diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
deleted file mode 100644
index d22a4a19cc565..0000000000000
--- a/.github/workflows/main.yml
+++ /dev/null
@@ -1,86 +0,0 @@
-name: CI
-
-on:
-  pull_request:
-    types: [opened, synchronize, reopened]
-  push:
-    branches:
-      - main
-
-permissions:
-  contents: read # to fetch code (actions/checkout)
-
-jobs:
-  docker_linux_tier1:
-    name: Docker Linux Tier1
-    runs-on: ubuntu-22.04
-    strategy:
-      fail-fast: true
-      matrix:
-        target: [
-          i686-unknown-linux-gnu,
-          x86_64-unknown-linux-gnu,
-        ]
-    steps:
-      - uses: actions/checkout@v4
-      - name: Setup Rust toolchain
-        run: TARGET=${{ matrix.target }} sh ./ci/install-rust.sh
-      - name: Execute run-docker.sh
-        run: LIBC_CI=1 sh ./ci/run-docker.sh ${{ matrix.target }}
-
-  macos:
-    name: macOS
-    runs-on: macos-13
-    strategy:
-      fail-fast: true
-      matrix:
-        target: [
-          x86_64-apple-darwin,
-        ]
-    steps:
-      - uses: actions/checkout@v4
-      - name: Setup Rust toolchain
-        run: TARGET=${{ matrix.target }} sh ./ci/install-rust.sh
-      - name: Execute run.sh
-        run: LIBC_CI=1 sh ./ci/run.sh ${{ matrix.target }}
-
-  windows:
-    name: Windows
-    runs-on: windows-2022
-    env:
-      OS: windows
-    strategy:
-      fail-fast: true
-      matrix:
-        include:
-          - target: x86_64-pc-windows-gnu
-            env:
-              ARCH_BITS: 64
-              ARCH: x86_64
-          - target: x86_64-pc-windows-msvc
-          #- target: i686-pc-windows-gnu
-          #  env:
-          #    ARCH_BITS: 32
-          #    ARCH: i686
-          - target: i686-pc-windows-msvc
-    steps:
-      - uses: actions/checkout@v4
-      - name: Self-update rustup
-        run: rustup self update
-        shell: bash
-      - name: Setup Rust toolchain
-        run: TARGET=${{ matrix.target }} sh ./ci/install-rust.sh
-        shell: bash
-      - name: Execute run.sh
-        run: LIBC_CI=1 sh ./ci/run.sh ${{ matrix.target }}
-        shell: bash
-
-  style_check:
-    name: Style check
-    runs-on: ubuntu-22.04
-    steps:
-      - uses: actions/checkout@v4
-      - name: Setup Rust toolchain
-        run: sh ./ci/install-rust.sh
-      - name: Check style
-        run: sh ci/style.sh