diff --git a/.github/workflows/authorize-workflow-changes.yml b/.github/workflows/authorize-workflow-changes.yml
deleted file mode 100644
index 1c29f7a..0000000
--- a/.github/workflows/authorize-workflow-changes.yml
+++ /dev/null
@@ -1,2 +0,0 @@
-# Use Undo push github action for :
-## reject modifing workflow by members except technical team
diff --git a/.github/workflows/github-pages.yml b/.github/workflows/github-pages.yml
deleted file mode 100644
index e7cd0be..0000000
--- a/.github/workflows/github-pages.yml
+++ /dev/null
@@ -1,67 +0,0 @@
-name: Deploy Jekyll site to course Pages
-
-on:
-  # Runs on pushes targeting the default branch or when update-course triggered
-  push:
-    branches: ["main"]
-  repository_dispatch:
-    types: [update-course]
-  # Allows you to run this workflow manually from the Actions tab
-  workflow_dispatch:
-
-# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
-permissions:
-  contents: read
-  pages: write
-  id-token: write
-
-# Allow one concurrent deployment
-concurrency:
-  group: "pages"
-  cancel-in-progress: true
-
-jobs:
-  # Build job
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      # Prepare content
-      - name: Checkout
-        uses: actions/checkout@v3
-      - run: |
-          git clone --depth 1 -b main https://github.com/ceituut/ceituut.github.io.git
-          rm -d -f -r .github/
-          mkdir .github
-          mv -v ceituut.github.io/outer-pages/* .github/
-          chmod +x .github/prepare-content.sh
-          ./.github/prepare-content.sh
-        shell: bash
-      - name: Setup Ruby
-        uses: ruby/setup-ruby@0a29871fe2b0200a17a4497bae54fe5df0d973aa # v1.115.3
-        with:
-          ruby-version: '3.0' # Not needed with a .ruby-version file
-          bundler-cache: true # runs 'bundle install' and caches installed gems automatically
-          cache-version: 0 # Increment this number if you need to re-download cached gems
-      - name: Setup Pages
-        id: pages
-        uses: actions/configure-pages@v2
-      - name: Build with Jekyll
-        # Outputs to the './_site' directory by default
-        run: bundle exec jekyll build --baseurl "${{ steps.pages.outputs.base_path }}"
-        env:
-          JEKYLL_ENV: production
-      - name: Upload artifact
-        # Automatically uploads an artifact from the './_site' directory by default
-        uses: actions/upload-pages-artifact@v1
-
-  # Deployment job
-  deploy:
-    environment:
-      name: github-pages
-      url: ${{ steps.deployment.outputs.page_url }}
-    runs-on: ubuntu-latest
-    needs: build
-    steps:
-      - name: Deploy to GitHub Pages
-        id: deployment
-        uses: actions/deploy-pages@v1
\ No newline at end of file
diff --git a/.github/workflows/update-website.yml b/.github/workflows/update-website.yml
index 6a60280..5812d0b 100644
--- a/.github/workflows/update-website.yml
+++ b/.github/workflows/update-website.yml
@@ -4,7 +4,6 @@ on:
   push:
     branches: [ main ]
 
-
   workflow_dispatch:
 
 jobs:
diff --git a/.github/workflows/validate-content.yml b/.github/workflows/validate-content.yml
deleted file mode 100644
index 343529e..0000000
--- a/.github/workflows/validate-content.yml
+++ /dev/null
@@ -1,8 +0,0 @@
-### All content markdown files created with members will have 'draft' field;
-#### Draft markdowns will not take a part in build process;
-##### They should be validated by content team;
-###### By adding 'validated' instead of 'draft';
-
-# This workflow will check 'validated' markdown files to be commited by
-# content team.
-## for course repos this validation can be done with masters team also.
\ No newline at end of file