blox_disable_content_blocks.php

<?php
// Do NOT include the opening php tag shown above. Copy the code shown below.

// To use this filter, it needs to be added to your functions.php file
add_filter( 'blox_disable_content_blocks', 'disable_landingpage_blocks', 10, 5 );
/**
 *
 * @param bol $disable      The disable test, defaults to false
 * @param string $postition The position hook of the block
 * @param string $id        The id of the block
 * @param array $block      An array of all the block's settings/content
 * @param bol $global       Indicates whether the block is Global or Local
 */
function disable_landingpage_blocks( $disable, $position, $id, $block, $global ) {
	if ( is_page_template( 'page_landing.php' ) && $position == 'genesis_after_header' ) {
		return true;
	}
}