diff --git a/server/__tests__/lanes-api.test.js b/server/__tests__/lanes-api.test.js
index b3cc58d8..740c1301 100644
--- a/server/__tests__/lanes-api.test.js
+++ b/server/__tests__/lanes-api.test.js
@@ -934,13 +934,14 @@ describe("GET /:id/ci/status", () => {
   let laneId;
   let laneCwd;
   let restorePath;
+  let bin;
 
   before(async () => {
     laneCwd = fs.mkdtempSync(path.join(os.tmpdir(), "ccam-ci-status-route-"));
     const r = await request("POST", "/api/lanes", { title: "CI status lane", cwd: laneCwd });
     laneId = r.body.lane.id;
 
-    const bin = fs.mkdtempSync(path.join(os.tmpdir(), "ccam-ci-status-bin-"));
+    bin = fs.mkdtempSync(path.join(os.tmpdir(), "ccam-ci-status-bin-"));
     fs.writeFileSync(
       path.join(bin, "gh"),
       `#!/usr/bin/env bash
@@ -966,6 +967,7 @@ exit 1
   after(() => {
     if (restorePath) restorePath();
     fs.rmSync(laneCwd, { recursive: true, force: true });
+    fs.rmSync(bin, { recursive: true, force: true });
   });
 
   it("404s for an unknown lane", async () => {
diff --git a/server/__tests__/lanes-cli.test.js b/server/__tests__/lanes-cli.test.js
index bb592a81..fe9f8c46 100644
--- a/server/__tests__/lanes-cli.test.js
+++ b/server/__tests__/lanes-cli.test.js
@@ -545,9 +545,10 @@ describe("ccam lanes — inferred stage detection", () => {
 
 describe("ccam lanes ci status", () => {
   let restorePath;
+  let bin;
 
   before(() => {
-    const bin = fs.mkdtempSync(path.join(os.tmpdir(), "ccam-ci-status-cli-bin-"));
+    bin = fs.mkdtempSync(path.join(os.tmpdir(), "ccam-ci-status-cli-bin-"));
     fs.writeFileSync(
       path.join(bin, "gh"),
       `#!/usr/bin/env bash
@@ -580,7 +581,10 @@ exit 1
     };
   });
 
-  after(() => restorePath && restorePath());
+  after(() => {
+    if (restorePath) restorePath();
+    fs.rmSync(bin, { recursive: true, force: true });
+  });
 
   it("exits 0 and prints success state", async () => {
     const r = await cli(["lanes", "ci", "status", "development"], LANE_DIR);