Remove Category option from Layered Navigation options list in magnto

This is about how to remove the category from the layered navgation

Please open to

app/design/frontend/default/default/template/catalog/layer and open up view.phtml for edit. 

<dl id="narrow-by-list"><?php $_filters = $this->getFilters() ?>
<?php foreach ($_filters as $_filter): ?>
 <?php if($_filter->getItemsCount()): ?>
<?php if($_filter->getName() != "Category"){ ?><dt><?php echo $this->__($_filter->getName()) ?></dt>
<dd><?php echo $_filter->getHtml() ?></dd><?php } endif; ?>
<?php endforeach; ?></dl>