diff --git a/.cirrus.yml b/.cirrus.yml
deleted file mode 100644
index a0c8143..0000000
--- a/.cirrus.yml
+++ /dev/null
@@ -1,61 +0,0 @@
-only_if: $CIRRUS_TAG == '' && ($CIRRUS_PR != '' || $CIRRUS_BRANCH == 'master')
-auto_cancellation: $CIRRUS_BRANCH != 'master'
-env:
-  CARGO_INCREMENTAL: '0'
-  CARGO_NET_GIT_FETCH_WITH_CLI: 'true'
-  CARGO_NET_RETRY: '10'
-  CARGO_REGISTRIES_CRATES_IO_PROTOCOL: 'sparse'
-  CARGO_TERM_COLOR: always
-  RUST_BACKTRACE: '1'
-  RUSTDOCFLAGS: -D warnings
-  RUSTFLAGS: -D warnings
-  RUSTUP_MAX_RETRIES: '10'
-
-freebsd_task:
-  name: test ($TARGET)
-  freebsd_instance:
-    image_family: freebsd-12-4
-  matrix:
-    - env:
-        TARGET: x86_64-unknown-freebsd
-    - env:
-        TARGET: i686-unknown-freebsd
-  setup_script:
-    # https://github.com/cirruslabs/cirrus-ci-docs/issues/483
-    - sudo sysctl net.inet.tcp.blackhole=0
-    - pkg install -y git
-    - curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --profile minimal --default-toolchain stable --target $TARGET
-  test_script:
-    - . $HOME/.cargo/env
-    - cargo test --target $TARGET
-
-netbsd_task:
-  name: test ($TARGET)
-  compute_engine_instance:
-    image_project: pg-ci-images
-    # https://github.com/anarazel/pg-vm-images/blob/main/packer/netbsd.pkrvars.hcl
-    image: family/pg-ci-netbsd-vanilla-9-3
-    platform: netbsd
-  env:
-    TARGET: x86_64-unknown-netbsd
-  setup_script:
-    - pkgin -y install git
-    - curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --profile minimal --default-toolchain stable
-  test_script:
-    - . $HOME/.cargo/env
-    - cargo test
-
-openbsd_task:
-  name: test ($TARGET)
-  compute_engine_instance:
-    image_project: pg-ci-images
-    # https://github.com/anarazel/pg-vm-images/blob/main/packer/openbsd.pkrvars.hcl
-    image: family/pg-ci-openbsd-vanilla-7-2
-    platform: openbsd
-  env:
-    TARGET: x86_64-unknown-openbsd
-  setup_script:
-    # OpenBSD is tier 3 target, so install rust from package manager instead of rustup
-    - pkg_add git rust
-  test_script:
-    - cargo test
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0b6d03b..feec702 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,14 +31,16 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
-        rust: [nightly, beta, stable]
+        os: [ubuntu-latest]
+        rust: [stable]
     steps:
       - uses: actions/checkout@v4
       - name: Install Rust
         # --no-self-update is necessary because the windows environment cannot self-update rustup.exe.
         run: rustup update ${{ matrix.rust }} --no-self-update && rustup default ${{ matrix.rust }}
       - run: cargo build --all --all-features --all-targets
+      - run: sudo apt update && sudo apt install -y seatd && (seatd &) && ls /var/run
+        if: startsWith(matrix.os, 'ubuntu')
       - name: Run cargo check (without dev-dependencies to catch missing feature flags)
         if: startsWith(matrix.rust, 'nightly')
         run: cargo check -Z features=dev_dep
@@ -49,103 +51,5 @@ jobs:
 #      - name: Check selected Tier 3 targets
 #        if: startsWith(matrix.rust, 'nightly') && matrix.os == 'ubuntu-latest'
 #        run: cargo check -Z build-std --target=riscv32imc-esp-espidf
+      - run: sudo chown runner:runner /var/run/seatd.sock
       - run: cargo test
-
-  # Copied from: https://github.com/rust-lang/stacker/pull/19/files
-  windows_gnu:
-    runs-on: windows-latest
-    strategy:
-      matrix:
-        rust: [nightly]
-        target:
-          - x86_64-pc-windows-gnu
-    steps:
-      - uses: actions/checkout@v4
-      - name: Install Rust
-        # --no-self-update is necessary because the windows environment cannot self-update rustup.exe.
-        run: rustup update ${{ matrix.rust }} --no-self-update && rustup default ${{ matrix.rust }}
-      - run: rustup target add ${{ matrix.target }}
-      - run: cargo build --target ${{ matrix.target }} --all --all-features --all-targets
-      - run: cargo test --target ${{ matrix.target }}
-
-  cross:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-latest, macos-latest]
-    steps:
-    - uses: actions/checkout@v4
-    - name: Install Rust
-      run: rustup update stable
-    - name: Install cross
-      uses: taiki-e/install-action@cross
-    # We don't test BSDs, since we already test them in Cirrus.
-    - name: Android
-      if: startsWith(matrix.os, 'ubuntu')
-      run: cross test --target arm-linux-androideabi
-    - name: iOS
-      if: startsWith(matrix.os, 'macos')
-      run: |
-        rustup target add aarch64-apple-ios
-        cross build --target aarch64-apple-ios
-    - name: Linux x32
-      if: startsWith(matrix.os, 'ubuntu')
-      run: |
-        rustup target add x86_64-unknown-linux-gnux32
-        cross check --target x86_64-unknown-linux-gnux32
-    - name: Fuchsia
-      if: startsWith(matrix.os, 'ubuntu')
-      run: |
-        rustup target add x86_64-unknown-fuchsia
-        cargo build --target x86_64-unknown-fuchsia
-    - name: illumos
-      if: startsWith(matrix.os, 'ubuntu')
-      run: |
-        rustup target add x86_64-unknown-illumos
-        cargo build --target x86_64-unknown-illumos
-
-  msrv:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-latest, windows-latest]
-        # When updating this, the reminder to update the minimum supported
-        # Rust version in Cargo.toml.
-        rust: ['1.63']
-    steps:
-      - uses: actions/checkout@v4
-      - name: Install Rust
-        # --no-self-update is necessary because the windows environment cannot self-update rustup.exe.
-        run: rustup update ${{ matrix.rust }} --no-self-update && rustup default ${{ matrix.rust }}
-      - run: cargo build
-
-  clippy:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - name: Install Rust
-        run: rustup update stable
-      - run: cargo clippy --all-features --all-targets
-
-  fmt:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - name: Install Rust
-        run: rustup update stable
-      - run: cargo fmt --all --check
-
-  security_audit:
-    permissions:
-      checks: write
-      contents: read
-      issues: write
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      # https://github.com/rustsec/audit-check/issues/2
-      - uses: rustsec/audit-check@master
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/tests/async.rs b/tests/async.rs
index 9218e71..62860de 100644
--- a/tests/async.rs
+++ b/tests/async.rs
@@ -33,6 +33,17 @@ fn spawn<T: Send + 'static>(
     Box::pin(async move { r.recv().await.unwrap() })
 }
 
+#[cfg(target_os = "linux")]
+#[test]
+fn socket() {
+    future::block_on(async {
+        let _sock =
+            async_io::Async::<std::os::unix::net::UnixStream>::connect("/var/run/seatd.sock")
+                .await
+                .unwrap();
+    });
+}
+
 #[test]
 fn tcp_connect() -> io::Result<()> {
     future::block_on(async {