diff --git a/python-gssapi.spec b/python-gssapi.spec
index d3c76ce34a23413f76f1aa872da5c8ce806b9da8..1c03638f7bf367abb8d66b8a7730622e0c1c1c48 100644
--- a/python-gssapi.spec
+++ b/python-gssapi.spec
@@ -1,65 +1,45 @@
 Name:                python-gssapi
 Version:             1.5.1
-Release:             2
+Release:             3
 Summary:             Python Bindings for GSSAPI (RFC 2743/2744 and extensions)
 License:             ISC
 URL:                 https://github.com/pythongssapi/python-gssapi
 Source0:             https://github.com/pythongssapi/python-gssapi/releases/download/v%{version}/python-gssapi-%{version}.tar.gz
-BuildRequires:       python2-devel krb5-devel >= 1.10 krb5-libs >= 1.10 python2-Cython >= 0.21
-BuildRequires:       python2-setuptools gcc  git
+BuildRequires:       krb5-devel >= 1.10 krb5-libs >= 1.10 gcc git
 BuildRequires:       python3-devel python3-setuptools python3-Cython
-%description
-Python-GSSAPI provides both low-level and high level wrappers around the GSSAPI C libraries.
-While it focuses on the Kerberos mechanism, it should also be useable with other GSSAPI mechanisms.
 
-%package -n          python2-gssapi
-Summary:             Python Bindings for GSSAPI (RFC 2743/2744 and extensions)
-Requires:            krb5-libs >= 1.10 python2-six python2-enum34 python2-decorator
-Provides:            python-gssapi = %{version}-%{release}
-Obsoletes:           python-gssapi < %{version}-%{release}
-%description -n      python2-gssapi
+%description
 Python-GSSAPI provides both low-level and high level wrappers around the GSSAPI C libraries.
 While it focuses on the Kerberos mechanism, it should also be useable with other GSSAPI mechanisms.
 
 %package -n          python3-gssapi
 Summary:             Python 3 Bindings for GSSAPI (RFC 2743/2744 and extensions)
 Requires:            krb5-libs >= 1.10 python3-six python3-decorator
+
 %description -n      python3-gssapi
 Python-GSSAPI provides both low-level and high level wrappers around the GSSAPI C libraries.
 While it focuses on the Kerberos mechanism, it should also be useable with other GSSAPI mechanisms.
 
+%{?python_provide:%python_provide python3-gssapi}
+
 %prep
 %autosetup -S git -n %{name}-%{version} -p1
-rm -rf %{py3dir}
-cp  -a . %{py3dir}
-
 
 %build
-CFLAGS="%{optflags}" %{__python2} setup.py build
-cd %{py3dir}
-CFLAGS="%{optflags}" %{__python3} setup.py build
-cd -
+%py3_build
 
 %install
-cd %{py3dir}
-%{__python3} setup.py install --skip-build --root %{buildroot}
+%py3_install
 find %{buildroot}%{python3_sitearch}/gssapi -name '*.so' \
     -exec chmod 0755 {} \;
-cd -
-%{__python2} setup.py install --skip-build --root %{buildroot}
-find %{buildroot}%{python2_sitearch}/gssapi -name '*.so' \
-    -exec chmod 0755 {} \;
-
-%check
-
-%files -n python2-gssapi
-%doc README.txt LICENSE.txt
-%{python2_sitearch}/*
 
 %files -n python3-gssapi
 %doc README.txt  LICENSE.txt
 %{python3_sitearch}/*
 
 %changelog
+*Wed Oct 21 2020 leiju <leiju4@huawei.com> - 1.5.1-3
+- remove python2 subpackage
+
 * Tue Apr 28 2020 yanan li <liyanan032@huawei.com> - 1.5.1-2
 - Package init