diff --git a/dbxtool.spec b/dbxtool.spec
index 5c2eaf97314fdd4753a54031ee9115aa4c1710de..d526e8fa0530cc9abd6ddc7564c26707afdf5613 100644
--- a/dbxtool.spec
+++ b/dbxtool.spec
@@ -2,12 +2,14 @@
 
 Name: dbxtool
 Version: 8
-Release: 11
+Release: 12
 Summary: Tool for managing dbx updates installed on a machine.
 License: GPLv2
 URL: https://github.com/vathpela/dbxtool-devel
 Source0: https://github.com/vathpela/%{name}-devel/archive/%{git_commit_hash}/%{name}-devel-889594f.tar.gz
 
+Patch9000:	remove-duplicate-efi-defines.patch
+
 BuildRequires: gcc popt-devel efivar-devel >= 35-1 systemd
 Requires: efivar systemd
 
@@ -50,6 +52,9 @@ Tool for managing dbx updates installed on a machine.
 %doc %{_mandir}/man1/*
 
 %changelog
+* Mon Nov 14 2022 zhoupengcheng <zhoupengcheng11@huawei.com> - 8-12
+- fix build failure
+
 * Tue Oct 25 2022 yanglongkang <yanglongkang@h-partners.com> - 8-11
 - rebuild for next release
 
diff --git a/remove-duplicate-efi-defines.patch b/remove-duplicate-efi-defines.patch
new file mode 100644
index 0000000000000000000000000000000000000000..d36ce91ee0ade6f466dbec5bca0a14672ec7742b
--- /dev/null
+++ b/remove-duplicate-efi-defines.patch
@@ -0,0 +1,32 @@
+From 809f580026d29d42306482b3ad7f15f015916dad Mon Sep 17 00:00:00 2001
+From: ZhouPengcheng <zhoupengcheng11@huawei.com>
+Date: Mon, 14 Nov 2022 19:40:37 +0800
+Subject: [PATCH] dbxtool: fix build failure
+
+The dbxtool installation depends on the efivar,After the efivar upgrade,
+three macrows are added to the efivar,which are the same as the macro
+variables of the dbxtool.As a result, the dbxtool build failure.
+Therefore,redundant macro definitions are deleted from the dbxtool to
+fix the build failure.
+---
+ src/esl.h | 4 ----
+ 1 file changed, 4 deletions(-)
+
+diff --git a/src/esl.h b/src/esl.h
+index 456f748..3b9b788 100644
+--- a/src/esl.h
++++ b/src/esl.h
+@@ -47,10 +47,6 @@ typedef struct {
+ 	uint8_t		pad2;
+ } __attribute__((aligned (1))) EFI_TIME;
+ 
+-#define EFI_TIME_ADJUST_DAYLIGHT	0x01
+-#define EFI_TIME_IN_DAYLIGHT		0x02
+-
+-#define EFI_UNSPECIFIED_TIMEZONE	0x07ff
+ 
+ typedef struct _EFI_CERT_BLOCK_RSA_2048_SHA256 {
+ 	efi_guid_t	HashType;
+-- 
+2.27.0
+