diff --git a/CMakeLists.txt b/CMakeLists.txt
deleted file mode 100644
index 4cf4ac1e93bd51711e6de8ae9cecf40113134a3c..0000000000000000000000000000000000000000
--- a/CMakeLists.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-cmake_minimum_required(VERSION 3.13.4)
-project(Runtimes C CXX ASM)
-add_subdirectory(libcxxabi)
-add_subdirectory(libcxx)
-
diff --git a/libcxx-15.0.7.src.tar.xz b/libcxx-15.0.7.src.tar.xz
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diff --git a/libcxx-15.0.7.src.tar.xz.sig b/libcxx-15.0.7.src.tar.xz.sig
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index 86fec9486136fd1be0867120763df8f3fa77fa6a..0000000000000000000000000000000000000000
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diff --git a/libcxx.spec b/libcxx.spec
deleted file mode 100644
index 1a9ff97e441795d944007357b14155f5a2b388bc..0000000000000000000000000000000000000000
--- a/libcxx.spec
+++ /dev/null
@@ -1,143 +0,0 @@
-%bcond_without sys_llvm
-%bcond_without check
-
-%global debug_package %{nil}
-
-%global maj_ver 15
-%global min_ver 0
-%global patch_ver 7
-%global libcxx_version %{maj_ver}.%{min_ver}.%{patch_ver}
-%global libcxx_srcdir libcxx-%{libcxx_version}.src
-%global libcxxabi_srcdir libcxxabi-%{libcxx_version}.src
-
-%if %{with sys_llvm}
-%global pkg_name libcxx
-%global install_prefix %{_prefix}
-%else
-%global pkg_name libcxx%{maj_ver}
-%global bin_suffix -%{maj_ver}
-%global install_prefix %{_libdir}/%{name}
-%endif
-
-%if 0%{?__isa_bits} == 64
-%global install_libdir %{install_prefix}/lib64
-%else
-%global install_libdir %{install_prefix}/lib
-%endif
-%global install_includedir %{install_prefix}/include
-
-Name:		%{pkg_name}
-Version:	%{libcxx_version}
-Release:	1
-Summary:	llvm C++ standard library
-
-License:    Apache License 2.0
-URL:        http://llvm.org
-Source0:    https://github.com/llvm/llvm-project/releases/download/llvmorg-%{libcxx_version}/%{libcxx_srcdir}.tar.xz
-Source1:    https://github.com/llvm/llvm-project/releases/download/llvmorg-%{libcxx_version}/%{libcxx_srcdir}.tar.xz.sig
-Source2:    https://github.com/llvm/llvm-project/releases/download/llvmorg-%{libcxx_version}/%{libcxxabi_srcdir}.tar.xz
-Source3:    https://github.com/llvm/llvm-project/releases/download/llvmorg-%{libcxx_version}/%{libcxxabi_srcdir}.tar.xz.sig
-Source4:	CMakeLists.txt
-
-BuildRequires:  clang
-BuildRequires:  cmake
-BuildRequires:  ninja-build
-BuildRequires:  llvm-devel llvm-static
-BuildRequires:	python3
-
-Requires: libcxxabi = %{version}-%{release}
-	
-%description
-libc++ is a new implementation of the C++ standard library, targeting C++11.
-
-%package devel
-Summary:	Headers and libraries for libcxx devel
-Requires:	%{name} = %{version}-%{release}
-Requires:	libcxxabi-devel = %{version}
-
-%description devel
-%{summary}.
-
-%package static
-Summary:	Static libraries for libcxx
-
-%description static
-%{summary}.
-
-%package -n libcxxabi
-Summary:	Low level support for a standard C++ library
-
-%description -n libcxxabi
-libcxxabi provides low level support for a standard C++ library.
-
-%package -n libcxxabi-devel
-Summary:	Headers and libraries for libcxxabi devel
-Requires:	libcxxabi = %{version}-%{release}
-
-%description -n libcxxabi-devel
-%{summary}.
-
-%package -n libcxxabi-static
-Summary:	Static libraries for libcxxabi
-
-%description -n libcxxabi-static
-%{summary}.
-
-%prep
-%setup -T -q -b 0 -n %{libcxx_srcdir}
-%setup -T -q -b 2 -n %{libcxxabi_srcdir}
-%setup -T -c -n build
-
-cp %{SOURCE4} ..
-mv ../%{libcxx_srcdir} ../libcxx
-mv ../%{libcxxabi_srcdir} ../libcxxabi
-%autopatch -p1
- 
-%build
-
-%cmake -GNinja .. \
-	-DCMAKE_BUILD_TYPE=RelWithDebInfo \
-	-DCMAKE_C_COMPILER=clang \
-	-DCMAKE_CXX_COMPILER=clang++ \
-	-DCMAKE_MODULE_PATH=%{install_libdir}/cmake/llvm \
-	-DLIBCXX_LIBDIR_SUFFIX:STRING=64 \
-	-DLIBCXXABI_LIBDIR_SUFFIX:STRING=64 \
-	-DLIBCXX_INCLUDE_BENCHMARKS=OFF \
-	-DLIBCXX_STATICALLY_LINK_ABI_IN_STATIC_LIBRARY=ON \
-	-DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=ON
-
-%ninja_build
-
-%install
-
-%ninja_install
-
-%files
-%license ../libcxx/LICENSE.TXT
-%{install_libdir}/libc++.so.*
-
-%files devel
-%{install_includedir}/c++/
-%exclude %{install_includedir}/c++/v1/cxxabi.h
-%exclude %{install_includedir}/c++/v1/__cxxabi_config.h
-%{install_libdir}/libc++.so
-
-%files static
-%{install_libdir}/libc++.a
-%{install_libdir}/libc++experimental.a
-
-%files -n libcxxabi
-%license ../libcxxabi/LICENSE.TXT
-%{install_libdir}/libc++abi.so.*
-
-%files -n libcxxabi-devel
-%{install_includedir}/c++/v1/cxxabi.h
-%{install_includedir}/c++/v1/__cxxabi_config.h
-%{install_libdir}/libc++abi.so
-
-%files -n libcxxabi-static
-%{install_libdir}/libc++abi.a
-
-%changelog
-* Tue Jul 04 2023 cf-zhao <zhaochuanfeng@huawei.com> - 15.0.7-1
-- Initial release
diff --git a/libcxxabi-15.0.7.src.tar.xz b/libcxxabi-15.0.7.src.tar.xz
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diff --git a/libcxxabi-15.0.7.src.tar.xz.sig b/libcxxabi-15.0.7.src.tar.xz.sig
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