diff --git a/.github/workflows/docker-cleanup.yml b/.github/workflows/docker-cleanup.yml
new file mode 100644
index 0000000..f6e21bb
--- /dev/null
+++ b/.github/workflows/docker-cleanup.yml
@@ -0,0 +1,18 @@
+name: Docker cleanup
+
+on:
+  workflow_dispatch:
+
+permissions:
+  packages: write
+
+jobs:
+  delete_versions:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/delete-package-versions@v5
+      with: 
+        package-name: 'sdmeta'
+        package-type: 'container'
+        min-versions-to-keep: 10
+        delete-only-untagged-versions: false
diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
deleted file mode 100644
index 3299a89..0000000
--- a/.github/workflows/pull-request.yml
+++ /dev/null
@@ -1,30 +0,0 @@
-name: Build and test
-
-# This workflow uses actions that are not certified by GitHub.
-# They are provided by a third-party and are governed by
-# separate terms of service, privacy policy, and support
-# documentation.
-
-on:
-  workflow_dispatch:
-  pull_request:
-    branches: [ main ]
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v6
-      with:
-        submodules: recursive
-    - name: Setup .NET
-      uses: actions/setup-dotnet@v5
-      with:
-        dotnet-version: 10.0.x
-    - name: Restore dependencies
-      run: dotnet restore
-    - name: Build
-      run: dotnet build --no-restore
-    - name: Test
-      run: dotnet test --no-build --verbosity normal /p:CollectCoverage=true