Remove unwanted menu items from main blog in WP multisite

remove_menu_items.php

function remove_menus() {

	global $blog_id, $menu;

	if ( $blog_id == '1' ) {

		$restricted = array( 'Plans', 'Providers' );

		end( $menu );

		while ( prev( $menu ) ) {
		    
			$value = explode( ' ', $menu[ key( $menu ) ][0] );
			
			if ( in_array( $value[0] != null ? $value[0] : "", $restricted ) ) {
			    
				unset( $menu[ key( $menu ) ] );
				
			}
		}

	}
}

add_action('admin_menu', 'remove_menus');