diff --git a/lib/ace/editor.js b/lib/ace/editor.js
index 523f3941..b204a8f8 100644
--- a/lib/ace/editor.js
+++ b/lib/ace/editor.js
@@ -116,7 +116,6 @@ var Editor =function(renderer, session) {
     }
 
     this.setSession = function(session) {
-        if (!session) debugger
         if (this.session == session) return;
 
         if (this.session) {