Hide unused post formats in WordPress 3.6.

wp-hide-formats.php

<?php

/*
Plugin Name: AK.org Hide Post Format Tabs
Plugin URI: https://gist.github.com/alexkingorg/5557869
Description: Reduce the footprint of the post format tabs in the WordPress admin UI.
Version: 1.0
Author: Alex King
Author URI: http://alexking.org
License: GPL2
*/

function akv3_remove_format_tabs() {
?>
<script type="text/javascript">
jQuery(function($) {
	// SET THIS TO YOUR UNUSED FORMATS
	// image, gallery, link, video, audio, chat, status, quote, aside
	var unusedFormats = ['aside', 'chat', 'audio'];
	$('.post-format-options a').each(function() {
		var format = $(this).data('wp-format');
		if ($.inArray(format, unusedFormats) !== -1) {
			$(this).remove();
		}
	});
});
</script>
<?php
}
add_action('admin_head-post.php', 'akv3_remove_format_tabs');
add_action('admin_head-post-new.php', 'akv3_remove_format_tabs');