diff --git a/tox.ini b/tox.ini
index 563e332a..be0b2d71 100644
--- a/tox.ini
+++ b/tox.ini
@@ -20,17 +20,9 @@ commands =
     flake8 {posargs}
 
 [testenv:venv]
-# NOTE(from nova tox.ini by jaegerandi): 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}
 commands = {posargs}
 
 [testenv:cover]
-# NOTE(from nova tox.ini by jaegerandi): 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}
 commands = python setup.py testr --coverage --testr-args='{posargs}'
 
 [testenv:docs]
@@ -44,10 +36,6 @@ commands = flake8
 commands = oslo-config-generator --config-file etc/oslo-config-generator/muranoagent.conf
 
 [testenv:releasenotes]
-# NOTE(from nova tox.ini by jaegerandi): 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}
 commands = sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html
 
 [flake8]