diff --git a/setup.py b/setup.py
index 7c0e8a1f..de1433ef 100644
--- a/setup.py
+++ b/setup.py
@@ -58,9 +58,7 @@ if 'bdist_wheel' not in sys.argv:
 # bdist_wheel
 extras_require = {
     # http://wheel.readthedocs.io/en/latest/#defining-conditional-dependencies
-    ':python_version == "2.6"'
-    ' or python_version == "3.0"'
-    ' or python_version == "3.1" ': ['argparse>=1.2.1'],
+    'python_version == "3.0" or python_version == "3.1"': ['argparse>=1.2.1'],
     ':sys_platform == "win32"': ['colorama>=0.2.4'],
 }