diff --git a/jjb/metal3/projects.yml b/jjb/metal3/projects.yml
index 81151c8..d6a3b0a 100644
--- a/jjb/metal3/projects.yml
+++ b/jjb/metal3/projects.yml
@@ -288,6 +288,8 @@
             capm3_release_branch: release-1.5
             bmo_release_branch: release-0.4
             schedule: "H 11 * * *"
+        exclude:
+        - image_os: ubuntu # This is to disable the tests running on ubuntu, to save resources
     - capm3_e2e_clusterctl_upgrade_tests_prow:
         capm3_target_branch:
         - main: