diff --git a/src/mvc/Controller.js b/src/mvc/Controller.js
index 98d5d331..3808c0bd 100755
--- a/src/mvc/Controller.js
+++ b/src/mvc/Controller.js
@@ -3,7 +3,7 @@ define(function(require) {
   var Connectivity = require('lavaca/net/Connectivity'),
       History = require('lavaca/net/History'),
       Disposable = require('lavaca/util/Disposable'),
-      StringUtils = require('lavaca/util/StringUtils');
+      interpolate = require('mout/string/interpolate');
 
   /**
    * Base type for controllers
@@ -74,7 +74,8 @@ define(function(require) {
      * @return {String}  The formatted URL
      */
     url: function(str, args) {
-      return StringUtils.format(str, args, encodeURIComponent);
+      args = args.map(window.encodeURIComponent);
+      return interpolate(str, args, /\{(.+?)\}/);
     },
     /**
      * Directs the user to another route
diff --git a/src/util/StringUtils.js b/src/util/StringUtils.js
deleted file mode 100755
index 4ca8aa20..00000000
--- a/src/util/StringUtils.js
+++ /dev/null
@@ -1,84 +0,0 @@
-define(function(require) {
-
-  var _htmlEscapes = {
-    '&': '&',
-    '<': '&lt;',
-    '>': '&gt;',
-    '"': '&quot;',
-    "'": '&apos;'
-  };
-
-  function _noop(s) {
-    return s;
-  }
-
-  /**
-   * Static utility type for working with strings
-   * @class lavaca.util.StringUtils
-   */
-  var StringUtils = {};
-
-  /**
-   * Substitutes arguments into a string
-   * @method format
-   * @static
-   * @param {String} s  The format string. Substitutions should be in the form {0} to sub in
-   *   the first arg, {1} for the second, and so on
-   * @params {Object} arg  Arguments to be substituted in to the string
-   * @return {String}  The format string with the arguments substituted into it
-   */
-  /**
-   * Substitutes arguments into a string
-   * @method format
-   * @static
-   * @param {String} s  The format string. Substitutions should be in the form {0} to sub in
-   *   the first arg, {1} for the second, and so on
-   * @param {Array} args  Arguments to be substituted in to the string
-   * @return {String}  The format string with the arguments substituted into it
-   */
-  /**
-   * Substitutes arguments into a string
-   * @method format
-   * @static
-   * @param {String} s  The format string. Substitutions should be in the form {0} to sub in
-   *   the first arg, {1} for the second, and so on
-   * @param {Array} args  Arguments to be substituted in to the string
-   * @param {Function} fn  A function to call on each argument, the result of which is substituted into the string
-   * @return {String}  The format string with the arguments substituted into it
-   */
-  StringUtils.format = function(s /*[, arg0, arg1, argN]*/) {
-    var args,
-        fn = _noop,
-        i,
-        j;
-    if (arguments[1] instanceof Array) {
-      args = arguments[1];
-      fn = arguments[2] || _noop;
-    } else {
-      args = [].slice.call(arguments, 1);
-    }
-    for (i = 0, j = args.length; i < j; i++) {
-      s = s.split('{' + i + '}').join(fn(args[i] + ''));
-    }
-    return s;
-  };
-
-  /**
-   * Escapes a string for inclusion in HTML
-   * @method escapeHTML
-   * @static
-   *
-   * @param {String} s  The string
-   * @return {String}  The escaped string
-   */
-  StringUtils.escapeHTML = function(s) {
-    s = '' + s;
-    for (var n in _htmlEscapes) {
-      s = s.split(n).join(_htmlEscapes[n]);
-    }
-    return s;
-  };
-
-  return StringUtils;
-
-});
\ No newline at end of file
diff --git a/test/unit/util/StringUtils.js b/test/unit/util/StringUtils.js
deleted file mode 100755
index 672973c3..00000000
--- a/test/unit/util/StringUtils.js
+++ /dev/null
@@ -1,18 +0,0 @@
-define(function(require) {
-
-  var StringUtils = require('lavaca/util/StringUtils');
-
-  describe('StringUtils', function() {
-    it('can format a string', function() {
-      var str = 'Bye {0}, hope you find your {1}';
-      expect(StringUtils.format(str, ['Buddy', 'Dad'])).toEqual('Bye Buddy, hope you find your Dad');
-      str = 'Hello {0}, bye {0}';
-      expect(StringUtils.format(str, ['Dave'])).toEqual('Hello Dave, bye Dave');
-    });
-    it('can escape html', function() {
-      var str = '<div>"Ben & Jerry\'s"</div>';
-      expect(StringUtils.escapeHTML(str)).toEqual('&lt;div&gt;&quot;Ben &amp; Jerry&apos;s&quot;&lt;/div&gt;');
-    });
-  });
-
-});