diff --git a/setup.py b/setup.py
index fbc34f7..a830169 100644
--- a/setup.py
+++ b/setup.py
@@ -75,5 +75,4 @@ setup(
     classifiers=CLASSIFIERS,
     scripts=['bin/num2words'],
     install_requires=["docopt>=0.6.2"],
-    tests_require=['delegator.py'],
 )
diff --git a/tests/test_cli.py b/tests/test_cli.py
deleted file mode 100644
index 484a8dc..0000000
--- a/tests/test_cli.py
+++ /dev/null
@@ -1,111 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-# Copyright (c) 2003, Taro Ogawa.  All Rights Reserved.
-# Copyright (c) 2013, Savoir-faire Linux inc.  All Rights Reserved.
-
-# This library is free software; you can redistribute it and/or
-# modify it under the terms of the GNU Lesser General Public
-# License as published by the Free Software Foundation; either
-# version 2.1 of the License, or (at your option) any later version.
-# This library is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# Lesser General Public License for more details.
-# You should have received a copy of the GNU Lesser General Public
-# License along with this library; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
-# MA 02110-1301 USA
-
-from __future__ import unicode_literals
-
-import os
-import unittest
-
-import delegator
-import num2words
-
-
-class CliCaller(object):
-
-    def __init__(self):
-        self.cmd = os.path.realpath(os.path.join(os.path.dirname(__file__),
-                                    "..", "bin", "num2words"))
-        self.cmd_list = ["python", self.cmd]
-
-    def run_cmd(self, *args):
-        cmd_list = self.cmd_list + [str(arg) for arg in args]
-        cmd = " ".join(cmd_list)
-        return delegator.run(cmd)
-
-
-class CliTestCase(unittest.TestCase):
-    """Test the command line app"""
-
-    def setUp(self):
-        self.cli = CliCaller()
-
-    def test_cli_help(self):
-        """num2words without arguments should exit with status 1
-        and show docopt's default short usage message
-        """
-        output = self.cli.run_cmd()
-        self.assertEqual(output.return_code, 1)
-        self.assertTrue(output.err.startswith('Usage:'))
-
-    def test_cli_list_langs(self):
-        """You should be able to list all availabe languages
-        """
-        output = self.cli.run_cmd('--list-languages')
-        self.assertEqual(
-            sorted(list(num2words.CONVERTER_CLASSES.keys())),
-            output.out.strip().split(os.linesep)
-        )
-        output = self.cli.run_cmd('-L')
-        self.assertEqual(
-            sorted(list(num2words.CONVERTER_CLASSES.keys())),
-            output.out.strip().split(os.linesep)
-        )
-
-    def test_cli_list_converters(self):
-        """You should be able to list all available converters
-        """
-        output = self.cli.run_cmd('--list-converters')
-        self.assertEqual(
-            sorted(list(num2words.CONVERTES_TYPES)),
-            output.out.strip().split(os.linesep)
-        )
-        output = self.cli.run_cmd('-C')
-        self.assertEqual(
-            sorted(list(num2words.CONVERTES_TYPES)),
-            output.out.strip().split(os.linesep)
-        )
-
-    def test_cli_default_lang(self):
-        """Default to english
-        """
-        output = self.cli.run_cmd(150)
-        self.assertEqual(output.return_code, 0)
-        self.assertEqual(
-            output.out.strip(),
-            "one hundred and fifty point zero"
-        )
-
-    def test_cli_with_lang(self):
-        """You should be able to specify a language
-        """
-        output = self.cli.run_cmd(150, '--lang', 'es')
-        self.assertEqual(output.return_code, 0)
-        self.assertEqual(
-            output.out.strip(),
-            "ciento cincuenta punto cero"
-        )
-
-    def test_cli_with_lang_to(self):
-        """You should be able to specify a language
-        """
-        output = self.cli.run_cmd(150.55, '--lang', 'es', '--to', 'currency')
-        self.assertEqual(output.return_code, 0)
-        self.assertEqual(
-            output.out.strip(),
-            "ciento cincuenta euros con cincuenta y cinco centimos"
-        )