diff --git a/files/rpms/horizon b/files/rpms/horizon
index 151e7e21af..d50482ea1d 100644
--- a/files/rpms/horizon
+++ b/files/rpms/horizon
@@ -16,7 +16,8 @@ python-kombu
 python-migrate
 python-mox
 python-netaddr
-python-nose
+# RHEL6's python-nose is incompatible with Tempest
+python-nose         #dist:f16,f17,f18
 python-paste        #dist:f16,f17,f18
 python-paste-deploy #dist:f16,f17,f18
 python-pep8
diff --git a/files/rpms/swift b/files/rpms/swift
index 1b36e34eab..c626d8e3e0 100644
--- a/files/rpms/swift
+++ b/files/rpms/swift
@@ -7,7 +7,8 @@ python-devel
 python-eventlet
 python-greenlet
 python-netifaces
-python-nose
+# RHEL6's python-nose is incompatible with Tempest
+python-nose         # dist:f16,f17,f18
 python-paste-deploy # dist:f16,f17,f18
 python-setuptools   # dist:f16,f17,f18
 python-simplejson