diff --git a/lodeRunner.key.js b/lodeRunner.key.js
index fafc09e..d35c015 100644
--- a/lodeRunner.key.js
+++ b/lodeRunner.key.js
@@ -237,15 +237,12 @@ function pressKey(code)
         case "KeyU":
         case "KeyY": //Y key to dig left, for German keyboards
         case "Comma":
-		case "ControlRight":
             keyAction = ACT_DIG_LEFT;
             break;
         case "KeyX":
         case "KeyO":
         case "KeyE":
         case "Period":
-		case "Numpad0":
-		case "End":
             keyAction = ACT_DIG_RIGHT;
             break;
         case "Escape": //help & pause
diff --git a/lodeRunner.misc.js b/lodeRunner.misc.js
index 358c7a3..680b4d1 100644
--- a/lodeRunner.misc.js
+++ b/lodeRunner.misc.js
@@ -1,7 +1,7 @@
 //============
 // MISC
 //============
-var DEBUG = 1;
+var DEBUG = 0;
 var demoSoundOff = 1;
 
 function debug(string)