diff --git a/fes.js b/fes.js
index b62b4bb..e7b1272 100644
--- a/fes.js
+++ b/fes.js
@@ -23,7 +23,6 @@
 // DOM
 const img = document.getElementById('mapImage');
 const map = document.getElementById('map');
-const wrapper = map.parentElement;
 const tabButtons = document.querySelectorAll('.tab-button');
 const listToggle = document.getElementById('listToggle');
 const listPanel = document.getElementById('listPanel');
@@ -34,10 +33,6 @@
 let currentData = [];
 let pinEls = [];
 let tooltipEls = [];
-let panzoomInstance = null;
-let baseImageWidth = 0;
-let baseImageHeight = 0;
-const activePointers = new Set();
 
 /* ---------- CSV parser ---------- */
 function parseCSV(text) {