diff --git a/python-cryptography.changes b/python-cryptography.changes
index f3f2d05..9cf9b37 100644
--- a/python-cryptography.changes
+++ b/python-cryptography.changes
@@ -1,8 +1,3 @@
--------------------------------------------------------------------
-Fri Nov 10 09:21:12 UTC 2017 - mimi.vx@gmail.com
-
-- fix build on systems without python2 
-
 -------------------------------------------------------------------
 Thu Nov  9 06:06:39 UTC 2017 - arun@gmx.de
 
diff --git a/python-cryptography.spec b/python-cryptography.spec
index 79388d4..b41ff2a 100644
--- a/python-cryptography.spec
+++ b/python-cryptography.spec
@@ -16,13 +16,6 @@
 #
 
 
-# trick needed for build on systems without python2
-%if 0%{?have_python2}
-%bcond_with py2
-%else
-%bcond_without py2
-%endif
-
 %{?!python_module:%define python_module() python-%{**} python3-%{**}}
 Name:           python-cryptography
 Version:        2.1.3
@@ -59,6 +52,10 @@ Requires:       python-pyasn1 >= 0.1.8
 Requires:       python-setuptools >= 11.3
 Requires:       python-six >= 1.4.1
 %requires_eq    python-cffi
+%ifpython2
+BuildRequires:  python2-enum34
+BuildRequires:  python2-ipaddress
+%endif
 # SECTION Test requirements
 BuildRequires:  %{python_module hypothesis}
 BuildRequires:  %{python_module iso8601}
@@ -68,14 +65,10 @@ BuildRequires:  %{python_module pyasn1 >= 0.1.8}
 BuildRequires:  %{python_module pytest}
 BuildRequires:  %{python_module virtualenv}
 # /SECTION
-%if %{with py2}
-%if "%python_flavor" == "python2"
-BuildRequires:  python2-enum34
-BuildRequires:  python2-ipaddress
+%ifpython2
 Requires:       python-enum34
 Requires:       python-ipaddress
 %endif
-%endif
 %python_subpackages
 
 %description