diff --git a/.github/workflows/build_and_test.yml b/.github/workflows/build_and_test.yml
index 421a05e5770..ae0477d8374 100644
--- a/.github/workflows/build_and_test.yml
+++ b/.github/workflows/build_and_test.yml
@@ -14,23 +14,16 @@ jobs:
     runs-on: ubuntu-latest
     container:
       image: openjdk:8-jdk
-    env:
-      _JAVA_OPTIONS: "-Xmx3G -Xms2G"
     defaults:
       run:
         working-directory: .
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Setup System Tools
         run: |
           apt update -y
           apt install -y gnupg2 curl
-      - name: Install Node.js
-        run: |
-          curl -fsSL https://deb.nodesource.com/setup_16.x | bash -
-          apt-get install -y nodejs
-      - name: Check Node.js version
-        run: node --version
+
       - name: Verify files
         run: |
           curl -sSL https://secchannel.rsk.co/SUPPORT.asc | gpg2 --import -
@@ -58,8 +51,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
 
       - name: Setup Java JDK
         uses: actions/setup-java@v3
@@ -67,9 +58,6 @@ jobs:
           java-version: '17'
           distribution: 'temurin'
 
-      - name: Verify Java installation
-        run: java -version
-
       - uses: actions/cache@v4
         name: Restore Gradle cache
         with:
@@ -81,21 +69,17 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-gradle-
 
-      - name: Get Gradle jar
-        run: |
-          if [ ! -f ./gradle/wrapper/gradle-wrapper.jar ]; then
-            ./configure.sh
-          fi
+#      - name: Get Gradle jar
+#        run: |
+#          if [ ! -f ./gradle/wrapper/gradle-wrapper.jar ]; then
+#            ./configure.sh
+#          fi
 
       - name: Run SonarQube analysis
         run: |
-          sudo apt-get update && sudo apt-get install -yqq git
           extra_flags=""
-          if [ -n "$CIRCLE_PULL_REQUEST" ]; then
-            # https://community.sonarsource.com/t/no-code-or-issue-found-in-pull-request-decorations-github-circleci/8496
+          if [[ "${{ github.event_name }}" == "pull_request" ]]; then
             git branch -f master origin/master
-            # extract PR number, as PR URLs are in the form
-            # https://github.com/$user/$repo/pull/$pr_number
             pr_number==${{ github.event.pull_request.number }}
             extra_flags="-Dsonar.pullrequest.base=master
               -Dsonar.pullrequest.branch=${{ github.head_ref }}
@@ -118,18 +102,12 @@ jobs:
       run:
         working-directory: .
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Setup System Tools
         run: |
           apt update -y
           apt install -y curl
-      - name: Install Node.js
-        run: |
-          curl -fsSL https://deb.nodesource.com/setup_16.x | bash -
-          apt-get install -y nodejs
-      - name: Check Node.js version
-        run: node --version
 
       - uses: actions/cache@v4
         name: Restore gradle cache
@@ -141,19 +119,17 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-gradle-
 
-      - name: Get Gradle jar
-        run: |
-          if [ ! -f ./gradle/wrapper/gradle-wrapper.jar ]; then
-            ./configure.sh
-          fi
+#      - name: Get Gradle jar
+#        run: |
+#          if [ ! -f ./gradle/wrapper/gradle-wrapper.jar ]; then
+#            ./configure.sh
+#          fi
 
       - name: Unit tests
         run: |
-          chmod +x ./gradlew
           ./gradlew --no-daemon --stacktrace test
       - name: Integration tests
         run: |
-          chmod +x ./gradlew
           ./gradlew --no-daemon --stacktrace integrationTest
 
       - name: Save test results
@@ -166,20 +142,20 @@ jobs:
     needs: build
     runs-on: ubuntu-latest
     services:
-        bitcoind1:
-            image: ghcr.io/rsksmart/rskj/mit_bitcoind1:latest
-            ports:
-            - 8331:8331
-            - 31591:31591
-            - 32591:32591
-            options: --name bitcoind1
-        bitcoind2:
-            image: ghcr.io/rsksmart/rskj/mit_bitcoind2:latest
-            ports:
-            - 8332:8332
-            - 31592:31592
-            - 32592:32592
-            options: --name bitcoind2
+      bitcoind1:
+        image: ghcr.io/rsksmart/rskj/mit_bitcoind1:latest
+        ports:
+          - 8331:8331
+          - 31591:31591
+          - 32591:32591
+        options: --name bitcoind1
+      bitcoind2:
+        image: ghcr.io/rsksmart/rskj/mit_bitcoind2:latest
+        ports:
+          - 8332:8332
+          - 31592:31592
+          - 32592:32592
+        options: --name bitcoind2
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -220,9 +196,6 @@ jobs:
           java-version: '17'
           distribution: 'temurin'
 
-      - name: Verify Java installation
-        run: java -version
-
       - uses: actions/cache@v4
         name: Restore gradle cache
         with:
@@ -233,13 +206,13 @@ jobs:
           key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
           restore-keys: |
             ${{ runner.os }}-gradle-
+#
+#      - name: Get Gradle jar
+#        run: |
+#          if [ ! -f ./gradle/wrapper/gradle-wrapper.jar ]; then
+#            ./configure.sh
+#          fi
 
-      - name: Get Gradle jar
-        run: |
-          if [ ! -f ./gradle/wrapper/gradle-wrapper.jar ]; then
-            ./configure.sh
-          fi
-          
       - name: Start RSKj and Run Tests
         working-directory: mining-integration-tests
         run: |
@@ -247,16 +220,12 @@ jobs:
             | cut -d = -f 2- | paste -sd - -)
           ls -la ../rskj-core/build/libs/rskj-core-"$version"-all.jar
           java -Drsk.conf.file=./rsk-integration-test.conf -cp ../rskj-core/build/libs/rskj-core-"$version"-all.jar co.rsk.Start --regtest & rskpid=$!
-          until nc -z 127.0.0.1 4444
-            do
-              echo "Waiting for RskJ..."
-              sleep 1
-            done
-            npm test
-            kill $rskpid
-
-      - name: Review test results
-        working-directory: mining-integration-tests
-        if: always()
-        run: |
-           cat ./Results/mocha/Test-Results.xml
+          export tries=0
+          export MAX_TRIES=10
+          until nc -z 127.0.0.1 4444 || [ $tries -eq $MAX_TRIES ]; do
+            echo "Waiting for RskJ..."
+            export tries=$((tries+1))
+            sleep 1
+          done
+          npm test
+          kill -9 $rskpid