diff --git a/test_helpers.py b/test_helpers.py
index 087483d..bbec5d9 100644
--- a/test_helpers.py
+++ b/test_helpers.py
@@ -2,37 +2,18 @@
 
 import unittest
 from unittest import mock
-from utils.helpers import AsyncCrawler, RobotsTxt, standardise_url
-
-
-class TestAsyncCrawler(unittest.TestCase):
-
-    base_url = 'http://eu.httpbin.org'
-    concurrency = 10
-    testcrawler = AsyncCrawler(baseurl=base_url, concurrency=concurrency)
-    expected_urls = ['http://eu.httpbin.org/b/', 'http://eu.httpbin.org/c/']
-    crawled = set()
-    crawled.add('https://eu.httpbin.org/a/')
-
-    @mock.patch('utils.helpers.AsyncCrawler.validate_url', response=True)
-    def test_find_all_urls(self, validate_url):
-
-        with open('test/files/find_all_urls.html', 'r') as f:
-            source = f.read()
-
-        urls = self.testcrawler.find_all_urls(source=source)
-        self.assertEqual(urls, self.expected_urls)
+from utils.helpers import RobotsTxt, standardise_url
 
 
 class TestRobots(unittest.TestCase):
 
-    base_url = 'http://eu.httpbin.org'
+    rooturl = 'http://eu.httpbin.org'
     no_robots = 'https://www.simonweald.com'
 
     test_paths = (('/', True), ('/deny', False))
 
-    robots = RobotsTxt(base_url=base_url)
-    norobots = RobotsTxt(base_url=no_robots)
+    robots = RobotsTxt(rooturl=rooturl)
+    norobots = RobotsTxt(rooturl=no_robots)
 
     def test_robots_txt_deny(self):
         '''
@@ -52,9 +33,9 @@ class TestRobots(unittest.TestCase):
 
 class TestUrls(unittest.TestCase):
 
-    base_url = 'http://eu.httpbin.org'
+    rooturl = 'http://eu.httpbin.org'
 
-    base_url_list = (('eu.httpbin.org', 'http://eu.httpbin.org'),
+    rooturl_list = (('eu.httpbin.org', 'http://eu.httpbin.org'),
                      ('http://eu.httpbin.org/', 'http://eu.httpbin.org'),
                      ('https://eu.httpbin.org', 'https://eu.httpbin.org'))
 
@@ -64,12 +45,12 @@ class TestUrls(unittest.TestCase):
                      ('http://eu.httpbin.org/index.html?foo=bar', 'http://eu.httpbin.org/index.html'),
                      ('http://eu.httpbin.org/index.html#anchor', 'http://eu.httpbin.org/index.html'))
 
-    def test_standardise_base_url(self):
+    def test_standardise_rooturl(self):
         '''
         Tests whether a base URL can be standardised to the format
         proto://[sub].domain.tld.
         '''
-        for url, target in self.base_url_list:
+        for url, target in self.rooturl_list:
             result = standardise_url(url)
             self.assertEqual(result, target)
 
@@ -78,7 +59,7 @@ class TestUrls(unittest.TestCase):
         Ensure that fragments/anchors etc are stripped.
         '''
         for url, target in self.urls_to_clean:
-            result = standardise_url(url, base_url=self.base_url)
+            result = standardise_url(url, rooturl=self.rooturl)
             self.assertEqual(result, target)