diff --git a/blktrace.spec b/blktrace.spec
index 0d0e7ec..7287556 100644
--- a/blktrace.spec
+++ b/blktrace.spec
@@ -1,12 +1,12 @@
 Name:    blktrace
 Version: 1.2.0
-Release: 17
+Release: 18
 Summary: Block IO tracer in the Linux kernel
 License: GPLv2+
 Source:  http://brick.kernel.dk/snaps/blktrace-%{version}.tar.bz2
 URL:     https://git.kernel.dk/cgit/blktrace 
 
-BuildRequires: gcc, git, xz, libaio-devel, python3, librsvg2-devel blktrace sysstat theora-tools gdb
+BuildRequires: gcc, git, xz, libaio-devel, python3, librsvg2-devel blktrace sysstat theora-tools
 Requires:      python3
 
 Patch1:  0001-jhash-fix-annoying-gcc-fall-through-warnings.patch
@@ -89,6 +89,9 @@ comparing the differences between different benchmark runs.
 %{_mandir}/man1/iowatcher.*
 
 %changelog
+* Fri Jul 23 2021 zhouwenpei <zhouwenpei1@huawei.com> - 1.2.0-18
+- remove useless buildrequires
+
 * Fri Jul 02 2021 linxiaoran <linxiaoran@huawei.com> - 1.2.0-17
 - Fix blktrace exit patch