diff --git a/src/features/team-mode/team-worktree/cleanup.test.ts b/src/features/team-mode/team-worktree/cleanup.test.ts
index f47c63af9..f9b1c711d 100644
--- a/src/features/team-mode/team-worktree/cleanup.test.ts
+++ b/src/features/team-mode/team-worktree/cleanup.test.ts
@@ -2,7 +2,7 @@
 
 import { afterAll, expect, test } from "bun:test"
 import fs from "node:fs/promises"
-import os from "node:os"
+import { tmpdir } from "node:os"
 import path from "node:path"
 
 import { findOrphanWorktrees } from "./cleanup"
@@ -17,7 +17,7 @@ afterAll(async () => {
 
 test("given runtime mismatch when findOrphanWorktrees then returns orphan paths", async () => {
   // given
-  const baseDir = await fs.mkdtemp(path.join(os.tmpdir(), "team-worktree-orphans-"))
+  const baseDir = await fs.mkdtemp(path.join(tmpdir(), "team-worktree-orphans-"))
   temporaryDirectories.push(baseDir)
   await fs.mkdir(path.join(baseDir, "worktrees", "t1", "m1"), { recursive: true })
   await fs.mkdir(path.join(baseDir, "runtime", "t1"), { recursive: true })
diff --git a/src/features/team-mode/team-worktree/manager.test.ts b/src/features/team-mode/team-worktree/manager.test.ts
index b1e98556b..a133d179b 100644
--- a/src/features/team-mode/team-worktree/manager.test.ts
+++ b/src/features/team-mode/team-worktree/manager.test.ts
@@ -3,7 +3,7 @@
 import { afterAll, beforeAll, describe, expect, mock, test } from "bun:test"
 import { randomUUID } from "node:crypto"
 import fs from "node:fs/promises"
-import os from "node:os"
+import { tmpdir } from "node:os"
 import path from "node:path"
 
 import { GitUnavailableError, createWorktree, setGitCommandRunnerForTests, validateWorktreeSpec } from "./manager"
@@ -12,7 +12,7 @@ import { removeWorktree } from "./cleanup"
 const temporaryDirectories: string[] = []
 
 async function initGitRepo(): Promise<string> {
-  const repositoryRoot = await fs.mkdtemp(path.join(os.tmpdir(), "team-worktree-"))
+  const repositoryRoot = await fs.mkdtemp(path.join(tmpdir(), "team-worktree-"))
   temporaryDirectories.push(repositoryRoot)
   Bun.spawnSync(["git", "init"], { cwd: repositoryRoot, stdout: "pipe", stderr: "pipe" })
   await fs.writeFile(path.join(repositoryRoot, "README.md"), "hello\n")