diff --git a/lib/OpenLayers/BaseTypes.js b/lib/OpenLayers/BaseTypes.js
index 4537e6a99c..bc9f648c83 100644
--- a/lib/OpenLayers/BaseTypes.js
+++ b/lib/OpenLayers/BaseTypes.js
@@ -54,27 +54,6 @@ String.prototype.trim = function() {
     return this.replace(/^\s+/, '').replace(/\s+$/, '');    
 };
 
-/**
- * APIMethod: String.indexOf
- * Index of a character in a string.
- * 
- * Parameters:
- * object - {Object} Can be a string or a number
- * 
- * Returns: 
- * {Integer} The index of the encountered object, or -1 if not found.
- */
-String.indexOf = function(object) {
-    var index = -1;
-    for (var i = 0; i < this.length; i++) {
-        if (this[i] == object) {
-            index = i;
-            break;
-        }
-    }
-    return index;
-};
-
 /**
  * APIMethod: camelize
  * Camel-case a hyphenated string.