diff --git a/static/js/download.js b/static/js/download.js
index 00edd43342f97..8fe741cd7ce4f 100644
--- a/static/js/download.js
+++ b/static/js/download.js
@@ -73,7 +73,6 @@
   var winButton = d.getElementById('windows-downloadbutton');
   if (winButton && os === 'Win') {
     var winText = winButton.getElementsByTagName('p')[0];
-    version = winButton.getAttribute('data-version');
     winButton.href = winButton.href.replace(/x(86|64)/, arch);
     winText[text] = winText[text].replace(/x(86|64)/, arch);
   }