diff --git a/hooks/ceph_hooks.py b/hooks/ceph_hooks.py
index 6064725..3fbc5f8 100755
--- a/hooks/ceph_hooks.py
+++ b/hooks/ceph_hooks.py
@@ -24,7 +24,6 @@ from ceph.broker import (
     process_requests
 )
 
-from charmhelpers.core import host
 from charmhelpers.core import hookenv
 from charmhelpers.core.hookenv import (
     log,
@@ -112,12 +111,6 @@ def check_for_upgrade():
         log("Ceph is not bootstrapped, skipping upgrade checks.")
         return
 
-    release_info = host.lsb_release()
-    if not release_info['DISTRIB_CODENAME'] == 'trusty':
-        log("Invalid upgrade path from {}.  Only trusty is currently "
-            "supported".format(release_info['DISTRIB_CODENAME']))
-        return
-
     c = hookenv.config()
     old_version = c.previous('source')
     log('old_version: {}'.format(old_version))
diff --git a/unit_tests/test_upgrade.py b/unit_tests/test_upgrade.py
index 2d5d7ff..5e6b8fd 100644
--- a/unit_tests/test_upgrade.py
+++ b/unit_tests/test_upgrade.py
@@ -23,20 +23,15 @@ class UpgradeRollingTestCase(unittest.TestCase):
     @patch('ceph_hooks.ceph.roll_monitor_cluster')
     @patch('ceph_hooks.ceph.wait_for_all_monitors_to_upgrade')
     @patch('ceph_hooks.hookenv')
-    @patch('ceph_hooks.host')
     @patch('ceph_hooks.ceph.roll_osd_cluster')
     def test_check_for_upgrade(self,
                                roll_osd_cluster,
-                               host,
                                hookenv,
                                wait_for_mons,
                                roll_monitor_cluster,
                                log,
                                is_bootstrapped):
         is_bootstrapped.return_value = True
-        host.lsb_release.return_value = {
-            'DISTRIB_CODENAME': 'trusty',
-        }
         previous_mock = MagicMock().return_value
         previous_mock.previous.return_value = "cloud:trusty-juno"
         hookenv.config.side_effect = [previous_mock,
@@ -70,20 +65,15 @@ class UpgradeRollingTestCase(unittest.TestCase):
     @patch('ceph_hooks.ceph.roll_monitor_cluster')
     @patch('ceph_hooks.ceph.wait_for_all_monitors_to_upgrade')
     @patch('ceph_hooks.hookenv')
-    @patch('ceph_hooks.host')
     @patch('ceph_hooks.ceph.roll_osd_cluster')
     def test_check_for_upgrade_not_bootstrapped(self,
                                                 roll_osd_cluster,
-                                                host,
                                                 hookenv,
                                                 wait_for_mons,
                                                 roll_monitor_cluster,
                                                 log,
                                                 is_bootstrapped):
         is_bootstrapped.return_value = False
-        host.lsb_release.return_value = {
-            'DISTRIB_CODENAME': 'trusty',
-        }
         previous_mock = MagicMock().return_value
         previous_mock.previous.return_value = "cloud:trusty-juno"
         hookenv.config.side_effect = [previous_mock,