diff --git a/llvm-toolset-18.spec b/llvm-toolset-18.spec
index a47a365dea221e2bd3923a6faf80cb594bfe4886..04e08a498e30d60583eef5ffd00b4b04b51b3ee4 100644
--- a/llvm-toolset-18.spec
+++ b/llvm-toolset-18.spec
@@ -149,7 +149,7 @@
 #region main package
 Name:		  llvm-toolset-%{maj_ver}
 Version:	%{maj_ver}.%{min_ver}.%{patch_ver}
-Release:	4
+Release:	5
 Summary:	The Low Level Virtual Machine
 
 License:	NCSA
@@ -562,7 +562,9 @@ License:	Apache-2.0 WITH LLVM-exception OR NCSA
 URL:		http://lldb.llvm.org/
 
 Requires:	%{pkg_name_clang}-libs%{?_isa} = %{version}-%{release}
-Requires:	%{?scl_prefix}python3-lldb
+%if %{with sys_llvm}
+Requires:	python%{python3_pkgversion}-lldb
+%endif
 
 %description -n %{pkg_name_lldb}
 LLDB is a next generation, high-performance debugger. It is built as a set
@@ -577,15 +579,17 @@ Requires:	%{pkg_name_lldb}%{?_isa} = %{version}-%{release}
 %description -n %{pkg_name_lldb}-devel
 The package contains header files for the LLDB debugger.
 
-%package -n %{?scl_prefix}python3-lldb
-%{?python_provide:%python_provide python3-lldb}
+%if %{with sys_llvm}
+%package -n python%{python3_pkgversion}-lldb
+%{?python_provide:%python_provide python%{python3_pkgversion}-lldb}
 Summary:	Python module for LLDB
 
 Requires:	%{pkg_name_lldb}%{?_isa} = %{version}-%{release}
 
-%description -n %{?scl_prefix}python3-lldb
+%description -n python%{python3_pkgversion}-lldb
 The package contains the LLDB Python module.
 %endif
+%endif
 #endregion LLDB packages
 
 #region MLIR packages
@@ -617,16 +621,18 @@ Requires: %{pkg_name_mlir}-static%{?_isa} = %{version}-%{release}
 %description -n %{pkg_name_mlir}-devel
 MLIR development files.
 
-%package -n %{?scl_prefix}python3-mlir
-%{?python_provide:%python_provide python3-mlir}
+%if %{with sys_llvm}
+%package -n python%{python3_pkgversion}-mlir
+%{?python_provide:%python_provide python%{python3_pkgversion}-mlir}
 Summary:	MLIR python bindings
 
 Requires: python3
-Requires: python3-numpy
+Requires: python%{python3_pkgversion}-numpy
 
-%description -n %{?scl_prefix}python3-mlir
+%description -n python%{python3_pkgversion}-mlir
 MLIR python bindings.
 %endif
+%endif
 #endregion MLIR packages
 
 #region libcxx packages
@@ -1391,19 +1397,24 @@ install -D -m 644 -t  %{buildroot}%{_mandir}/man1/ lld/docs/ld.lld.1
 
 # python: fix binary libraries location
 liblldb=$(basename $(readlink -e %{buildroot}%{install_libdir}/liblldb.so))
+%if %{with sys_llvm}
 mkdir -p %{buildroot}%{python3_sitearch}
 mv %{buildroot}%{install_prefix}/..%{python3_sitearch}/lldb %{buildroot}%{python3_sitearch}/lldb
 ln -vsf "../../../${liblldb}" %{buildroot}%{python3_sitearch}/lldb/_lldb.so
 %py_byte_compile %{__python3} %{buildroot}%{python3_sitearch}/lldb
 %endif
+rm -rf %{buildroot}%{install_prefix}/..%{python3_sitearch}/lldb
+%endif
 #endregion LLDB installation
 
 #region mlir installation
 %if %{with mlir}
+%if %{with sys_llvm}
 mkdir -p %{buildroot}/%{python3_sitearch}
 mv %{buildroot}%{install_prefix}/python_packages/mlir_core/mlir %{buildroot}/%{python3_sitearch}
+%endif
 # These directories should be empty now.
-rmdir %{buildroot}%{install_prefix}/python_packages/mlir_core %{buildroot}%{install_prefix}/python_packages
+rm -rf %{buildroot}%{install_prefix}/python_packages/mlir_core %{buildroot}%{install_prefix}/python_packages
 # Unneeded files.
 rm -rf %{buildroot}%{install_prefix}/src/python
 %endif
@@ -2633,9 +2644,11 @@ fi
 %files -n %{pkg_name_lldb}-devel
 %{install_includedir}/lldb
 
-%files -n %{?scl_prefix}python3-lldb
+%if %{with sys_llvm}
+%files -n python%{python3_pkgversion}-lldb
 %{python3_sitearch}/lldb
 %endif
+%endif
 #endregion LLDB files
 
 #region MLIR files
@@ -2705,9 +2718,11 @@ fi
 %{install_libdir}/libmlir_runner_utils.so
 %{install_libdir}/libMLIR*.so
 
-%files -n %{?scl_prefix}python3-mlir
+%if %{with sys_llvm}
+%files -n python%{python3_pkgversion}-mlir
 %{python3_sitearch}/mlir/
 %endif
+%endif
 #endregion MLIR files
 
 #region libcxx files
@@ -2771,6 +2786,9 @@ fi
 #endregion files
 
 %changelog
+* Mon Mar 3 2025 liyunfei liyunfei33@huawei.com - 18.1.8-5
+- Remove python pack without sys_llvm
+
 * Tue Feb 25 2025 liyunfei <liyunfei33@huawei.com> - 18.1.8-4
 - Bugfixes for 2203 libomp install & package name