Remove Or Rename “Add New” Button From Admin Grid In Magento

You can Remove/Rename it by following the steps given below:

Rename ‘Add New’ Button:

Here are the steps to rename the “Add New” text to anything you required (for example, “Add Testimonial”):-

Step 1 : Go to YourNamespace -> YourModule -> Block -> Adminhtml -> YourFile.php
Step 2 : Add the following code in the constructor of this file:-
Step 3 : $this->_addButtonLabel = Mage::helper(‘yourmodulename’)->__(‘Add Testimonial’);

You are done.

Remove “Add New” button :

Here are the steps to remove the “Add New” button

Step 1 : Go to YourNamespace -> YourModule -> Block -> Adminhtml -> YourFile.php
Step 2 : Add the following code in the constructor of this file (it should be just below the call to parent constructor):-
Step 3 : parent::__construct();
Step 4 : $this->_removeButton(‘add’);
Step 5 : Refresh the Magento Cache and you will see the changes in your extension.