diff --git a/metadata.yaml b/metadata.yaml
index 4b7306b..7d3bf2a 100644
--- a/metadata.yaml
+++ b/metadata.yaml
@@ -8,7 +8,6 @@ tags:
   - openstack
 series:
   - xenial
-  - zesty
   - yakkety
 subordinate: true
 peers: