functions.php

<?php
// Stop the original header function from being loaded
remove_action( 'after_setup_theme', 'newgamer_custom_header_setup' );

// Create our own header function
function childtheme_custom_header_setup() {
	$args = array(

		// Set height and width, with a maximum value for the width.
		'height'                 => 82,
		'width'                  => 610,
		'max-width'              => 610,
                'header-text'            => false,

		// Support flexible height and width.
		'flex-height'            => false,
		'flex-width'             => false,

		// Random image rotation off by default.
		'random-default'         => false,

	        'uploads'                => true,
	        'wp-head-callback'       => '',
	        'admin-head-callback'    => '',
	        'admin-preview-callback' => '',
	);

}

// Load the custom child theme header function
add_action( 'after_setup_theme', 'childtheme_custom_header_setup' );

?>