diff --git a/README.md b/README.md
index a9d28744..639fe6e0 100644
--- a/README.md
+++ b/README.md
@@ -75,7 +75,7 @@ Windows (PowerShell):
 irm https://raw.githubusercontent.com/SheathedSharp/option-berth/main/install.ps1 | iex
 ```
 
-Homebrew, Linux `.deb`/`.rpm`, pinned versions, uninstall, upgrades and the platform
+Linux `.deb`/`.rpm`, pinned versions, uninstall, upgrades and the platform
 boundaries are in [Install and uninstall](docs/install.md). The scripts only download and verify release
 archives: they start no service and write no Git data.
 
diff --git a/README.zh.md b/README.zh.md
index 60e1874f..75b7bb32 100644
--- a/README.zh.md
+++ b/README.zh.md
@@ -72,7 +72,7 @@ Windows（PowerShell）：
 irm https://raw.githubusercontent.com/SheathedSharp/option-berth/main/install.ps1 | iex
 ```
 
-Homebrew、Linux `.deb`/`.rpm`、固定版本、卸载、升级与各平台边界见
+Linux `.deb`/`.rpm`、固定版本、卸载、升级与各平台边界见
 [安装与卸载](docs/install.zh.md)。安装脚本只下载并校验发布包：不启动服务，也不写 Git。
 
 直接运行 `oberth` 会显示本机版本；有更新时给出本平台的升级命令。也可以随时运行
diff --git a/docs/install.md b/docs/install.md
index 4746b460..18cf0eca 100644
--- a/docs/install.md
+++ b/docs/install.md
@@ -85,19 +85,6 @@ Pin a version or leave PATH alone: `.\install.ps1 -Version v1.0.0 -NoModifyPath`
 Before replacing files, the Windows installer checks whether `oberth` / `jev-attention` are running; if
 they are, it runs `oberth daemon stop` first and then reinstalls.
 
-## Homebrew
-
-A self-hosted tap, so there is no need to wait for homebrew-core inclusion. It installs the engine CLI
-(`oberth` and `jev-attention`), not the macOS client. The formula points at published archives, with
-checksums recorded in the tap.
-
-```sh
-brew install sheathedsharp/tap/oberth
-```
-
-Upgrade with `brew upgrade oberth`. `brew install option-berth` still waits on homebrew-core inclusion,
-which does not exist yet.
-
 ## Download a release manually
 
 When you would rather not run a script, download the archive for your platform from
@@ -205,13 +192,11 @@ answers, the terminal paths show only the local version and never present it as
 
 ## Channels not yet available
 
-- **Homebrew core**: `brew install option-berth` needs homebrew-core inclusion, which is not available
-  yet. The self-hosted tap is described in the Homebrew section above.
 - **Scoop**: needs a separate bucket repository, which this repository does not maintain.
 - **winget**: needs a submission to microsoft/winget-pkgs and review for every version update.
 - **Chocolatey**: needs a community package repository and review, similar to winget.
 
-The currently available paths are the scripts above, the Homebrew tap, manual release downloads and the
+The currently available paths are the scripts above, manual release downloads and the
 Linux `.deb`/`.rpm`. A Windows MSI is not available yet.
 
 ## Platform boundaries
diff --git a/docs/install.zh.md b/docs/install.zh.md
index 80e69002..e8f69b16 100644
--- a/docs/install.zh.md
+++ b/docs/install.zh.md
@@ -80,17 +80,6 @@ irm https://raw.githubusercontent.com/SheathedSharp/option-berth/main/install.ps
 Windows 安装器在替换文件前会检查 `oberth` / `jev-attention` 是否正在运行；
 正在运行就先执行 `oberth daemon stop`，再重新安装。
 
-## Homebrew
-
-自建 tap，不需要等 homebrew-core 收录。它安装引擎 CLI（`oberth` 和 `jev-attention`），
-不是 macOS 客户端。formula 指向已发布的压缩包，校验和写在 tap 里。
-
-```sh
-brew install sheathedsharp/tap/oberth
-```
-
-升级用 `brew upgrade oberth`。`brew install option-berth` 仍然要等 homebrew-core 收录，现在没有。
-
 ## 手动下载发布包
 
 不想执行脚本时，从 [Releases](https://github.com/SheathedSharp/option-berth/releases)
@@ -192,12 +181,11 @@ CLI 调用会启动新版本。Windows 先停止正在运行的 `oberth`，再
 
 ## 尚未提供的渠道
 
-- **Homebrew core**：`brew install option-berth` 需要 homebrew-core 收录，暂未提供。自建 tap 见上面的 Homebrew 一节。
 - **Scoop**：需要单独的 bucket 仓库，本仓库不维护。
 - **winget**：需要向 microsoft/winget-pkgs 提交并过审，每个版本更新。
 - **Chocolatey**：需要社区包仓库与审核，和 winget 类似。
 
-当前可用方式见上面的脚本、Homebrew tap、手动发布包与 Linux `.deb`/`.rpm`。Windows MSI 暂未提供。
+当前可用方式见上面的脚本、手动发布包与 Linux `.deb`/`.rpm`。Windows MSI 暂未提供。
 
 ## 平台边界
 
diff --git a/engine/internal/cmd/root.go b/engine/internal/cmd/root.go
index c6a4bd6e..d35d0495 100644
--- a/engine/internal/cmd/root.go
+++ b/engine/internal/cmd/root.go
@@ -237,7 +237,7 @@ var rootCmd = &cobra.Command{
 		}
 		printWelcome(cmd.OutOrStdout(), welcomeVersion())
 		// The first screen is the only place the product asks. It is also the
-		// only place that reaches every install channel — the scripts, brew and
+		// only place that reaches every install channel — the scripts and
 		// deb/rpm all end up running this binary.
 		askFeedbackOnce()
 		return nil
diff --git a/site/guide/book.json b/site/guide/book.json
index c375da22..bce56cb9 100644
--- a/site/guide/book.json
+++ b/site/guide/book.json
@@ -136,13 +136,13 @@
           "nav": "Install",
           "title": "Install oberth",
           "lede": "One binary, no model account, and no service started by the installer. Confirm the build with version and doctor, then declare your first worktree.",
-          "summary": "The one-line script, go install, Homebrew, release archives, and the platform support."
+          "summary": "The one-line script, release archives, Linux packages, and the platform support."
         },
         "zh": {
           "nav": "安装",
           "title": "安装 oberth",
           "lede": "一个二进制，不需要模型账号，安装脚本不会启动任何服务。用 version 和 doctor 确认构建，再去声明第一个 worktree。",
-          "summary": "一行脚本、go install、Homebrew、发布包，以及平台支持。"
+          "summary": "一行脚本、发布包、Linux 包，以及平台支持。"
         }
       },
       "refs": [
diff --git a/site/guide/install.en.html b/site/guide/install.en.html
index c390a565..2fcd6445 100644
--- a/site/guide/install.en.html
+++ b/site/guide/install.en.html
@@ -26,8 +26,6 @@ <h2 id="other-ways">Other ways to install</h2>
   <caption class="sr-only">Installation channels</caption>
   <thead><tr><th scope="col">Channel</th><th scope="col">Command</th><th scope="col">What it is for</th></tr></thead>
   <tbody>
-    <tr><th scope="row">go install</th><td><code>go install github.com/sheathedsharp/option-berth/engine/cmd/oberth@latest</code></td><td>Go 1.25 or newer. It installs into <code>GOPATH/bin</code> and needs only a module proxy.</td></tr>
-    <tr><th scope="row">Homebrew</th><td><code>brew install sheathedsharp/tap/oberth</code></td><td>The engine CLI from a self-hosted tap. It is not in homebrew-core.</td></tr>
     <tr><th scope="row">Release archive</th><td>download, verify <code>SHA256SUMS</code>, put it on PATH</td><td>For when you would rather not run a script.</td></tr>
     <tr><th scope="row">Linux packages</th><td><code>.deb</code> or <code>.rpm</code></td><td>Distribution-managed installs. Details are in the install contract.</td></tr>
   </tbody>
diff --git a/site/guide/install.zh.html b/site/guide/install.zh.html
index 4569c421..2ae9c59a 100644
--- a/site/guide/install.zh.html
+++ b/site/guide/install.zh.html
@@ -26,8 +26,6 @@ <h2 id="other-ways">其他安装方式</h2>
   <caption class="sr-only">安装渠道</caption>
   <thead><tr><th scope="col">渠道</th><th scope="col">命令</th><th scope="col">适合什么</th></tr></thead>
   <tbody>
-    <tr><th scope="row">go install</th><td><code>go install github.com/sheathedsharp/option-berth/engine/cmd/oberth@latest</code></td><td>Go 1.25 或更新。装进 <code>GOPATH/bin</code>，有模块代理即可。</td></tr>
-    <tr><th scope="row">Homebrew</th><td><code>brew install sheathedsharp/tap/oberth</code></td><td>自托管 tap 提供的引擎 CLI，还没有进 homebrew-core。</td></tr>
     <tr><th scope="row">发布包</th><td>下载、核对 <code>SHA256SUMS</code>、放进 PATH</td><td>不想运行脚本时。</td></tr>
     <tr><th scope="row">Linux 包</th><td><code>.deb</code> 或 <code>.rpm</code></td><td>交给发行版管理。细节在安装契约里。</td></tr>
   </tbody>