diff --git a/index.html b/index.html
index b4cee34ee..3b2d72034 100644
--- a/index.html
+++ b/index.html
@@ -8022,7 +8022,6 @@
     <script src="libs/jquery-ui.min.js"></script>
     <script src="versioning.js"></script>
     <script src="libs/d3.min.js"></script>
-    <script src="libs/priority-queue.min.js"></script>
     <script src="libs/flatqueue.js"></script>
     <script src="libs/delaunator.min.js"></script>
     <script src="libs/indexedDB.js?v=1.99.00"></script>