diff --git a/tests/utls/config-utils.ts b/tests/utls/config-utils.ts
index b4ac0e9..e796278 100644
--- a/tests/utls/config-utils.ts
+++ b/tests/utls/config-utils.ts
@@ -25,7 +25,6 @@ export class ConfigUtils {
     public static buildBatchExportZip(manifest: PackageManifestTransport[], packageZips: AdmZip[]): AdmZip {
 
         const zipExport = new AdmZip();
-        const str = stringify(manifest);
         zipExport.addFile("manifest.json", Buffer.from(stringify(manifest)));
         packageZips.forEach(packageZip => {
             const fileName = `${packageZip.getZipComment()}.zip`