diff --git a/.github/workflows/sdk-platform-java-downstream_unmanaged_dependency_check.yaml b/.github/workflows/sdk-platform-java-downstream_unmanaged_dependency_check.yaml
deleted file mode 100644
index 0ca81e6ca6cb..000000000000
--- a/.github/workflows/sdk-platform-java-downstream_unmanaged_dependency_check.yaml
+++ /dev/null
@@ -1,112 +0,0 @@
-permissions:
-  contents: read
-
-on:
-  push:
-    branches:
-      - main
-  pull_request:
-
-name: sdk-platform-java Downstream Unmanaged Dependency Check
-env:
-  BUILD_SUBDIR: sdk-platform-java
-jobs:
-  filter:
-    runs-on: ubuntu-latest
-    outputs:
-      library: ${{ steps.filter.outputs.library }}
-    steps:
-    - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
-      with:
-        persist-credentials: false
-    - uses: dorny/paths-filter@fbd0ab8f3e69293af611ebaee6363fc25e6d187d # v4.0.1
-      id: filter
-      with:
-        filters: |
-          library:
-            - 'sdk-platform-java/java-shared-dependencies/**'
-            - '.github/workflows/sdk-platform-java-downstream_unmanaged_dependency_check.yaml'
-  validate:
-    needs: filter
-    if: ${{ needs.filter.outputs.library == 'true' }}
-    runs-on: ubuntu-22.04
-    strategy:
-      fail-fast: false
-      matrix:
-        repo:
-          - java-bigtable
-          - java-firestore
-          - java-pubsub
-    steps:
-      - name: Checkout sdk-platform-java
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
-        with:
-          path: google-cloud-java
-          persist-credentials: false
-      - name: Checkout the downstream repo
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
-        with:
-          repository: googleapis/${{ matrix.repo }}
-          path: ${{ matrix.repo }}
-          persist-credentials: false
-      - name: Check the environment
-        shell: bash
-        run: |
-          set -euxo pipefail
-          pwd
-          ls -alt
-      - uses: actions/setup-java@17f84c3641ba7b8f6deff6309fc4c864478f5d62 # v3.14.1
-        with:
-          java-version: 11
-          distribution: temurin
-          cache: maven
-      - name: Install the modules of sdk-platform-java
-        shell: bash
-        run: .kokoro/build.sh
-        env:
-          BUILD_SUBDIR: sdk-platform-java
-          JOB_TYPE: install
-        working-directory: google-cloud-java
-      - name: Build unmanaged dependency check
-        shell: bash
-        working-directory: google-cloud-java/sdk-platform-java/java-shared-dependencies/unmanaged-dependency-check
-        run: |
-          set -euo pipefail
-          pwd
-          echo "Install Unmanaged Dependency Check in $(pwd)"
-          mvn clean install -V --batch-mode --no-transfer-progress -DskipTests
-      - name: Install the modules of the downstream repository
-        shell: bash
-        working-directory: ${{ matrix.repo }}
-        run: |
-          # No argument to build.sh installs the modules in local Maven repository
-          .kokoro/build.sh
-      - name: Run unmanaged dependency check
-        shell: bash
-        run: |
-          set -euo pipefail
-          set -x
-          # java-bigtable has "-deps-bom" that declares its dependencies. It's not a good
-          # BOM to list the artifacts generated by that repository.
-          bom_dir=$(find ${{ matrix.repo }} -type d -name 'google-*-bom' ! -name '*-deps-bom')
-          bom_absolute_path=$(realpath "${bom_dir}/pom.xml")
-          cd google-cloud-java/sdk-platform-java/java-shared-dependencies/unmanaged-dependency-check
-          echo "Running Unmanaged Dependency Check against ${bom_absolute_path}"
-          unmanaged_dependencies=$(mvn exec:java -Dexec.args="../pom.xml ${bom_absolute_path}" -q)
-          if [[ "${unmanaged_dependencies}" != "[]" ]]; then
-            echo "With this change, the unmanaged dependencies check installed in ${{ matrix.repo }} will start to"
-            echo "fail due to ${unmanaged_dependencies}, among the artifacts listed in ${bom_absolute_path}."
-            exit 1
-          fi
-          echo "Unmanaged dependency check passed"
-  required:
-    needs: [ validate ]
-    name: conditional-required-check
-    if: ${{ always() }} # Always run even if any "needs" jobs fail
-    runs-on: ubuntu-22.04
-    steps:
-      - name: Fail if any previous failure
-        if: ${{ contains(needs.*.result, 'failure') }}
-        run: exit 1
-      - name: Success otherwise
-        run: echo "Success!"