Jquery 1.4 to 1.7+

Jquery 1.4 to 1.7+

I have the following code taken from JQuery in action.
  2. <!DOCTYPE html>
  3. <html>
  4.   <head>
  5.     <title>DVD Ambassador &mdash; Disc Locator</title>
  6.     <link rel="stylesheet" type="text/css" href="dvds.css">
  7.     <script type="text/javascript" src="../../scripts/jquery-1.4.js"></script>
  8.     <script type="text/javascript">
  9.       var filterCount = 0;

  11.       $(function() {

  13.         $('#addFilterButton').click(function(){
  14.           var filterItem = $('<div>')
  15.             .addClass('filterItem')
  16.             .appendTo('#filterPane')
  17.             .data('suffix','.' + (filterCount++));
  18.           $('div.template.filterChooser')
  19.               .children().clone().appendTo(filterItem)
  20.               .trigger('adjustName');
  21.         });

  23.         $('select.filterChooser').live('change',function(){
  24.           var filterType = $(':selected',this).attr('data-filter-type');
  25.           var filterItem = $(this).closest('.filterItem');
  26.           $('.qualifier',filterItem).remove();
  27.           $('div.template.'+filterType)
  28.               .children().clone().addClass('qualifier')
  29.               .appendTo(filterItem)
  30.               .trigger('adjustName');
  31.           $('option[value=""]',this).remove();
  32.         });

  34.         $('button.filterRemover').live('click',function(){
  35.           $(this).closest('div.filterItem').remove();
  36.         });

  38.         $('.filterItem [name]').live('adjustName',function(){
  39.           var suffix = $(this).closest('.filterItem').data('suffix');
  40.           if (/(\w)+\.(\d)+$/.test($(this).attr('name'))) return;
  41.           $(this).attr('name',$(this).attr('name')+suffix);
  42.         });

  44.         $('#addFilterButton').click();

  46.         /*$('#filtersForm').submit(function(){
  47.           $('#resultsPane').load('applyFilters',$('#filtersForm').serializeArray());
  48.           return false;
  49.         });*/

  51.         /* bonus exercise code -- uncomment to enable
  52.         $('input.numeric').live('keypress',function(event){
  53.           if (event.which < 48 || event.which > 57) return false;
  54.         });
  55.         */

  57.       });

  59.     </script>
  60.   </head>

  62.   <body>
  63.     <div id="pageContent">

  65.       <h1>DVD Ambassador</h1>
  66.       <h2>Disc Locator</h2>

  68.       <form id="filtersForm" action="/fetchFilteredResults" method="post">

  70.         <fieldset id="filtersPane">
  71.           <legend>Filters</legend>
  72.           <div id="filterPane"></div>
  73.           <div class="buttonBar">
  74.             <button type="button" id="addFilterButton">Add Filter</button>
  75.             <button type="submit" id="applyFilterButton">Apply Filters</button>
  76.           </div>
  77.         </fieldset>

  79.         <div id="resultsPane"><span class="none">No results displayed</span></div>

  81.       </form>

  83.     </div>

  85.     <!-- hidden templates -->
  86.     <div id="templates">

  88.       <div class="template filterChooser">
  89.         <button type="button" class="filterRemover" title="Remove this filter">X</button>

  91.         <select name="filter" class="filterChooser" title="Select a property to filter">
  92.           <option value="" data-filter-type="" selected="selected">-- choose a filter --</option>
  93.           <option value="title" data-filter-type="stringMatch">DVD Title</option>
  94.           <option value="category" data-filter-type="stringMatch">Category</option>
  95.           <option value="binder" data-filter-type="numberRange">Binder</option>
  96.           <option value="release" data-filter-type="dateRange">Release Date</option>
  97.           <option value="viewed" data-filter-type="boolean">Viewed?</option>
  98.         </select>
  99.       </div>

  101.       <div class="template stringMatch">
  102.         <select name="stringMatchType">
  103.           <option value="*">contains</option>
  104.           <option value="^">starts with</option>
  105.           <option value="$">ends with</option>
  106.           <option value="=">is exactly</option>
  107.         </select>
  108.         <input type="text" name="term"/>
  109.       </div>

  111.       <div class="template numberRange">
  112.         <input type="text" name="numberRange1" class="numeric"/> <span>through</span>
  113.         <input type="text" name="numberRange2" class="numeric"/>
  114.       </div>

  116.       <div class="template dateRange">
  117.         <input type="text" name="dateRange1" class="dateValue"/> <span>through</span>
  118.         <input type="text" name="dateRange2" class="dateValue"/>
  119.       </div>

  121.       <div class="template boolean">
  122.         <input type="radio" name="booleanFilter" value="true" checked="checked"/> <span>Yes</span>
  123.         <input type="radio" name="booleanFilter" value="false"/> <span>No</span>
  124.       </div>

  126.     </div>

  128.   </body>
  129. </html>
This works perfectly with jquery 1.4 but when I try to upgrade this to 1.7 the line 

  1. $('option[value=""]',this).remove();
No longer seems to work. 

Can someone please advise what braking change may be causing this.

Thanks