diff --git a/.github/workflows/picasso_build.yml b/.github/workflows/picasso_build.yml
deleted file mode 100644
index a0f0659e..00000000
--- a/.github/workflows/picasso_build.yml
+++ /dev/null
@@ -1,19 +0,0 @@
-
-name: Picasso Build
-
-on: workflow_dispatch
-# It's undesirable to trigger from PRs because it needs permissions for the forked repo,
-# which have possible security implications.
-#on: [push, pull_request]
-
-jobs:
-  build-images:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-    steps:
-      - uses: actions/checkout@v6
-      - name: Build fab image
-        uses: MetOffice/picasso-build-images-action@v1
-        with:
-          images: '[{"name": "image", "path": "envs/picasso/image.yml", "tag": "latest"}]'