diff --git a/lib/ace/keyboard/state_handler.js b/lib/ace/keyboard/state_handler.js
index 4584d3a2..b887cd4d 100644
--- a/lib/ace/keyboard/state_handler.js
+++ b/lib/ace/keyboard/state_handler.js
@@ -39,7 +39,7 @@ define(function(require, exports, module) {
 
 // If you're developing a new keymapping and want to get an idea what's going
 // on, then enable debugging.
-var DEBUG = true;
+var DEBUG = false;
 
 function StateHandler(keymapping) {
     this.keymapping = this.$buildKeymappingRegex(keymapping);