diff --git a/lib/OpenLayers/Control/MouseToolbar.js b/lib/OpenLayers/Control/MouseToolbar.js
index 0b7e6bd1eb..c832cd07b0 100644
--- a/lib/OpenLayers/Control/MouseToolbar.js
+++ b/lib/OpenLayers/Control/MouseToolbar.js
@@ -254,12 +254,6 @@ OpenLayers.Control.MouseToolbar.prototype =
         this.map.div.style.cursor = "default";
     },
 
-    defaultMouseOut: function (evt) {
-        if (this.mouseDragStart != null
-            && OpenLayers.Util.mouseLeft(evt, this.map.div)) {
-                this.defaultMouseUp(evt);
-        }
-    },
     defaultClick: function (evt) {
         if (this.performedDrag)  {
             this.performedDrag = false;