diff --git a/scripts/setupcommon.py b/scripts/setupcommon.py
index d5e13ec72..a2e4dfca9 100644
--- a/scripts/setupcommon.py
+++ b/scripts/setupcommon.py
@@ -18,11 +18,9 @@
 # along with qutebrowser.  If not, see <http://www.gnu.org/licenses/>.
 
 
-"""Data used by setup.py and scripts/freeze.py."""
+"""Data used by setup.py and the PyInstaller qutebrowser.spec."""
 
 import sys
-import re
-import ast
 import os
 import os.path
 import subprocess
@@ -30,42 +28,16 @@ sys.path.insert(0, os.path.join(os.path.dirname(__file__), os.pardir))
 
 
 if sys.hexversion >= 0x03000000:
-    _open = open
+    open_file = open
 else:
     import codecs
-    _open = codecs.open
+    open_file = codecs.open
 
 
 BASEDIR = os.path.join(os.path.dirname(os.path.realpath(__file__)),
                        os.path.pardir)
 
 
-def read_file(name):
-    """Get the string contained in the file named name."""
-    with _open(name, 'r', encoding='utf-8') as f:
-        return f.read()
-
-
-def _get_constant(name):
-    """Read a __magic__ constant from qutebrowser/__init__.py.
-
-    We don't import qutebrowser here because it can go wrong for multiple
-    reasons. Instead we use re/ast to get the value directly from the source
-    file.
-
-    Args:
-        name: The name of the argument to get.
-
-    Return:
-        The value of the argument.
-    """
-    field_re = re.compile(r'__{}__\s+=\s+(.*)'.format(re.escape(name)))
-    path = os.path.join(BASEDIR, 'qutebrowser', '__init__.py')
-    line = field_re.search(read_file(path)).group(1)
-    value = ast.literal_eval(line)
-    return value
-
-
 def _git_str():
     """Try to find out git version.
 
@@ -95,37 +67,5 @@ def write_git_file():
     if gitstr is None:
         gitstr = ''
     path = os.path.join(BASEDIR, 'qutebrowser', 'git-commit-id')
-    with _open(path, 'w', encoding='ascii') as f:
+    with open_file(path, 'w', encoding='ascii') as f:
         f.write(gitstr)
-
-
-setupdata = {
-    'name': 'qutebrowser',
-    'version': '.'.join(str(e) for e in _get_constant('version_info')),
-    'description': _get_constant('description'),
-    'long_description': read_file('README.asciidoc'),
-    'url': 'https://www.qutebrowser.org/',
-    'requires': ['pypeg2', 'jinja2', 'pygments', 'PyYAML', 'attrs'],
-    'author': _get_constant('author'),
-    'author_email': _get_constant('email'),
-    'license': _get_constant('license'),
-    'classifiers': [
-        'Development Status :: 3 - Alpha',
-        'Environment :: X11 Applications :: Qt',
-        'Intended Audience :: End Users/Desktop',
-        'License :: OSI Approved :: GNU General Public License v3 or later '
-            '(GPLv3+)',
-        'Natural Language :: English',
-        'Operating System :: Microsoft :: Windows',
-        'Operating System :: Microsoft :: Windows :: Windows XP',
-        'Operating System :: Microsoft :: Windows :: Windows 7',
-        'Operating System :: POSIX :: Linux',
-        'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.5',
-        'Programming Language :: Python :: 3.6',
-        'Topic :: Internet',
-        'Topic :: Internet :: WWW/HTTP',
-        'Topic :: Internet :: WWW/HTTP :: Browsers',
-    ],
-    'keywords': 'pyqt browser web qt webkit',
-}
diff --git a/setup.py b/setup.py
index 7bfd968f6..c90b163ed 100755
--- a/setup.py
+++ b/setup.py
@@ -21,6 +21,8 @@
 
 """setuptools installer script for qutebrowser."""
 
+import re
+import ast
 import os
 import os.path
 
@@ -35,6 +37,32 @@ except NameError:
     BASEDIR = None
 
 
+def read_file(name):
+    """Get the string contained in the file named name."""
+    with common.open_file(name, 'r', encoding='utf-8') as f:
+        return f.read()
+
+
+def _get_constant(name):
+    """Read a __magic__ constant from qutebrowser/__init__.py.
+
+    We don't import qutebrowser here because it can go wrong for multiple
+    reasons. Instead we use re/ast to get the value directly from the source
+    file.
+
+    Args:
+        name: The name of the argument to get.
+
+    Return:
+        The value of the argument.
+    """
+    field_re = re.compile(r'__{}__\s+=\s+(.*)'.format(re.escape(name)))
+    path = os.path.join(BASEDIR, 'qutebrowser', '__init__.py')
+    line = field_re.search(read_file(path)).group(1)
+    value = ast.literal_eval(line)
+    return value
+
+
 try:
     common.write_git_file()
     setuptools.setup(
@@ -45,7 +73,34 @@ try:
         test_suite='qutebrowser.test',
         zip_safe=True,
         install_requires=['pypeg2', 'jinja2', 'pygments', 'PyYAML', 'attrs'],
-        **common.setupdata
+        name='qutebrowser',
+        version='.'.join(str(e) for e in _get_constant('version_info')),
+        description=_get_constant('description'),
+        long_description=read_file('README.asciidoc'),
+        url='https://www.qutebrowser.org/',
+        requires=['pypeg2', 'jinja2', 'pygments', 'PyYAML', 'attrs'],
+        author=_get_constant('author'),
+        author_email=_get_constant('email'),
+        license=_get_constant('license'),
+        classifiers=[
+            'Development Status :: 3 - Alpha',
+            'Environment :: X11 Applications :: Qt',
+            'Intended Audience :: End Users/Desktop',
+            'License :: OSI Approved :: GNU General Public License v3 or later '
+                '(GPLv3+)',
+            'Natural Language :: English',
+            'Operating System :: Microsoft :: Windows',
+            'Operating System :: Microsoft :: Windows :: Windows XP',
+            'Operating System :: Microsoft :: Windows :: Windows 7',
+            'Operating System :: POSIX :: Linux',
+            'Programming Language :: Python :: 3',
+            'Programming Language :: Python :: 3.5',
+            'Programming Language :: Python :: 3.6',
+            'Topic :: Internet',
+            'Topic :: Internet :: WWW/HTTP',
+            'Topic :: Internet :: WWW/HTTP :: Browsers',
+        ],
+        keywords='pyqt browser web qt webkit',
     )
 finally:
     if BASEDIR is not None: