diff --git a/python-cryptography.spec b/python-cryptography.spec
index d6f32c38f792bd304a760d22064824e1c7eb2e81..d81abde95fd723f9011969762e2a13f21143d7fd 100644
--- a/python-cryptography.spec
+++ b/python-cryptography.spec
@@ -3,7 +3,7 @@
 
 Name:           python-cryptography
 Version:        2.9.2
-Release:        2
+Release:        3
 Summary:        PyCA's cryptography library
 License:        ASL 2.0 or BSD
 URL:            https://cryptography.io/en/latest/
@@ -76,18 +76,12 @@ recipes to Python developers.
 %prep
 %autosetup -n cryptography-%{version} -p1
 
-rm -rf %{py3dir}
-cp -a . %{py3dir}
-find %{py3dir} -name '*.py' | xargs sed -i '1s|^#!/usr/bin/python|#!%{__python3}|'
-
 %build
 %if %{with python2}
 %py2_build
 %endif
 
-pushd %{py3dir}
 %py3_build
-popd
 
 %install
 # Actually other *.c and *.h are appropriate
@@ -98,9 +92,7 @@ find . -name .keep -print -delete
 %py2_install
 %endif
 
-pushd %{py3dir}
 %py3_install
-popd
 
 %check
 # skip hypothesis tests
@@ -110,11 +102,9 @@ rm -rf tests/hypothesis
 PYTHONPATH=%{buildroot}%{python2_sitearch} %{__python2} -m pytest -k "not (test_buffer_protocol_alternate_modes or test_dh_parameters_supported or test_load_ecdsa_no_named_curve)"
 %endif
 
-pushd %{py3dir}
 # skip hypothesis tests
 rm -rf tests/hypothesis
 PYTHONPATH=%{buildroot}%{python3_sitearch} %{__python3} -m pytest -k "not (test_buffer_protocol_alternate_modes or test_dh_parameters_supported or test_load_ecdsa_no_named_curve)"
-popd
 
 %if %{with python2}
 %files -n python2-cryptography
@@ -130,13 +120,15 @@ popd
 %doc AUTHORS.rst
 %license LICENSE LICENSE.APACHE LICENSE.BSD
 %{python3_sitearch}/*
-%{python3_sitearch}/cryptography-%{version}-py*.egg-info
 
 %files help
 %defattr(-,root,root)
 %doc README.rst docs
 
 %changelog
+* Wed Mar 24 2021 shixuantong <shixuantong@huawei.com> - 2.9.2-3
+- remove %{py3dir}
+
 * Wed Feb 24 2021 shixuantong <shixuantong@huawei.com> - 2.9.2-2
 - fix CVE-2020-36242 and skip hypothesis tests