diff --git a/.github/scripts/tests/published-channels-test.rb b/.github/scripts/tests/published-channels-test.rb
deleted file mode 100644
index de266a82d..000000000
--- a/.github/scripts/tests/published-channels-test.rb
+++ /dev/null
@@ -1,115 +0,0 @@
-require 'tmpdir'
-require_relative '../published-channels'
-
-# 测试只替换 GitHub 读写边界，执行真实的发布状态转换
-class PublishedChannelsTest
-  def assert_equal(expected, actual)
-    raise "expected #{expected.inspect}, got #{actual.inspect}" unless expected == actual
-  end
-
-  def assert_rejected
-    yield
-  rescue RuntimeError
-    return
-  else
-    raise 'expected publication to be rejected'
-  end
-
-  def initialize
-    @pointer = nil
-    @releases = {}
-    @files = {}
-    @calls = []
-    @platforms = [{ 'os' => 'linux', 'arch' => 'amd64', 'archive' => 'tar.gz' }]
-  end
-
-  def api(endpoint, method: 'GET', data: nil, optional: false)
-    path = endpoint.delete_prefix('repos/test/repo/')
-    @calls << [method, path]
-    case [method, path]
-    when ['GET', 'releases/tags/update-index'] then @pointer
-    when ['POST', 'releases']
-      raise 'duplicate pointer' if @pointer
-      @pointer = data.transform_keys(&:to_s).merge('id' => 12, 'draft' => false)
-    when ['PATCH', 'releases/12']
-      @pointer.merge!(data.transform_keys(&:to_s))
-    when ['GET', 'releases/latest'] then @releases['3.41.2']
-    else
-      return @releases[path.delete_prefix('releases/tags/v')] if method == 'GET' && path.start_with?('releases/tags/v')
-      return { 'content' => Base64.encode64(YAML.dump({ 'platforms' => @platforms })) } if path.start_with?('contents/release/platforms.yaml?ref=v')
-      raise "unexpected #{method} #{path}"
-    end
-  end
-
-  def publish_assets(version, content = nil)
-    names = %w[checksums.txt compose.yaml config.example.yaml plugin-release-manifest.json]
-    names << ReleaseMetadata.archive_name(version, @platforms.first)
-    @files[version] = content if content
-    assets = names.map { |name| { 'name' => name, 'size' => 100, 'state' => 'uploaded' } }
-    assets << { 'name' => 'version.yaml', 'size' => content.bytesize, 'digest' => "sha256:#{Digest::SHA256.hexdigest(content)}", 'state' => 'uploaded' } if content
-    @releases[version] = { 'tag_name' => "v#{version}", 'draft' => false, 'prerelease' => ReleaseMetadata.prerelease?(version), 'assets' => assets }
-  end
-
-  def publisher
-    github = self
-    files = @files
-    Class.new(PublishedChannels::Publisher) do
-      define_method(:api) { |endpoint, **args| github.api(endpoint, **args) }
-      define_method(:download) { |version| files.fetch(version) }
-    end.new('test/repo')
-  end
-
-  def prepare(version)
-    Dir.mktmpdir do |dir|
-      File.write(File.join(dir, 'checksums.txt'), '')
-      publisher.prepare(version, dir)
-      content = File.read(File.join(dir, 'version.yaml'))
-      assert_equal "#{Digest::SHA256.hexdigest(content)}  version.yaml\n", File.read(File.join(dir, 'checksums.txt'))
-      content
-    end
-  end
-
-  def current = JSON.parse(@pointer.fetch('body')).fetch('current')
-
-  def test_interrupted_publication_recovers_without_losing_another_channel
-    publish_assets('3.41.2')
-    stable = prepare('3.42.0')
-    assert_equal nil, current
-    assert_rejected { publisher.finish('3.42.0') }
-    publish_assets('3.42.0', stable)
-    # 模拟公开后更新指针中断，下一次发布在同一把锁内补写，再合并自己的通道
-    beta = prepare('3.43.0-beta.1')
-    assert_equal '3.42.0', current
-    assert_equal({ 'stable' => '3.42.0', 'rc' => '3.42.0', 'beta' => '3.43.0-beta.1', 'alpha' => '3.43.0-beta.1' },
-      YAML.safe_load(beta).dig('published', '3'))
-    publish_assets('3.43.0-beta.1', beta)
-    publisher.finish('3.43.0-beta.1')
-    publisher.finish('3.43.0-beta.1')
-    assert_rejected { publisher.finish('3.42.0') }
-    assert_equal '3.43.0-beta.1', current
-    experiment = YAML.safe_load(prepare('3.44.0-exp.1')).dig('published', '3')
-    assert_equal({ '3.44.0' => '3.44.0-exp.1' }, experiment.fetch('exp'))
-    assert_equal '3.43.0-beta.1', experiment.fetch('beta')
-    assert_equal false, @calls.include?(['GET', 'releases'])
-  end
-
-  def test_incomplete_corrupt_or_draft_release_keeps_last_public_snapshot
-    publish_assets('3.42.0', prepare('3.42.0'))
-    publisher.finish('3.42.0')
-    beta = prepare('3.43.0-beta.1')
-    publish_assets('3.43.0-beta.1', beta)
-    release = @releases.fetch('3.43.0-beta.1')
-    release['draft'] = true
-    assert_rejected { publisher.finish('3.43.0-beta.1') }
-    release['draft'] = false
-    missing = release.fetch('assets').shift
-    assert_rejected { publisher.finish('3.43.0-beta.1') }
-    release.fetch('assets') << missing
-    publish_assets('3.43.0-beta.1', beta.sub('3.42.0', '3.10.0'))
-    assert_rejected { publisher.finish('3.43.0-beta.1') }
-    assert_equal '3.42.0', current
-  end
-end
-PublishedChannelsTest.new.test_interrupted_publication_recovers_without_losing_another_channel
-PublishedChannelsTest.new.test_incomplete_corrupt_or_draft_release_keeps_last_public_snapshot
-puts 'Published channel recovery and integrity checks passed'
diff --git a/.github/workflows/_quality.yml b/.github/workflows/_quality.yml
index 846d8feb9..cc5ba7035 100644
--- a/.github/workflows/_quality.yml
+++ b/.github/workflows/_quality.yml
@@ -258,5 +258,4 @@ jobs:
           for script in .github/**/*.sh; do bash -n "$script"; done
           for script in .github/scripts/*.rb; do ruby -c "$script"; done
           ruby .github/scripts/toolchains.rb
-          ruby .github/scripts/tests/published-channels-test.rb
           ruby -c backend/crates/gateway-plugin/runtime/plugin-api-lifecycle.rb