diff --git a/no-unittest2.patch b/no-unittest2.patch
new file mode 100644
index 0000000..eb2ec1e
--- /dev/null
+++ b/no-unittest2.patch
@@ -0,0 +1,16 @@
+Index: ujson-1.35/tests/tests.py
+===================================================================
+--- ujson-1.35.orig/tests/tests.py
++++ ujson-1.35/tests/tests.py
+@@ -11,10 +11,7 @@ import json
+ import math
+ import time
+ import pytz
+-if six.PY2:
+-    import unittest2 as unittest
+-else:
+-    import unittest
++import unittest
+ 
+ import ujson
+ 
diff --git a/python-ujson.changes b/python-ujson.changes
index 9780a7e..8037a1b 100644
--- a/python-ujson.changes
+++ b/python-ujson.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Fri Aug 10 11:15:14 UTC 2018 - tchvatal@suse.com
+
+- Do not depend on unittest2 it is not needed:
+  * no-unittest2.patch
+- Really execute the tests
+
 -------------------------------------------------------------------
 Wed Apr 26 03:28:07 UTC 2017 - toddrme2178@gmail.com
 
diff --git a/python-ujson.spec b/python-ujson.spec
index 752a1b1..abfa8b1 100644
--- a/python-ujson.spec
+++ b/python-ujson.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-ujson
 #
-# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -16,8 +16,6 @@
 #
 
 
-%bcond_with tests
-
 %{?!python_module:%define python_module() python-%{**} python3-%{**}}
 Name:           python-ujson
 Version:        1.35
@@ -25,21 +23,18 @@ Release:        0
 Summary:        JSON encoder and decoder for Python
 License:        BSD-3-Clause
 Group:          Development/Languages/Python
-Url:            http://www.esn.me
+URL:            https://github.com/esnme/ultrajson
 Source:         https://files.pythonhosted.org/packages/source/u/ujson/ujson-%{version}.tar.gz
 # PATCH-FIX-UPSTREAM -- do_not_remove_build_directory_manually.patch -- https://github.com/esnme/ultrajson/issues/179
 Patch0:         do_not_remove_build_directory_manually.patch
+Patch1:         no-unittest2.patch
+BuildRequires:  %{python_module blist}
+BuildRequires:  %{python_module devel}
+BuildRequires:  %{python_module pytz}
+BuildRequires:  %{python_module setuptools}
+BuildRequires:  %{python_module six}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
-BuildRequires:  %{python_module devel}
-BuildRequires:  %{python_module setuptools}
-%if %{with tests}
-BuildRequires:  %{python_module blist}
-BuildRequires:  %{python_module six}
-BuildRequires:  %{python_module pytz}
-BuildRequires:  python-unittest2
-%endif
-BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 %python_subpackages
 
 %description
@@ -50,25 +45,23 @@ decoder experience please checkout ujson4c_, based on UltraJSON.
 %prep
 %setup -q -n ujson-%{version}
 %patch0 -p1
+%patch1 -p1
 
 %build
-export CFLAGS="%{optflags}"
+export CFLAGS="%{optflags} -fno-strict-aliasing"
 %python_build
 
 %install
 %python_install
 %python_expand %fdupes %{buildroot}%{$python_sitearch}
 
-%if %{with tests}
 %check
 pushd tests
 %{python_expand export PYTHONPATH=%{buildroot}%{$python_sitearch}
 $python tests.py
 }
-%endif
 
 %files %{python_files}
-%defattr(-,root,root,-)
 %doc README.rst
 %{python_sitearch}/ujson.*
 %{python_sitearch}/ujson-%{version}-py*.egg-info