diff --git a/etc/kayobe/kolla.yml b/etc/kayobe/kolla.yml
index 0efb8cdd4e..97b0d7d59f 100644
--- a/etc/kayobe/kolla.yml
+++ b/etc/kayobe/kolla.yml
@@ -112,10 +112,6 @@ kolla_sources:
     type: git
     location: https://github.com/stackhpc/cloudkitty.git
     reference: stackhpc/wallaby
-  horizon:
-    type: git
-    location: https://github.com/stackhpc/horizon.git
-    reference: stackhpc/wallaby
   horizon-plugin-cloudkitty-dashboard:
     type: git
     location: https://github.com/stackhpc/cloudkitty-dashboard.git