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-rw-r--r--UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c
index 0bed857cae..46d8ff5d4e 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c
@@ -13,8 +13,6 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
#define PAGE_TABLE_PAGES 8
#define ACC_MAX_BIT BIT3
-extern UINTN mSmmShadowStackSize;
-
LIST_ENTRY mPagePool = INITIALIZE_LIST_HEAD_VARIABLE (mPagePool);
BOOLEAN m1GPageTableSupport = FALSE;
BOOLEAN mCpuSmmRestrictedMemoryAccess;