diff --git a/ninja-build.spec b/ninja-build.spec
index ec6b00b..c98faf0 100644
--- a/ninja-build.spec
+++ b/ninja-build.spec
@@ -1,13 +1,13 @@
 Name:           ninja-build
 Version:        1.8.2
-Release:        6
+Release:        7
 Summary:        A small build system with a focus on speed
 License:        ASL 2.0
 URL:            https://ninja-build.org/
 Source0:        https://github.com/ninja-build/ninja/archive/ninja-%{version}.tar.gz
 Source1:        ninja.vim
 Source2:        macros.ninja
-BuildRequires:  gcc-c++ python3-devel asciidoc gtest-devel re2c >= 0.11.3
+BuildRequires:  gcc-c++ python2-devel python3-devel asciidoc gtest-devel
 Requires:       emacs-filesystem vim-filesystem
 
 %description
@@ -53,5 +53,8 @@ ln -sf ninja %{buildroot}%{_bindir}/ninja-build
 %{rpmmacrodir}/macros.ninja
 
 %changelog
+* Sun Jan 12 2020 chengquan <chengquan3@huawei.com> - 1.8.2-7
+- remove useless buildrequires of software
+
 * Mon Nov 04 2019 huzhiyu <huzhiyu1@huawei.com> - 1.8.2-6
 - Package init