diff --git a/.github/workflows/continuous-integration-workflow-2.3.x.yml b/.github/workflows/continuous-integration-workflow-2.3.x.yml
deleted file mode 100644
index a8b3b41b..00000000
--- a/.github/workflows/continuous-integration-workflow-2.3.x.yml
+++ /dev/null
@@ -1,96 +0,0 @@
-name: 2.3.x CI
-
-on:
-  push:
-    branches:
-      - 2.3.x
-  schedule:
-    - cron: '0 10 * * *' # Once per day at 10am UTC
-  workflow_dispatch: # Manual trigger
-
-env:
-  GRADLE_ENTERPRISE_CACHE_USER: ${{ secrets.GRADLE_ENTERPRISE_CACHE_USER }}
-  GRADLE_ENTERPRISE_CACHE_PASSWORD: ${{ secrets.GRADLE_ENTERPRISE_CACHE_PASSWORD }}
-  GRADLE_ENTERPRISE_SECRET_ACCESS_KEY: ${{ secrets.GRADLE_ENTERPRISE_SECRET_ACCESS_KEY }}
-  ARTIFACTORY_USERNAME: ${{ secrets.ARTIFACTORY_USERNAME }}
-  ARTIFACTORY_PASSWORD: ${{ secrets.ARTIFACTORY_PASSWORD }}
-
-jobs:
-  build:
-    name: Build
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        jdk: [8, 11]
-      fail-fast: false
-    steps:
-      - uses: actions/checkout@v2
-        with:
-          ref: '2.3.x'
-      - name: Set up JDK ${{ matrix.jdk }}
-        uses: actions/setup-java@v1
-        with:
-          java-version: ${{ matrix.jdk }}
-      - name: Cache Gradle packages
-        uses: actions/cache@v2
-        with:
-          path: ~/.gradle/caches
-          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
-      - name: Build with Gradle
-
-        run: |
-          export GRADLE_ENTERPRISE_CACHE_USERNAME="$GRADLE_ENTERPRISE_CACHE_USER"
-          export GRADLE_ENTERPRISE_CACHE_PASSWORD="$GRADLE_ENTERPRISE_CACHE_PASSWORD"
-          export GRADLE_ENTERPRISE_ACCESS_KEY="$GRADLE_ENTERPRISE_SECRET_ACCESS_KEY"
-          ./gradlew clean build -PartifactoryUsername="$ARTIFACTORY_USERNAME" -PartifactoryPassword="$ARTIFACTORY_PASSWORD" --no-daemon --stacktrace
-  artifacts:
-    name: Deploy Artifacts
-    needs: [build]
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-        with:
-          ref: '2.3.x'
-      - name: Set up JDK
-        uses: actions/setup-java@v1
-        with:
-          java-version: '8'
-      - name: Deploy artifacts
-        run: |
-          export GRADLE_ENTERPRISE_CACHE_USERNAME="$GRADLE_ENTERPRISE_CACHE_USER"
-          export GRADLE_ENTERPRISE_CACHE_PASSWORD="$GRADLE_ENTERPRISE_CACHE_PASSWORD"
-          export GRADLE_ENTERPRISE_ACCESS_KEY="$GRADLE_ENTERPRISE_SECRET_ACCESS_KEY"
-          export VERSION_HEADER=$'Version: GnuPG v2\n\n'
-          export ORG_GRADLE_PROJECT_signingKey=${GPG_PRIVATE_KEY#"$VERSION_HEADER"}
-          export ORG_GRADLE_PROJECT_signingPassword="$GPG_PASSPHRASE"
-          ./gradlew deployArtifacts -PossrhUsername="$OSSRH_TOKEN_USERNAME" -PossrhPassword="$OSSRH_TOKEN_PASSWORD" -PartifactoryUsername="$ARTIFACTORY_USERNAME" -PartifactoryPassword="$ARTIFACTORY_PASSWORD" --stacktrace --no-parallel
-          ./gradlew finalizeDeployArtifacts -PossrhUsername="$OSSRH_TOKEN_USERNAME" -PossrhPassword="$OSSRH_TOKEN_PASSWORD" -PartifactoryUsername="$ARTIFACTORY_USERNAME" -PartifactoryPassword="$ARTIFACTORY_PASSWORD" --stacktrace --no-parallel
-        env:
-          GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
-          GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
-          OSSRH_TOKEN_USERNAME: ${{ secrets.OSSRH_TOKEN_USERNAME }}
-          OSSRH_TOKEN_PASSWORD: ${{ secrets.OSSRH_TOKEN_PASSWORD }}
-          ARTIFACTORY_USERNAME: ${{ secrets.ARTIFACTORY_USERNAME }}
-          ARTIFACTORY_PASSWORD: ${{ secrets.ARTIFACTORY_PASSWORD }}
-  docs:
-    name: Deploy Docs
-    needs: [build]
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-        with:
-          ref: '2.3.x'
-      - name: Set up JDK
-        uses: actions/setup-java@v1
-        with:
-          java-version: '8'
-      - name: Deploy Docs
-        run: |
-          export GRADLE_ENTERPRISE_CACHE_USERNAME="$GRADLE_ENTERPRISE_CACHE_USER"
-          export GRADLE_ENTERPRISE_CACHE_PASSWORD="$GRADLE_ENTERPRISE_CACHE_PASSWORD"
-          export GRADLE_ENTERPRISE_ACCESS_KEY="$GRADLE_ENTERPRISE_SECRET_ACCESS_KEY"
-          ./gradlew deployDocs --no-daemon -PdeployDocsSshKey="$DOCS_SSH_KEY" -PdeployDocsSshUsername="$DOCS_USERNAME" -PdeployDocsHost="$DOCS_HOST" --stacktrace
-        env:
-          DOCS_USERNAME: ${{ secrets.DOCS_USERNAME }}
-          DOCS_SSH_KEY: ${{ secrets.DOCS_SSH_KEY }}
-          DOCS_HOST: ${{ secrets.DOCS_HOST }}