diff --git a/tests/unit/test_http_errors.py b/tests/unit/test_http_errors.py
index 4a1845b..4861d4e 100644
--- a/tests/unit/test_http_errors.py
+++ b/tests/unit/test_http_errors.py
@@ -2,10 +2,6 @@ from __future__ import unicode_literals
 import json
 import httpretty
 
-# TEMP: Temporary hack until httpretty string checking is fixed
-if httpretty.compat.PY3:
-    httpretty.core.basestring = (bytes, str)
-
 try:
     import unittest2 as unittest # Python2.6
 except ImportError:
diff --git a/tox.ini b/tox.ini
index 5e0c3da..b810cab 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,17 +2,19 @@
 envlist = py26, py27, py33
 
 [testenv]
-commands = python -m unittest discover --catch tests/unit
+commands = python -m unittest discover tests/unit
 deps =
     mock >= 1.0.0
-    httpretty >= 0.6.1
+    # Hold httpretty at 0.6.5 until https://github.com/gabrielfalcao/HTTPretty/issues/114 is resolved
+    httpretty == 0.6.5
     ddt >= 0.3.0
 
 [testenv:py26]
-commands = unit2 discover --catch tests/unit
+commands = unit2 discover tests/unit
 deps =
     mock >= 1.0.0
-    httpretty >= 0.6.1
+    # Hold httpretty at 0.6.5 until https://github.com/gabrielfalcao/HTTPretty/issues/114 is resolved
+    httpretty == 0.6.5
     ddt >= 0.3.0
     unittest2
     discover