diff --git a/.github/workflows/collator-selection.yml b/.github/workflows/collator-selection.yml
index 96f295ed1e..5d97a55c0b 100644
--- a/.github/workflows/collator-selection.yml
+++ b/.github/workflows/collator-selection.yml
@@ -13,74 +13,14 @@ env:
 
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
-
-  prepare-execution-marix:
-    name: Prepare execution matrix
-    runs-on: [self-hosted]
-    outputs:
-      matrix: ${{ steps.create_matrix.outputs.matrix }}
-
-    steps:
-      - name: Clean Workspace
-        uses: AutoModality/action-clean@v1.1.0
-
-      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v3.1.0
-        with:
-          ref: ${{ github.head_ref }}  #Checking out head commit
-
-      - name: Read .env file
-        uses: xom9ikk/dotenv@v2
-
-      - name: Create Execution matrix
-        uses: CertainLach/create-matrix-action@v4
-        id: create_matrix
-        with:
-          matrix: |
-            network {opal}, relay_branch {${{ env.UNIQUEWEST_MAINNET_BRANCH }}}
-            network {quartz}, relay_branch {${{ env.KUSAMA_MAINNET_BRANCH }}}
-
   collator-selection:
-    needs: prepare-execution-marix
     # The type of runner that the job will run on
     runs-on: [self-hosted]
-
-    timeout-minutes: 1380
-
-    name: ${{ matrix.network }}
-
     continue-on-error: true         #Do not stop testing of matrix runs failed.  As it decided during PR review - it required 50/50& Let's check it with false.
-
-    strategy:
-      matrix:
-        include: ${{fromJson(needs.prepare-execution-marix.outputs.matrix)}}
-
     steps:
-      - name: Skip if pull request is in Draft
-        if: github.event.pull_request.draft == true
-        run: exit 1
-
       - name: Clean Workspace
         uses: AutoModality/action-clean@v1.1.0
 
-      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v3.1.0
-        with:
-          ref: ${{ github.head_ref }}  #Checking out head commit
-
-      # Prepare SHA
-      - name: Prepare SHA
-        uses: ./.github/actions/prepare
-
-      - name: Read .env file
-        uses: xom9ikk/dotenv@v2
-
-      - name: Log in to Docker Hub
-        uses: docker/login-action@v3.2.0
-        with:
-          username: ${{ secrets.CORE_DOCKERHUB_USERNAME }}
-          password: ${{ secrets.CORE_DOCKERHUB_TOKEN }}
-
       - name: Check and pull polkadot image
         id: polkadot
         uses: cloudposse/github-action-docker-image-exists@main
@@ -92,15 +32,6 @@ jobs:
           password: ${{ secrets.CORE_DOCKERHUB_TOKEN }}
           tag: ${{ matrix.relay_branch }}
 
-      - name: Clean Workspace
-        if: always()
-        uses: AutoModality/action-clean@v1.1.0
-
-      - name: Remove builder cache
-        if: always()
-        run: |
-          docker system prune -a -f
-
   outputs:
     result: ${{ steps.polkadot.outputs.exists }}
     result_conclusion: ${{ steps.polkadot.outputs.conclusion }}