diff --git a/test/smoke/src/vscode/puppeteerDriver.ts b/test/smoke/src/vscode/puppeteerDriver.ts
index 85621a74cbf240b2bb86a9b2bcb05dc8a7e8a1b8..fe305d7394f52db55a8bb7f808b367422df0902d 100644
--- a/test/smoke/src/vscode/puppeteerDriver.ts
+++ b/test/smoke/src/vscode/puppeteerDriver.ts
@@ -6,7 +6,6 @@
 import * as puppeteer from 'puppeteer';
 import { ChildProcess, spawn } from 'child_process';
 import { join } from 'path';
-import { Readable } from 'stream';
 
 const width = 1200;
 const height = 800;