diff --git a/examples/policies/lb_policy.yaml b/examples/policies/lb_policy.yaml
index 1d74f7b05..06e1bcfbb 100644
--- a/examples/policies/lb_policy.yaml
+++ b/examples/policies/lb_policy.yaml
@@ -19,7 +19,7 @@ properties:
 
     session_persistence:
       # type of session persistence, valid values include:
-      # SOURCE_IP, HTTP_COOKIE, APP_COOKIE
+      # SOURCE_IP, HTTP_COOKIE, APP_COOKIE, NONE
       type: SOURCE_IP
       # Name of cookie if type set to APP_COOKIE
       cookie_name: whatever
diff --git a/senlin/policies/lb_policy.py b/senlin/policies/lb_policy.py
index b95ac69cb..edf43876d 100755
--- a/senlin/policies/lb_policy.py
+++ b/senlin/policies/lb_policy.py
@@ -142,8 +142,9 @@ class LoadBalancingPolicy(base.Policy):
 
     PERSISTENCE_TYPES = (
         PERSIST_SOURCE_IP, PERSIST_HTTP_COOKIE, PERSIST_APP_COOKIE,
+        PERSIST_NONE,
     ) = (
-        'SOURCE_IP', 'HTTP_COOKIE', 'APP_COOKIE',
+        'SOURCE_IP', 'HTTP_COOKIE', 'APP_COOKIE', 'NONE',
     )
 
     properties_schema = {