diff --git a/.github/workflows/check-deserialize.yml b/.github/workflows/check-deserialize.yml
index a8a546d..4970bad 100644
--- a/.github/workflows/check-deserialize.yml
+++ b/.github/workflows/check-deserialize.yml
@@ -23,18 +23,9 @@ permissions:
 
 jobs:
   check-deserialize:
-    runs-on: ubuntu-24.04
+    runs-on: aws-linux-scale-rocm-small
     timeout-minutes: 180
     steps:
-      # rocm-sdk-devel unpacks to ~13 GB, same as the `rocm-build` job in
-      # setup.yml. No submodules: setup_env.py fetches prebuilt ROCm SDK
-      # wheels, it never builds against the rocm-libraries submodule source.
-      - name: Free disk space
-        run: |
-          sudo rm -rf /usr/share/dotnet /usr/local/lib/android /opt/ghc \
-            /usr/local/.ghcup || true
-          docker system prune -af || true
-
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false