diff --git a/app.py b/app.py
index b6bc495..4965349 100644
--- a/app.py
+++ b/app.py
@@ -275,10 +275,6 @@ function _md(s){
   s=s.replace(/\n/g,'<br>');
   return '<p>'+s+'</p>';
 }
-function _a(r,t){var d=document.createElement("div");d.className="msg "+r;
-  var b=document.createElement("div");b.className="bb";b.textContent=t;
-  d.appendChild(b);document.getElementById("cht").appendChild(d);
-  document.getElementById("cht").scrollTop=document.getElementById("cht").scrollHeight;}
 function _e(s){return s.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;");}
 function _lc(){var x=new XMLHttpRequest();x.open("GET","/convs",true);
   x.onload=function(){if(x.status!=200)return;var d=JSON.parse(x.responseText),h="";