diff --git a/python-jsonschema.changes b/python-jsonschema.changes
index 993e500..9b870b1 100644
--- a/python-jsonschema.changes
+++ b/python-jsonschema.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed Jan 24 10:24:27 UTC 2018 - tchvatal@suse.com
+
+- Add condition around the python2 code to make sure we can build
+  in python3 only enviroment
+
 -------------------------------------------------------------------
 Wed Apr 19 22:13:57 UTC 2017 - toddrme2178@gmail.com
 
diff --git a/python-jsonschema.spec b/python-jsonschema.spec
index 72334a8..4a9a19a 100644
--- a/python-jsonschema.spec
+++ b/python-jsonschema.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-jsonschema
 #
-# 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
@@ -17,6 +17,7 @@
 
 
 %{?!python_module:%define python_module() python-%{**} python3-%{**}}
+%bcond_without python2
 Name:           python-jsonschema
 Version:        2.6.0
 Release:        0
@@ -25,21 +26,20 @@ License:        MIT
 Group:          Development/Languages/Python
 Url:            http://github.com/Julian/jsonschema
 Source:         https://files.pythonhosted.org/packages/source/j/jsonschema/jsonschema-%{version}.tar.gz
-BuildRequires:  fdupes
-BuildRequires:  python-rpm-macros
-BuildRequires:  %{python_module devel}
+BuildRequires:  %{python_module mock}
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  %{python_module vcversioner >= 2.16.0.0}
+BuildRequires:  fdupes
+BuildRequires:  python-rpm-macros
+%if %{with python2}
 BuildRequires:  python2-functools32
-# Test build requirements
-BuildRequires:  python2-mock
+%endif
+Requires(post): update-alternatives
+Requires(preun): update-alternatives
+BuildArch:      noarch
 %ifpython2
 Requires:       python-functools32
 %endif
-Requires(post):   update-alternatives
-Requires(preun): update-alternatives
-BuildRoot:      %{_tmppath}/%{name}-%{version}-build
-BuildArch:      noarch
 %python_subpackages
 
 %description
@@ -69,7 +69,6 @@ for Python (supporting 2.6+ including Python 3).
 %python_uninstall_alternative jsonschema
 
 %files %{python_files}
-%defattr(-,root,root,-)
 %doc COPYING README.rst
 %python_alternative %{_bindir}/jsonschema
 %{python_sitelib}/*