How to remove home link from secondary navigation?

Hi,

I’m doing a website using Pytheas theme https://www.wpexplorer.com/pytheas-free-wordpress-theme/

There’s two navigations on theme, header and footer navigation.

I put custom logo on theme’s own Theme Options section and lost the Home buttom from main_menu. I added it by using this code:

<?php
// Filter wp_nav_menu() to add additional links and other output
function new_nav_menu_items($items) {
	$homelink = '<li class="home"><a href="' . home_url( '/' ) . '">' . __('Etusivu') . '</a>';
	$items = $homelink . $items;
	return $items;
}
add_filter( 'wp_nav_menu_items', 'new_nav_menu_items' );

Now Home link shows also in footer navigation, but I need to remove it from there.

How do I remove it?

In header navigation code is like that:

<nav id="navigation" class="clearfix">

        <?php
// Filter wp_nav_menu() to add additional links and other output
function new_nav_menu_items($items) {
	$homelink = '<li class="home"><a href="' . home_url( '/' ) . '">' . __('Etusivu') . '</a>';
	$items = $homelink . $items;
	return $items;
}
add_filter( 'wp_nav_menu_items', 'new_nav_menu_items' );

		//output main navigation menu
			wp_nav_menu( array(
				'theme_location' => 'main_menu',
				'sort_column' => 'menu_order',
				'menu_class' => 'sf-menu',
				'fallback_cb' => false
			)); ?>

       </nav>

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