diff --git a/src/web/OutputWaiter.mjs b/src/web/OutputWaiter.mjs
index 236ef18c..074ef376 100755
--- a/src/web/OutputWaiter.mjs
+++ b/src/web/OutputWaiter.mjs
@@ -7,11 +7,8 @@
 
 import Utils from "../core/Utils";
 import FileSaver from "file-saver";
-import zip from "zlibjs/bin/zip.min";
 import ZipWorker from "worker-loader?inline&fallback=false!./ZipWorker";
 
-const Zlib = zip.Zlib;
-
 /**
   * Waiter to handle events related to the output
   */