diff --git a/ci/build/build-packages.sh b/ci/build/build-packages.sh
index 5c770a4a..058a5478 100755
--- a/ci/build/build-packages.sh
+++ b/ci/build/build-packages.sh
@@ -30,7 +30,7 @@ release_archive() {
   local release_name="code-server-$VERSION-$OS-$ARCH"
   if [[ $OS == "linux" ]]; then
     tar -czf "release-packages/$release_name.tar.gz" --transform "s/^\.\/release-standalone/$release_name/" ./release-standalone
-  elif [[ "$OS" == "darwin" && "$ARCH" == "x86_64" ]]; then
+  elif [[ $OS == "darwin" && $ARCH == "x86_64" ]]; then
     # Just exists to make autoupdating from 3.2.0 work again.
     mv ./release-standalone "./$release_name"
     zip -r "release-packages/$release_name.zip" "./$release_name"
diff --git a/ci/build/code-server.sh b/ci/build/code-server.sh
index 831bcefc..deb36ac3 100755
--- a/ci/build/code-server.sh
+++ b/ci/build/code-server.sh
@@ -29,7 +29,7 @@ _realpath() {
 root() {
   script="$(_realpath "$0")"
   bin_dir="$(dirname "$script")"
-  echo "$(dirname "$bin_dir")"
+  dirname "$bin_dir"
 }
 
 ROOT="$(root)"
diff --git a/ci/dev/fmt.sh b/ci/dev/fmt.sh
index b619a7e4..d3bd4191 100755
--- a/ci/dev/fmt.sh
+++ b/ci/dev/fmt.sh
@@ -4,7 +4,7 @@ set -euo pipefail
 main() {
   cd "$(dirname "$0")/../.."
 
-  shfmt -i 2 -w -s -sr $(git ls-files "*.sh")
+  shfmt -i 2 -w -sr $(git ls-files "*.sh")
 
   local prettierExts
   prettierExts=(
diff --git a/package.json b/package.json
index cd7c45ff..aa6d1fe6 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,6 @@
   },
   "main": "out/node/entry.js",
   "devDependencies": {
-    "@types/adm-zip": "^0.4.32",
     "@types/fs-extra": "^8.0.1",
     "@types/http-proxy": "^1.17.4",
     "@types/js-yaml": "^3.12.3",
@@ -66,7 +65,6 @@
   },
   "dependencies": {
     "@coder/logger": "1.1.11",
-    "adm-zip": "^0.4.14",
     "env-paths": "^2.2.0",
     "fs-extra": "^8.1.0",
     "http-proxy": "^1.18.0",
diff --git a/src/node/app/update.ts b/src/node/app/update.ts
index 588e5201..23cfd88b 100644
--- a/src/node/app/update.ts
+++ b/src/node/app/update.ts
@@ -1,5 +1,4 @@
 import { field, logger } from "@coder/logger"
-import zip from "adm-zip"
 import * as cp from "child_process"
 import * as fs from "fs-extra"
 import * as http from "http"
@@ -213,11 +212,7 @@ export class UpdateHttpProvider extends HttpProvider {
     const response = await this.requestResponse(url)
 
     try {
-      if (downloadPath.endsWith(".tar.gz")) {
-        downloadPath = await this.extractTar(response, downloadPath)
-      } else {
-        downloadPath = await this.extractZip(response, downloadPath)
-      }
+      downloadPath = await this.extractTar(response, downloadPath)
       logger.debug("Downloaded update", field("path", downloadPath))
 
       // The archive should have a directory inside at the top level with the
@@ -275,40 +270,6 @@ export class UpdateHttpProvider extends HttpProvider {
     return downloadPath
   }
 
-  private async extractZip(response: Readable, downloadPath: string): Promise<string> {
-    logger.debug("Downloading zip", field("path", downloadPath))
-
-    response.pause()
-    await fs.remove(downloadPath)
-
-    const write = fs.createWriteStream(downloadPath)
-    response.pipe(write)
-    response.on("error", (error) => write.destroy(error))
-    response.on("close", () => write.end())
-
-    await new Promise((resolve, reject) => {
-      write.on("error", reject)
-      write.on("close", resolve)
-      response.resume
-    })
-
-    const zipPath = downloadPath
-    downloadPath = downloadPath.replace(/\.zip$/, "")
-    await fs.remove(downloadPath)
-
-    logger.debug("Extracting zip", field("path", zipPath))
-
-    await new Promise((resolve, reject) => {
-      new zip(zipPath).extractAllToAsync(downloadPath, true, (error) => {
-        return error ? reject(error) : resolve()
-      })
-    })
-
-    await fs.remove(zipPath)
-
-    return downloadPath
-  }
-
   /**
    * Given an update return the name for the packaged archived.
    */
@@ -329,7 +290,7 @@ export class UpdateHttpProvider extends HttpProvider {
     if (arch === "x64") {
       arch = "x86_64"
     }
-    return `code-server-${update.version}-${target}-${arch}.${target === "darwin" ? "zip" : "tar.gz"}`
+    return `code-server-${update.version}-${target}-${arch}.tar.gz`
   }
 
   private async request(uri: string): Promise<Buffer> {
diff --git a/test/update.test.ts b/test/update.test.ts
index 18f0d9a6..8725eb5f 100644
--- a/test/update.test.ts
+++ b/test/update.test.ts
@@ -1,8 +1,6 @@
-import zip from "adm-zip"
 import * as assert from "assert"
 import * as fs from "fs-extra"
 import * as http from "http"
-import * as os from "os"
 import * as path from "path"
 import * as tar from "tar-fs"
 import * as zlib from "zlib"
@@ -88,28 +86,18 @@ describe("update", () => {
       fs.writeFile(path.join(archivePath, archiveName, "node"), `NODE BINARY`),
     ])
 
-    if (os.platform() === "darwin") {
-      await new Promise((resolve, reject) => {
-        const zipFile = new zip()
-        zipFile.addLocalFolder(archivePath)
-        zipFile.writeZip(archivePath + ".zip", (error) => {
-          return error ? reject(error) : resolve(error)
-        })
+    await new Promise((resolve, reject) => {
+      const write = fs.createWriteStream(archivePath + ".tar.gz")
+      const compress = zlib.createGzip()
+      compress.pipe(write)
+      compress.on("error", (error) => compress.destroy(error))
+      compress.on("close", () => write.end())
+      tar.pack(archivePath).pipe(compress)
+      write.on("close", reject)
+      write.on("finish", () => {
+        resolve()
       })
-    } else {
-      await new Promise((resolve, reject) => {
-        const write = fs.createWriteStream(archivePath + ".tar.gz")
-        const compress = zlib.createGzip()
-        compress.pipe(write)
-        compress.on("error", (error) => compress.destroy(error))
-        compress.on("close", () => write.end())
-        tar.pack(archivePath).pipe(compress)
-        write.on("close", reject)
-        write.on("finish", () => {
-          resolve()
-        })
-      })
-    }
+    })
   })
 
   after(() => {
diff --git a/yarn.lock b/yarn.lock
index f8b76db0..2ba7cba6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -910,13 +910,6 @@
     traverse "^0.6.6"
     unified "^6.1.6"
 
-"@types/adm-zip@^0.4.32":
-  version "0.4.33"
-  resolved "https://registry.yarnpkg.com/@types/adm-zip/-/adm-zip-0.4.33.tgz#ea5b94f771443f655613b64f920c0555867200dd"
-  integrity sha512-WM0DCWFLjXtddl0fu0+iN2ZF+qz8RF9RddG5OSy/S90AQz01Fu8lHn/3oTIZDxvG8gVcnBLAHMHOdBLbV6m6Mw==
-  dependencies:
-    "@types/node" "*"
-
 "@types/color-name@^1.1.1":
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/@types/color-name/-/color-name-1.1.1.tgz#1c1261bbeaa10a8055bbc5d8ab84b7b2afc846a0"
@@ -1130,11 +1123,6 @@ acorn@^7.1.1:
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.1.1.tgz#e35668de0b402f359de515c5482a1ab9f89a69bf"
   integrity sha512-add7dgA5ppRPxCFJoAGfMDi7PIBXq1RtGo7BhbLaxwrXPOmw8gq48Y9ozT01hUKy9byMjlR20EJhu5zlkErEkg==
 
-adm-zip@^0.4.14:
-  version "0.4.14"
-  resolved "https://registry.yarnpkg.com/adm-zip/-/adm-zip-0.4.14.tgz#2cf312bcc9f8875df835b0f6040bd89be0a727a9"
-  integrity sha512-/9aQCnQHF+0IiCl0qhXoK7qs//SwYE7zX8lsr/DNk1BRAHYxeLZPL4pguwK29gUEqasYQjqPtEpDRSWEkdHn9g==
-
 ajv@^6.10.0, ajv@^6.10.2, ajv@^6.5.5:
   version "6.12.2"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.2.tgz#c629c5eced17baf314437918d2da88c99d5958cd"