diff --git a/manage-audience.yml b/manage-audience.yml
index 38256bd..e45a1e6 100644
--- a/manage-audience.yml
+++ b/manage-audience.yml
@@ -1107,7 +1107,6 @@ components:
       enum:
         - AUDIENCE_GROUP_AUDIENCE_INSUFFICIENT
         - INTERNAL_ERROR
-        - null
     AudienceGroupPermission:
       description: "Permission"
       type: string