diff --git a/tox.ini b/tox.ini
index 18f8ae5cf3..512f4b4d62 100644
--- a/tox.ini
+++ b/tox.ini
@@ -68,10 +68,6 @@ downloadcache = ~/cache/pip
 
 [testenv:cover]
 commands = python setup.py testr --coverage --testr-args='{posargs}'
-# NOTE(sdague): this target does not use constraints because
-# upstream infra does not yet support it. Once that's fixed, we can
-# drop the install_command.
-install_command = pip install -U --force-reinstall {opts} {packages}
 
 [testenv:venv]
 # NOTE(jaegerandi): this target does not use constraints because