Disabling Product Filter on a Category Manually
In this Developer guide for the Magento 1 Layered Navigation extension, you will learn how to disable layered navigation on a required category.
Adding code to custom layout
Changes to be made
In your Magento backend dashboard go to “Catalog” > “Manage Categories” > Select required category from the category tree > go to “Custom Design” tab.
Add the following code into “Custom layout update” field.
<reference name="product_list_toolbar"> <action method="disableFilter" /> </reference>
Frontend before and after disabling layered navigation functionality