diff --git a/.github/dependabot.yml b/.github/dependabot.yml
deleted file mode 100644
index ea7ab958ac..0000000000
--- a/.github/dependabot.yml
+++ /dev/null
@@ -1,15 +0,0 @@
-# To get started with Dependabot version updates, you'll need to specify which
-# package ecosystems to update and where the package manifests are located.
-# Please see the documentation for all configuration options:
-# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
-
-version: 2
-updates:
-  - package-ecosystem: "maven" # See documentation for possible values
-    directory: "/" # Location of package manifests
-    schedule:
-      interval: "daily"
-  - package-ecosystem: "github-actions" # See documentation for possible values
-    directory: "/" # Location of package manifests
-    schedule:
-      interval: "daily"
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
deleted file mode 100644
index 6169b7de27..0000000000
--- a/.github/workflows/linux.yml
+++ /dev/null
@@ -1,67 +0,0 @@
-name: Linux GitHub CI
-
-on: [pull_request,push,workflow_dispatch]
-
-env:
-  MAVEN_OPTS: -Dmaven.wagon.httpconnectionManager.ttlSeconds=25 -Dmaven.wagon.http.retryHandler.count=3 -Xmx512m -Dorg.slf4j.simpleLogger.showDateTime=true -Dorg.slf4j.simpleLogger.dateTimeFormat=HH:mm:ss,SSS
-  TAKARI_SMART_BUILDER_VERSION: 0.6.1
-
-jobs:
-  build:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        include:
-          - os: ubuntu-22.04
-            jdk: 8
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        # 500 commits, set to 0 to get all
-        fetch-depth: 500
-        submodules: 'recursive'
-        show-progress: 'false'
-    - name: Set up JDK
-      uses: actions/setup-java@v3.12.0
-      with:
-        distribution: 'temurin'
-        java-version: ${{ matrix.jdk }}
-        cache: 'maven'
-    - name: Build with Maven
-      run: mvn -B -V install -DskipTests=true -Dmaven.javadoc.skip=true
-    - name: Remove SNAPSHOT jars from repository
-      run: |
-        find ~/.m2/repository -name "*SNAPSHOT*" -type d | xargs rm -rf {}
-    - name: Remove Schema 3.8 jars from repository
-      run: |
-        find ~/.m2/repository -name "*3.8*" -type d | xargs rm -rf {}
-
-  QA:
-    runs-on: ubuntu-22.04
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        # 500 commits, set to 0 to get all
-        fetch-depth: 500
-        submodules: 'recursive'
-        show-progress: 'false'
-    - name: Set up JDK
-      uses: actions/setup-java@v3.12.0
-      with:
-        distribution: 'temurin'
-        java-version: 8
-        cache: 'maven'
-    - name: Set up Maven
-      uses: stCarolas/setup-maven@v4
-      with:
-        maven-version: 3.6.3
-    - name: Test with maven
-      run: |
-        mvn resources:resources@copy-index-schema-to-source -f web
-        mvn -B -V -fae verify -Pit
-    - name: Remove SNAPSHOT jars from repository
-      run: |
-        find ~/.m2/repository -name "*SNAPSHOT*" -type d | xargs rm -rf {}
-    - name: Remove Schema 3.8 jars from repository
-      run: |
-        find ~/.m2/repository -name "*3.8*" -type d | xargs rm -rf {}
diff --git a/.github/workflows/mvn-dep-tree.yml b/.github/workflows/mvn-dep-tree.yml
deleted file mode 100644
index 615c988543..0000000000
--- a/.github/workflows/mvn-dep-tree.yml
+++ /dev/null
@@ -1,33 +0,0 @@
-# This job sends the maven dependency tree of the project to Github
-# for further security analysis.
-
-name: "MavenDepTreeSubmission"
-
-on:
-  push:
-    branches: [ 4.2.x ]
-  schedule:
-    - cron: '44 22 * * 5'
-
-jobs:
-  update-maven-dep-tree:
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-        with:
-          show-progress: 'false'
-
-      - name: Setup Java JDK
-        uses: actions/setup-java@v3.12.0
-        with:
-          java-version: 8
-          # Java distribution. See the list of supported distributions in README file
-          distribution: temurin
-          # The package type (jdk, jre, jdk+fx, jre+fx)
-          java-package: jdk
-          cache: maven
-
-      - name: Submit Dependency Snapshot
-        uses: advanced-security/maven-dependency-submission-action@v3
diff --git a/.github/workflows/sonarcloud.yml b/.github/workflows/sonarcloud.yml
deleted file mode 100644
index ec28ac64e2..0000000000
--- a/.github/workflows/sonarcloud.yml
+++ /dev/null
@@ -1,49 +0,0 @@
-name: SonarCloud QA
-on:
-  push:
-    branches:
-      - 4.2.x
-  pull_request:
-    types: [opened, synchronize, reopened]
-jobs:
-  build:
-    name: Build
-    runs-on: ubuntu-latest
-    # Only analyze with Sonar on non-fork repos:
-    # https://github.community/t/how-to-detect-a-pull-request-from-a-fork/18363/4
-    if: github.event.pull_request.head.repo.fork != true
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
-          submodules: 'recursive'
-          show-progress: 'false'
-      # For building GeoNetwork, JDK8 is necessary, but for running
-      # the SonarQube plugin, JDK11 is necessary.
-      # So, first install JDK 8, build GeoNetwork, then install JDK11
-      # and run SonarQube:
-      - name: Set up JDK 8
-        uses: actions/setup-java@v3.12.0
-        with:
-          java-version: 8
-          distribution: 'temurin'
-          cache: 'maven'
-      - name: Cache SonarCloud packages
-        uses: actions/cache@v3
-        with:
-          path: ~/.sonar/cache
-          key: ${{ runner.os }}-sonar
-          restore-keys: ${{ runner.os }}-sonar
-      - name: Build GN
-        run: mvn -B package -DskipTests
-      - name: Set up JDK 11
-        uses: actions/setup-java@v3.12.0
-        with:
-          distribution: 'temurin'
-          java-version: '11'
-      - name: Analyze with Sonar
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  # Needed to get PR information, if any
-          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
-        #TODO: Enable tests, if reliable:
-        run: mvn -B org.sonarsource.scanner.maven:sonar-maven-plugin:sonar -Dsonar.projectKey=geonetwork_core-geonetwork -Dsonar.organization=geonetwork -DskipTests=true -Dmaven.javadoc.skip=true