diff --git a/.github/workflows/actions.yml b/.github/workflows/actions.yml
deleted file mode 100644
index bf8c6ee9c..000000000
--- a/.github/workflows/actions.yml
+++ /dev/null
@@ -1,28 +0,0 @@
-name: CI
-
-on:
-  push:
-    branches: [ main, feat/* ]
-  pull_request:
-    branches: [ main, feat/* ]
-
-permissions:
-  actions: write
-  checks: write
-  contents: write
-  id-token: write
-  issues: write
-  discussions: write
-  pull-requests: write
-  statuses: write
-
-jobs:
-  contracts:
-    name: Contracts
-    uses: ElrondNetwork/elrond-actions/.github/workflows/contracts.yml@v1
-    with:
-      rust-toolchain: nightly-2022-10-16
-      vmtools-version: v1.4.60
-      extra-build-args: --ignore-eei-checks
-    secrets:
-      token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/on_pull_request_build_contracts.yml b/.github/workflows/on_pull_request_build_contracts.yml
new file mode 100644
index 000000000..32ddf4c4f
--- /dev/null
+++ b/.github/workflows/on_pull_request_build_contracts.yml
@@ -0,0 +1,15 @@
+name: On pull request, build contracts
+
+on:
+  pull_request:
+
+permissions:
+  contents: write
+
+jobs:
+  build:
+    uses: multiversx/mx-sc-actions/.github/workflows/reproducible-build.yml@v2.3.4
+    with:
+      image_tag: v4.2.1
+      package_whole_project_src: true
+      skip_preliminary_checks: true
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
deleted file mode 100644
index 34e0c6e32..000000000
--- a/.github/workflows/release.yml
+++ /dev/null
@@ -1,81 +0,0 @@
-name: Create release
-
-on:
-  workflow_dispatch:
-    inputs:
-      tag:
-        required: true
-        description: Release tag
-      title:
-        required: true
-        description: Release title
-      image_tag:
-        type: choice
-        required: true
-        description: Image elrondnetwork/build-contract-rust
-        options:
-        - v3.1.0
-
-permissions:
-  contents: write
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-        with:
-          ref: ${{ env.GITHUB_REF_NAME }}
-          fetch-depth: 0
-          repository: ${{ env.GITHUB_REPOSITORY }}
-
-      - name: Download build script
-        run: |
-          wget https://raw.githubusercontent.com/ElrondNetwork/elrond-sdk-images-build-contract-rust/${{ github.event.inputs.image_tag }}/build_with_docker.py
-
-      - name: Build contract
-        run: |
-          python3 ./build_with_docker.py --no-docker-tty --image=elrondnetwork/build-contract-rust:${{ github.event.inputs.image_tag }} --project=. --output=/home/runner/work/output-from-docker
-
-      - name: Save artifacts
-        uses: actions/upload-artifact@v2
-        with:
-          name: built-contracts
-          path: |
-            /home/runner/work/output-from-docker/**/*.wasm
-            /home/runner/work/output-from-docker/**/*.abi.json
-          if-no-files-found: error
-
-  release:
-    needs: [build]
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check out code
-        uses: actions/checkout@v2
-        with:
-          fetch-depth: "0"
-
-      - name: Download all workflow artifacts
-        uses: actions/download-artifact@v2
-        with:
-          path: assets
-
-      - name: Create release
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: |
-          echo "Built using Docker image: **elrondnetwork/build-contract-rust:${{ github.event.inputs.image_tag }}**." >> notes.txt
-          echo "" >> notes.txt
-          echo "## Codehash (blake2b):" >> notes.txt
-          echo "" >> notes.txt
-
-          for i in $(find ./assets -type f -name *.wasm); do
-            filename=$(basename ${i})
-            checksum=($(b2sum -l 256 ${i}))
-            echo " - **${filename}**: \`${checksum}\`" >> notes.txt
-          done
-
-          gh release create ${{ github.event.inputs.tag }} --target=$GITHUB_SHA --prerelease --title="${{ github.event.inputs.title }}" --generate-notes --notes-file=notes.txt
-          sleep 10
-          gh release upload ${{ github.event.inputs.tag }} $(find ./assets -type f)
diff --git a/.gitignore b/.gitignore
index c69171b0a..2274e755a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,9 +2,6 @@
 # will have compiled files and executables
 **/target/
 **/output/
-# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
-# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
-Cargo.lock
 
 # These are backup files generated by rustfmt
 **/*.rs.bk
diff --git a/energy-integration/governance-v2/elrond.json b/energy-integration/governance-v2/multiversx.json
similarity index 100%
rename from energy-integration/governance-v2/elrond.json
rename to energy-integration/governance-v2/multiversx.json