diff --git a/.github/workflows/check-main-status-test.yml b/.github/workflows/check-main-status-test.yml
deleted file mode 100644
index f35cbf75..00000000
--- a/.github/workflows/check-main-status-test.yml
+++ /dev/null
@@ -1,23 +0,0 @@
-name: Check Main Status Tests
-
-on:
-  pull_request:
-
-jobs:
-  test:
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-
-      - name: Set up Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: 22
-
-      - name: Install jest
-        run: npm install jest@29.7.0
-
-      - name: Run tests
-        run: npx jest ./.github/workflows/lib/checkMain.test.js
diff --git a/.github/workflows/check-main-status.yml b/.github/workflows/check-main-status.yml
deleted file mode 100644
index 83361a03..00000000
--- a/.github/workflows/check-main-status.yml
+++ /dev/null
@@ -1,53 +0,0 @@
-name: Check Main Branch Status
-on:
-  pull_request:
-  merge_group:
-  workflow_dispatch:
-    inputs:
-      pr_number:
-        description: "Pull Request number"
-        required: true
-
-jobs:
-  check-main-status:
-    runs-on: ubuntu-24.04
-    env:
-      PR_NUMBER: ${{ github.event.number || github.event.inputs.pr_number }}
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          sparse-checkout: |
-            .github/workflows/lib/
-      - run: pwd
-      - run: ls -lap
-      - run: ls -lap .github/workflows/lib/
-      - uses: actions/github-script@v7
-        name: Check if PR has 'fix-ci' label
-        id: has_fix_ci_label
-        with:
-          retries: 3
-          script: |
-            const checkMain = require('./.github/workflows/lib/checkMain.js');
-
-            const result = await checkMain.hasFixCiLabel(github, context.repo.owner, context.repo.repo, process.env.PR_NUMBER);
-            console.log(`Has 'fix-ci' label: ${result}`);
-
-            return result;
-
-      - uses: actions/github-script@v7
-        name: Ensure Main Branch Check Runs Are Successful
-        if: ${{ steps.has_fix_ci_label.outputs.result == 'false' }}
-        with:
-          retries: 3
-          script: |
-            const checkMain = require('./.github/workflows/lib/checkMain.js');
-
-            function delay(ms) {
-              return new Promise(resolve => setTimeout(resolve, ms));
-            }
-
-            try {
-              await checkMain.ensureChecksRunsSuccessful(delay, github, context.repo.owner, context.repo.repo);
-            } catch (error) {
-              core.setFailed(error.message);
-            }
diff --git a/.github/workflows/dfu_check.yml b/.github/workflows/dfu_check.yml
index 864656f7..18e415fa 100644
--- a/.github/workflows/dfu_check.yml
+++ b/.github/workflows/dfu_check.yml
@@ -2,7 +2,6 @@ name: DFU image compatibility check
 
 on:
   workflow_call:
-  merge_group:
   push:
     branches:
       - main
diff --git a/.github/workflows/jest.config.js b/.github/workflows/jest.config.js
deleted file mode 100644
index a75075f4..00000000
--- a/.github/workflows/jest.config.js
+++ /dev/null
@@ -1,10 +0,0 @@
-// jest.config.js
-module.exports = {
-  transform: {
-    "^.+\\.[t|j]sx?$": "babel-jest",
-  },
-  transformIgnorePatterns: [
-    "/node_modules/(?!(@octokit)/)"
-  ],
-};
-
diff --git a/.github/workflows/lib/checkMain.js b/.github/workflows/lib/checkMain.js
deleted file mode 100644
index a6891e38..00000000
--- a/.github/workflows/lib/checkMain.js
+++ /dev/null
@@ -1,59 +0,0 @@
-module.exports = {
-  async hasFixCiLabel(octokit, owner, repo, prNumber) {
-    const labels = await octokit.rest.issues.listLabelsOnIssue({
-      owner,
-      repo,
-      issue_number: prNumber,
-    });
-
-    return labels.data.map(label => label.name).includes('fix-ci');
-  },
-
-  async ensureChecksRunsSuccessful(delay, octokit, owner, repo) {
-    let retryPending = 12; // Retry for up to 1 hour (12 retries with 5 minutes interval)
-
-    while (retryPending > 0) {
-      const mainRef = await octokit.rest.git.getRef({
-        owner,
-        repo,
-        ref: 'heads/main',
-      });
-
-      const mainSha = mainRef.data.object.sha;
-      console.log(`Main branch SHA: ${mainSha}`);
-
-      let checkRuns = await octokit.rest.checks.listForRef({
-        owner,
-        repo,
-        ref: mainSha,
-      });
-
-      console.log(`Check runs (${checkRuns.data.total_count}):`);
-      for (let run of checkRuns.data.check_runs) {
-        console.log(`- ${run.name} ${run.html_url}`);
-        console.log(`\tstatus: ${run.status}`);
-        console.log(`\tconclusion: ${run.conclusion}`);
-      }
-
-      const failedChecks = checkRuns.data.check_runs.filter(run => run.conclusion !== null && run.conclusion !== 'success');
-      const pendingChecks = checkRuns.data.check_runs.filter(run => run.status !== 'completed');
-
-      if (failedChecks.length > 0) {
-        throw new Error('The main branch has failing checks.');
-      } else if (pendingChecks.length === 0) {
-        console.log('Main branch is healthy.');
-        break;
-      } else {
-        console.log('Checks are still pending.');
-
-        retryPending--;
-        if (retryPending === 0) {
-          throw new Error('Timeout waiting for pending checks on main branch.');
-        }
-
-        console.log('Waiting for 5 minutes before retrying...');
-        await delay(5 * 60 * 1000); // Wait for 5 minutes
-      }
-    }
-  },
-};
diff --git a/.github/workflows/lib/checkMain.test.js b/.github/workflows/lib/checkMain.test.js
deleted file mode 100644
index 3bbf66c3..00000000
--- a/.github/workflows/lib/checkMain.test.js
+++ /dev/null
@@ -1,144 +0,0 @@
-const { hasFixCiLabel, ensureChecksRunsSuccessful } = require('./checkMain');
-
-// define class Octokit without depending on the original Octokit package. only the methods used in the test are defined.
-class Octokit {
-  constructor() {
-    this.rest = {
-      issues: {
-        listLabelsOnIssue: jest.fn()
-      },
-      checks: {
-        listForRef: jest.fn()
-      },
-      git: {
-        getRef: jest.fn()
-      }
-    };
-  }
-}
-
-function delay(ms) {
-  return new Promise(resolve => resolve());
-}
-
-describe('check-main-status', () => {
-  let octokit;
-  const owner = 'test-owner';
-  const repo = 'test-repo';
-  const prNumber = 1;
-  const mainSha = 'test-sha';
-
-  beforeEach(() => {
-    octokit = new Octokit();
-    octokit.rest.git.getRef.mockResolvedValue({
-      data: { object: { sha: mainSha } }
-    });
-  });
-
-  describe('hasFixCiLabel', () => {
-    it('should return true if the PR has the fix-ci label', async () => {
-      octokit.rest.issues.listLabelsOnIssue.mockResolvedValue({
-        data: [{ name: 'fix-ci' }]
-      });
-
-      const result = await hasFixCiLabel(octokit, owner, repo, prNumber);
-      expect(result).toBe(true);
-    });
-
-    it('should return false if the PR does not have the fix-ci label', async () => {
-      octokit.rest.issues.listLabelsOnIssue.mockResolvedValue({
-        data: [{ name: 'other-label' }]
-      });
-
-      const result = await hasFixCiLabel(octokit, owner, repo, prNumber);
-      expect(result).toBe(false);
-    });
-  });
-
-  describe('ensureChecksRunsSuccessful', () => {
-    beforeEach(() => {
-      //octokit = new Octokit();
-      octokit.rest.git.getRef.mockResolvedValue({
-        data: { object: { sha: mainSha } }
-      });
-    });
-
-    it('should not throw an error if all checks are successful', async () => {
-      octokit.rest.checks.listForRef.mockResolvedValue({
-        data: {
-          total_count: 1,
-          check_runs: [{ name: 'test-check', status: 'completed', conclusion: 'success' }]
-        }
-      });
-
-      await expect(ensureChecksRunsSuccessful(delay, octokit, owner, repo, mainSha)).resolves.not.toThrow();
-    });
-
-    it('should throw an error if there are failing checks', async () => {
-      octokit.rest.checks.listForRef.mockResolvedValue({
-        data: {
-          total_count: 1,
-          check_runs: [{ name: 'test-check', status: 'completed', conclusion: 'failure' }]
-        }
-      });
-
-      await expect(ensureChecksRunsSuccessful(delay, octokit, owner, repo, mainSha)).rejects.toThrow('The main branch has failing checks.');
-    });
-
-    it('should throw an error if checks are still pending after 12 retries', async () => {
-      octokit.rest.checks.listForRef.mockResolvedValue({
-        data: {
-          total_count: 1,
-          check_runs: [{ name: 'test-check', status: 'in_progress', conclusion: null }]
-        }
-      });
-
-      await expect(ensureChecksRunsSuccessful(delay, octokit, owner, repo, mainSha)).rejects.toThrow('Timeout waiting for pending checks on main branch.');
-      expect(octokit.rest.checks.listForRef).toHaveBeenCalledTimes(12);
-    });
-
-    it('should not throw an error if checks are successfull after pending 1 time', async () => {
-      const pendingResponse = {
-        data: {
-          total_count: 1,
-          check_runs: [{ name: 'test-check', status: 'in_progress', conclusion: null }]
-        }
-      };
-      const successResponse = {
-        data: {
-          total_count: 1,
-          check_runs: [{ name: 'test-check', status: 'completed', conclusion: 'success' }]
-        }
-      };
-
-      octokit.rest.checks.listForRef
-        .mockResolvedValueOnce(pendingResponse)
-        .mockResolvedValueOnce(successResponse);
-
-      await expect(ensureChecksRunsSuccessful(delay, octokit, owner, repo, mainSha)).resolves.not.toThrow();
-      expect(octokit.rest.checks.listForRef).toHaveBeenCalledTimes(2);
-    });
-
-    it('should throw an error if there are failing checks after pending 1 time', async () => {
-      const pendingResponse = {
-        data: {
-          total_count: 1,
-          check_runs: [{ name: 'test-check', status: 'in_progress', conclusion: null }]
-        }
-      };
-      const failureResponse = {
-        data: {
-          total_count: 1,
-          check_runs: [{ name: 'test-check', status: 'completed', conclusion: 'failure' }]
-        }
-      };
-
-      octokit.rest.checks.listForRef
-        .mockResolvedValueOnce(pendingResponse)
-        .mockResolvedValueOnce(failureResponse);
-
-      await expect(ensureChecksRunsSuccessful(delay, octokit, owner, repo, mainSha)).rejects.toThrow('The main branch has failing checks.');
-      expect(octokit.rest.checks.listForRef).toHaveBeenCalledTimes(2);
-    });
-  });
-});