,7 +30,6 @@
 #define FVB_VIRTUAL   1
 
 typedef struct {
-  EFI_LOCK                    FvbDevLock;
   UINTN                       FvBase[2];
   UINTN                       NumOfBlocks;
   EFI_FIRMWARE_VOLUME_HEADER  VolumeHeader;