diff --git a/.github/workflows/ports_unix.yml b/.github/workflows/ports_unix.yml
index ab5ecc9f82..9f5ec001ec 100644
--- a/.github/workflows/ports_unix.yml
+++ b/.github/workflows/ports_unix.yml
@@ -20,53 +20,6 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  minimal:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v4
-    - name: Build
-      run: source tools/ci.sh && ci_unix_minimal_build
-    - name: Run main test suite
-      run: source tools/ci.sh && ci_unix_minimal_run_tests
-    - name: Print failures
-      if: failure()
-      run: tests/run-tests.py --print-failures
-
-  reproducible:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v4
-    - name: Build with reproducible date
-      run: source tools/ci.sh && ci_unix_minimal_build
-      env:
-        SOURCE_DATE_EPOCH: 1234567890
-    - name: Check reproducible build date
-      run: echo | ports/unix/build-minimal/micropython -i | grep 'on 2009-02-13;'
-
-  standard:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v4
-    - name: Build
-      run: source tools/ci.sh && ci_unix_standard_build
-    - name: Run main test suite
-      run: source tools/ci.sh && ci_unix_standard_run_tests
-    - name: Print failures
-      if: failure()
-      run: tests/run-tests.py --print-failures
-
-  standard_v2:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v4
-    - name: Build
-      run: source tools/ci.sh && ci_unix_standard_v2_build
-    - name: Run main test suite
-      run: source tools/ci.sh && ci_unix_standard_v2_run_tests
-    - name: Print failures
-      if: failure()
-      run: tests/run-tests.py --print-failures
-
   coverage:
     runs-on: ubuntu-latest
     steps:
@@ -113,186 +66,3 @@ jobs:
     - name: Print failures
       if: failure()
       run: tests/run-tests.py --print-failures
-
-  nanbox:
-    runs-on: ubuntu-22.04 # use 22.04 to get python2, and libffi-dev:i386
-    steps:
-    - uses: actions/checkout@v4
-    - name: Install packages
-      run: source tools/ci.sh && ci_unix_32bit_setup
-    - name: Build
-      run: source tools/ci.sh && ci_unix_nanbox_build
-    - name: Run main test suite
-      run: source tools/ci.sh && ci_unix_nanbox_run_tests
-    - name: Print failures
-      if: failure()
-      run: tests/run-tests.py --print-failures
-
-  float:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v4
-    - name: Install packages
-      run: source tools/ci.sh && ci_unix_float_setup
-    - name: Build
-      run: source tools/ci.sh && ci_unix_float_build
-    - name: Run main test suite
-      run: source tools/ci.sh && ci_unix_float_run_tests
-    - name: Print failures
-      if: failure()
-      run: tests/run-tests.py --print-failures
-
-  stackless_clang:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v4
-    - name: Install packages
-      run: source tools/ci.sh && ci_unix_clang_setup
-    - name: Build
-      run: source tools/ci.sh && ci_unix_stackless_clang_build
-    - name: Run main test suite
-      run: source tools/ci.sh && ci_unix_stackless_clang_run_tests
-    - name: Print failures
-      if: failure()
-      run: tests/run-tests.py --print-failures
-
-  float_clang:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v4
-    - name: Install packages
-      run: source tools/ci.sh && ci_unix_clang_setup
-    - name: Build
-      run: source tools/ci.sh && ci_unix_float_clang_build
-    - name: Run main test suite
-      run: source tools/ci.sh && ci_unix_float_clang_run_tests
-    - name: Print failures
-      if: failure()
-      run: tests/run-tests.py --print-failures
-
-  settrace_stackless:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v4
-    - uses: actions/setup-python@v5
-      # Python 3.12 is the default for ubuntu-24.04, but that has compatibility issues with settrace tests.
-      # Can remove this step when ubuntu-latest uses a more recent Python 3.x as the default.
-      with:
-        python-version: '3.11'
-    - name: Build
-      run: source tools/ci.sh && ci_unix_settrace_stackless_build
-    - name: Run main test suite
-      run: source tools/ci.sh && ci_unix_settrace_stackless_run_tests
-    - name: Print failures
-      if: failure()
-      run: tests/run-tests.py --print-failures
-
-  macos:
-    runs-on: macos-latest
-    steps:
-    - uses: actions/checkout@v4
-    - uses: actions/setup-python@v5
-      with:
-        python-version: '3.8'
-    - name: Build
-      run: source tools/ci.sh && ci_unix_macos_build
-    - name: Run tests
-      run: source tools/ci.sh && ci_unix_macos_run_tests
-    - name: Print failures
-      if: failure()
-      run: tests/run-tests.py --print-failures
-
-  qemu_mips:
-    # ubuntu-22.04 is needed for older libffi.
-    runs-on: ubuntu-22.04
-    steps:
-    - uses: actions/checkout@v4
-    - name: Install packages
-      run: source tools/ci.sh && ci_unix_qemu_mips_setup
-    - name: Build
-      run: source tools/ci.sh && ci_unix_qemu_mips_build
-    - name: Run main test suite
-      run: source tools/ci.sh && ci_unix_qemu_mips_run_tests
-    - name: Print failures
-      if: failure()
-      run: tests/run-tests.py --print-failures
-
-  qemu_arm:
-    # ubuntu-22.04 is needed for older libffi.
-    runs-on: ubuntu-22.04
-    steps:
-    - uses: actions/checkout@v4
-    - name: Install packages
-      run: source tools/ci.sh && ci_unix_qemu_arm_setup
-    - name: Build
-      run: source tools/ci.sh && ci_unix_qemu_arm_build
-    - name: Run main test suite
-      run: source tools/ci.sh && ci_unix_qemu_arm_run_tests
-    - name: Print failures
-      if: failure()
-      run: tests/run-tests.py --print-failures
-
-  qemu_riscv64:
-    # ubuntu-22.04 is needed for older libffi.
-    runs-on: ubuntu-22.04
-    steps:
-    - uses: actions/checkout@v4
-    - name: Install packages
-      run: source tools/ci.sh && ci_unix_qemu_riscv64_setup
-    - name: Build
-      run: source tools/ci.sh && ci_unix_qemu_riscv64_build
-    - name: Run main test suite
-      run: source tools/ci.sh && ci_unix_qemu_riscv64_run_tests
-    - name: Print failures
-      if: failure()
-      run: tests/run-tests.py --print-failures
-
-  sanitize_address:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v4
-    - uses: actions/setup-python@v5
-      # Python 3.12 is the default for ubuntu-24.04, but that has compatibility issues with settrace tests.
-      # Can remove this step when ubuntu-latest uses a more recent Python 3.x as the default.
-      with:
-        python-version: '3.11'
-    - name: Install packages
-      run: source tools/ci.sh && ci_unix_coverage_setup
-    - name: Build
-      run: source tools/ci.sh && ci_unix_sanitize_address_build
-    - name: Run main test suite
-      run: source tools/ci.sh && ci_unix_sanitize_address_run_tests
-    - name: Test merging .mpy files
-      run: source tools/ci.sh && ci_unix_coverage_run_mpy_merge_tests
-    - name: Build native mpy modules
-      run: source tools/ci.sh && ci_native_mpy_modules_build
-    - name: Test importing .mpy generated by mpy_ld.py
-      run: source tools/ci.sh && ci_unix_coverage_run_native_mpy_tests
-    - name: Print failures
-      if: failure()
-      run: tests/run-tests.py --print-failures
-
-  sanitize_undefined:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v4
-    - uses: actions/setup-python@v5
-      # Python 3.12 is the default for ubuntu-24.04, but that has compatibility issues with settrace tests.
-      # Can remove this step when ubuntu-latest uses a more recent Python 3.x as the default.
-      with:
-        python-version: '3.11'
-    - name: Install packages
-      run: source tools/ci.sh && ci_unix_coverage_setup
-    - name: Build
-      run: source tools/ci.sh && ci_unix_sanitize_undefined_build
-    - name: Run main test suite
-      run: source tools/ci.sh && ci_unix_sanitize_undefined_run_tests
-    - name: Test merging .mpy files
-      run: source tools/ci.sh && ci_unix_coverage_run_mpy_merge_tests
-    - name: Build native mpy modules
-      run: source tools/ci.sh && ci_native_mpy_modules_build
-    - name: Test importing .mpy generated by mpy_ld.py
-      run: source tools/ci.sh && ci_unix_coverage_run_native_mpy_tests
-    - name: Print failures
-      if: failure()
-      run: tests/run-tests.py --print-failures