diff --git a/.github/workflows/upstream-sync.yml b/.github/workflows/upstream-sync.yml
index 2183091a97..4337b183df 100644
--- a/.github/workflows/upstream-sync.yml
+++ b/.github/workflows/upstream-sync.yml
@@ -23,13 +23,3 @@ jobs:
     uses: stackhpc/.github/.github/workflows/upstream-sync.yml@main
     with:
       release_series: yoga
-  synchronise-xena:
-    name: Synchronise xena
-    uses: stackhpc/.github/.github/workflows/upstream-sync.yml@main
-    with:
-      release_series: xena
-  synchronise-wallaby:
-    name: Synchronise wallaby
-    uses: stackhpc/.github/.github/workflows/upstream-sync.yml@main
-    with:
-      release_series: wallaby