diff --git a/test-requirements.txt b/test-requirements.txt
index 3ddc20932..8d61c4455 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -6,7 +6,6 @@ sphinx_rtd_theme==0.1.7
 hacking>=0.10.0,<0.11
 
 coverage>=3.6
-discover
 fixtures>=0.3.14
 python-subunit>=0.0.18
 testrepository>=0.0.18