diff --git a/test-requirements.txt b/test-requirements.txt
index 692a86645f..6522bdf5f9 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,7 +1,4 @@
-# Install bounded pep8/pyflakes first, then let flake8 install
-pep8==1.4.5
-pyflakes>=0.7.2,<0.7.4
-flake8==2.0
+# Hacking already pins down pep8, pyflakes and flake8
 hacking>=0.8.0,<0.9
 
 coverage>=3.6