diff --git a/zuul.d/devstack-tobiko-minimal.yaml b/zuul.d/devstack-tobiko-minimal.yaml
index 52fdaa0..ba77802 100644
--- a/zuul.d/devstack-tobiko-minimal.yaml
+++ b/zuul.d/devstack-tobiko-minimal.yaml
@@ -20,7 +20,7 @@
     nodeset: devstack-tobiko-jammy
     voting: true
     branches:
-      regex: ^(stable/(wallaby|xena|yoga|zed|2023.1)).*$
+      regex: ^(unmaintained|stable/(wallaby|xena|yoga|zed|2023.1)).*$
       negate: true
     description: |
       Minimal Devstack Tobiko Plugin job.
@@ -100,7 +100,7 @@
     parent: devstack
     nodeset: devstack-tobiko-focal
     voting: true
-    branches: ^(stable/(wallaby|xena|yoga|zed|2023.1)).*$
+    branches: ^(unmaintained|stable/(wallaby|xena|yoga|zed|2023.1)).*$
     description: |
       Minimal Devstack Tobiko Plugin job Stable branches variant.
 
diff --git a/zuul.d/devstack-tobiko-neutron.yaml b/zuul.d/devstack-tobiko-neutron.yaml
index c25a7b5..bb74562 100644
--- a/zuul.d/devstack-tobiko-neutron.yaml
+++ b/zuul.d/devstack-tobiko-neutron.yaml
@@ -19,7 +19,7 @@
     parent: devstack-tobiko
     voting: true
     branches:
-      regex: ^(stable/(xena|yoga|zed)).*$
+      regex: ^(unmaintained|stable/(xena|yoga|zed)).*$
       negate: true
     description: |
       Base Tobiko devstack job to execute scenario+faults+scenario test cases.
@@ -41,7 +41,7 @@
     name: devstack-tobiko-neutron
     parent: devstack-tobiko
     voting: true
-    branches: ^(stable/(xena|yoga|zed)).*$
+    branches: ^(unmaintained|stable/(xena|yoga|zed)).*$
     description: |
       Base Tobiko devstack job to execute scenario+faults+scenario test cases.
       Variant applied to stable branches xena, yoga and zed.
diff --git a/zuul.d/devstack-tobiko-octavia.yaml b/zuul.d/devstack-tobiko-octavia.yaml
index a6940ce..2a0f1e8 100644
--- a/zuul.d/devstack-tobiko-octavia.yaml
+++ b/zuul.d/devstack-tobiko-octavia.yaml
@@ -24,7 +24,6 @@
       - openstack/octavia-lib
       - openstack/diskimage-builder
       - openstack/ovn-octavia-provider
-      - openstack/tripleo-image-elements
       - openstack/barbican
     irrelevant-files: &IRRELEVANT_FILES
       - ^.*\.rst$
@@ -83,7 +82,6 @@
     required-projects:
       - openstack/octavia
       - openstack/octavia-lib
-      - openstack/tripleo-image-elements
     irrelevant-files: *IRRELEVANT_FILES
     vars:
       devstack_plugins: