diff --git a/packages/backend-common/src/reading/tree/ZipArchiveResponse.test.ts b/packages/backend-common/src/reading/tree/ZipArchiveResponse.test.ts
index b94e424251..c67dcf75d7 100644
--- a/packages/backend-common/src/reading/tree/ZipArchiveResponse.test.ts
+++ b/packages/backend-common/src/reading/tree/ZipArchiveResponse.test.ts
@@ -120,7 +120,6 @@ describe('ZipArchiveResponse', () => {
     const res = new ZipArchiveResponse(stream, '', '/tmp', 'etag');
     const dir = await res.dir();
 
-    await new Promise(resolve => setTimeout(resolve, 1000));
     await expect(
       fs.readFile(resolvePath(dir, 'mkdocs.yml'), 'utf8'),
     ).resolves.toBe('site_name: Test\n');
@@ -134,7 +133,6 @@ describe('ZipArchiveResponse', () => {
 
     const res = new ZipArchiveResponse(stream, 'docs/', '/tmp', 'etag');
     const dir = await res.dir();
-    await new Promise(resolve => setTimeout(resolve, 1000));
     expect(dir).toMatch(/^[\/\\]tmp[\/\\].*$/);
     await expect(
       fs.readFile(resolvePath(dir, 'index.md'), 'utf8'),