diff --git a/static/sfu.js b/static/sfu.js
index f0d0297..da37a4a 100644
--- a/static/sfu.js
+++ b/static/sfu.js
@@ -19,7 +19,6 @@ let permissions = {};
 
 function toHex(array) {
     let a = new Uint8Array(array);
-    let s = '';
     function hex(x) {
         let h = x.toString(16);
         if(h.length < 2)
@@ -94,7 +93,6 @@ function getUsername() {
 function setConnected(connected) {
     let statspan = document.getElementById('statspan');
     let userform = document.getElementById('userform');
-    let diconnect = document.getElementById('disconnectbutton');
     if(connected) {
         clearError();
         statspan.textContent = 'Connected';