diff --git a/.github/workflows/debug-artifacts-legacy.yml b/.github/workflows/debug-artifacts-legacy.yml
deleted file mode 100644
index 3ea3074bf6..0000000000
--- a/.github/workflows/debug-artifacts-legacy.yml
+++ /dev/null
@@ -1,99 +0,0 @@
-# Checks logs, SARIF, and database bundle debug artifacts exist and are accessible
-# with download-artifact@v3 when CODEQL_ACTION_ARTIFACT_V4_UPGRADE is set to false.
-name: PR Check - Debug artifact upload using artifact@v2
-env:
-  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-  CODEQL_ACTION_ARTIFACT_V4_UPGRADE: false
-on:
-  push:
-    branches:
-    - main
-    - releases/v*
-  pull_request:
-    types:
-    - opened
-    - synchronize
-    - reopened
-    - ready_for_review
-  schedule:
-    - cron: '0 5 * * *'
-  workflow_dispatch: {}
-jobs:
-  upload-artifacts:
-    strategy:
-      fail-fast: false
-      matrix:
-        version:
-        - stable-v2.14.6
-        - stable-v2.15.5
-        - stable-v2.16.6
-        - stable-v2.17.6
-        - stable-v2.18.4
-        - default
-        - linked
-        - nightly-latest
-    name: Upload debug artifacts
-    env:
-      CODEQL_ACTION_TEST_MODE: true
-    timeout-minutes: 45
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check out repository
-        uses: actions/checkout@v4
-      - name: Prepare test
-        id: prepare-test
-        uses: ./.github/actions/prepare-test
-        with:
-          version: ${{ matrix.version }}
-      - uses: actions/setup-go@v5
-        with:
-          go-version: ^1.13.1
-      - uses: ./../action/init
-        id: init
-        with:
-          tools: ${{ steps.prepare-test.outputs.tools-url }}
-          debug: true
-          debug-artifact-name: my-debug-artifacts
-          debug-database-name: my-db
-          # We manually exclude Swift from the languages list here, as it is not supported on Ubuntu
-          languages: cpp,csharp,go,java,javascript,python,ruby
-      - name: Build code
-        shell: bash
-        run: ./build.sh
-      - uses: ./../action/analyze
-        id: analysis
-  download-and-check-artifacts:
-    name: Download and check debug artifacts
-    needs: upload-artifacts
-    timeout-minutes: 45
-    runs-on: ubuntu-latest
-    steps:
-      - name: Download all artifacts
-        uses: actions/download-artifact@v3
-      - name: Check expected artifacts exist
-        shell: bash
-        run: |
-          VERSIONS="stable-v2.14.6 stable-v2.15.5 stable-v2.16.6 stable-v2.17.6 stable-v2.18.4 default linked nightly-latest"
-          LANGUAGES="cpp csharp go java javascript python"
-          for version in $VERSIONS; do
-            pushd "./my-debug-artifacts-${version//./}"
-            echo "Artifacts from version $version:"
-            for language in $LANGUAGES; do
-              echo "- Checking $language"
-              if [[ ! -f "$language.sarif" ]] ; then
-                echo "Missing a SARIF file for $language"
-                exit 1
-              fi
-              if [[ ! -f "my-db-$language.zip" ]] ; then
-                echo "Missing a database bundle for $language"
-                exit 1
-              fi
-              if [[ ! -d "$language/log" ]] ; then
-                echo "Missing logs for $language"
-                exit 1
-              fi
-            done
-            popd
-          done
-        env:
-          GO111MODULE: auto