diff --git a/requirements.txt b/requirements.txt
index 3be01867..081b4eba 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,16 +6,10 @@ pbr>=1.6
 
 stevedore>=1.5.0 # Apache-2.0
 netaddr!=0.7.16,>=0.7.12
-
-# for timeutils
-iso8601>=0.1.9
-
-# for jsonutils
 six>=1.9.0
 
 oslo.i18n>=1.5.0 # Apache-2.0
 oslo.utils>=2.8.0 # Apache-2.0
-Babel>=1.3
 
 # for the routing notifier
 PyYAML>=3.1.0