diff --git a/python-pyasn1.spec b/python-pyasn1.spec
index 949a4a3..3c89b6d 100644
--- a/python-pyasn1.spec
+++ b/python-pyasn1.spec
@@ -1,10 +1,9 @@
 Name:           python-pyasn1
 Version:        0.4.8
-Release:        1
+Release:        2
 Summary:        ASN.1 library for Python
 License:        BSD
 Source0:        https://github.com/etingof/pyasn1/archive/v%{version}.tar.gz
-Source1:        https://github.com/etingof/pyasn1-modules/archive/v0.1.5.tar.gz
 URL:            http://pyasn1.sourceforge.net/
 BuildArch:      noarch
 BuildRequires:  python2-devel python2-setuptools python3-devel python3-setuptools
@@ -18,23 +17,16 @@ The pyasn1 library implements ASN.1 support in pure-Python.
 
 %package -n     python2-pyasn1
 Summary:        Pyasn1 in python 2
-Provides:       python2-pyasn1-modules
-Obsoletes:      python2-pyasn1-modules
 
 %{?python_provide:%python_provide python2-pyasn1}
 %{!?python_provide:Provides: python-pyasn1}
-%{?python_provide:%python_provide python2-pyasn1-modules}
-%{!?python_provide:Provides: python-pyasn1-modules}
 
 %description -n python2-pyasn1
 Pyasn1 in python 2.
 
 %package -n     python3-pyasn1
 Summary:        Pyasn1 in python 3
-Provides:       python3-pyasn1-modules
-Obsoletes:      python3-pyasn1-modules
 %{?python_provide:%python_provide python3-pyasn1}
-%{?python_provide:%python_provide python3-modules}
 
 %description -n python3-pyasn1
 Pyasn1 in python 3.
@@ -49,37 +41,23 @@ Obsoletes:      python-pyasn1-doc
 Documentation for python-pyasn1.
 
 %prep
-%autosetup -n pyasn1-%{version} -p1 -b1
+%autosetup -n pyasn1-%{version}
 rm -rf %{py3dir}
 cp -a . %{py3dir}
-cp -a ../pyasn1-modules-0.1.5 %{py3dir}-modules
 
 %build
 %{__python} setup.py build
-cd ../pyasn1-modules-0.1.5
-%{__python} setup.py build
-cd -
 
 cd %{py3dir}
 %{__python3} setup.py build
 cd -
-cd %{py3dir}-modules
-%{__python3} setup.py build
-cd -
 
 %install
 cd %{py3dir}
 %{__python3} setup.py install --skip-build --root %{buildroot}
 cd -
 
-cd %{py3dir}-modules
-%{__python3} setup.py install --skip-build --root %{buildroot}
-cd -
-
 %{__python} setup.py install --skip-build --root %{buildroot}
-cd ../pyasn1-modules-0.1.5
-%{__python} setup.py install --skip-build --root %{buildroot}
-cd -
 
 cd docs
 PYTHONPATH="$RPM_BUILD_ROOT%{python_sitelib}:$PYTHONPATH" make html
@@ -98,8 +76,6 @@ cd -
 %license LICENSE.rst
 %{python_sitelib}/pyasn1
 %{python_sitelib}/pyasn1-%{version}-*.egg-info/
-%{python_sitelib}/pyasn1_modules/
-%{python_sitelib}/pyasn1_modules-0.1.5-*.egg-info/
 
 %files -n python3-pyasn1
 %defattr(-,root,root,-)
@@ -107,14 +83,15 @@ cd -
 %license LICENSE.rst
 %{python3_sitelib}/pyasn1
 %{python3_sitelib}/pyasn1-%{version}-*.egg-info/
-%{python3_sitelib}/pyasn1_modules/
-%{python3_sitelib}/pyasn1_modules-0.1.5-*.egg-info/
 
 %files help
 %license LICENSE.rst
 %doc docs/build/html/*
 
 %changelog
+* Thu Oct 15 2020 Zhipeng Xie<xiezhipeng1@huawei.com> - 0.4.8-2
+- delete duplicate pyasn1-modules
+
 * Thu Oct 15 2020 Zhipeng Xie<xiezhipeng1@huawei.com> - 0.4.8-1
 - upgrade to v0.4.8
 
diff --git a/v0.1.5.tar.gz b/v0.1.5.tar.gz
deleted file mode 100644
index e991c09..0000000
Binary files a/v0.1.5.tar.gz and /dev/null differ