diff --git a/js/datepicker.js b/js/datepicker.js
index aa03601..575a297 100644
--- a/js/datepicker.js
+++ b/js/datepicker.js
@@ -688,7 +688,6 @@
           var viewPort = getViewport();
           var top = pos.top;
           var left = pos.left;
-          var oldDisplay = $.curCSS(calEl, 'display');
           cal.css({
             visibility: 'hidden',
             display: 'block'
@@ -1024,4 +1023,4 @@
     return data ? fn( data ) : fn;
   };
 
-})(jQuery);
+})(jQuery);