WordPress Tidy Up

actions.php

remove_action( 'wp_head', 'feed_links', 2 );
remove_action( 'wp_head', 'feed_links_extra', 3 );

remove_action( 'wp_head', 'rsd_link', 10 );
remove_action( 'wp_head', 'wlwmanifest_link', 10 );
remove_action( 'wp_head', 'adjacent_posts_rel_link_wp_head', 10 );
remove_action( 'wp_head', 'locale_stylesheet', 10 );
remove_action( 'wp_head', 'wp_generator', 10 );
remove_action( 'wp_head', 'rel_canonical', 10 );


function theme_remove_recent_comment_style() {
	global $wp_widget_factory;
	remove_action( 
            'wp_head', 
            array( $wp_widget_factory->widgets['WP_Widget_Recent_Comments'], 'recent_comments_style' ) 
        );
}
add_action( 'widgets_init', 'theme_remove_recent_comment_style' );


/**
 * Disable the emoji's
 * 
 * via: https://wordpress.org/plugins/disable-emojis/
 */
function dj_disable_emojis() {
	remove_action( 'wp_head', 'print_emoji_detection_script', 7 );
	remove_action( 'admin_print_scripts', 'print_emoji_detection_script' );
	remove_action( 'wp_print_styles', 'print_emoji_styles' );
	remove_action( 'admin_print_styles', 'print_emoji_styles' );	
	remove_filter( 'the_content_feed', 'wp_staticize_emoji' );
	remove_filter( 'comment_text_rss', 'wp_staticize_emoji' );	
	remove_filter( 'wp_mail', 'wp_staticize_emoji_for_email' );
	add_filter( 'tiny_mce_plugins', 'dj_disable_emojis_tinymce' );
}
add_action( 'init', 'dj_disable_emojis' );

/**
 * Filter function used to remove the tinymce emoji plugin.
 * 
 * @param    array  $plugins  
 * @return   array             Difference betwen the two arrays
 */
function dj_disable_emojis_tinymce( $plugins ) {
	if ( is_array( $plugins ) ) {
		return array_diff( $plugins, array( 'wpemoji' ) );
	} else {
		return array();
	}
}

filters.php

/**
 * 
 * @since 2.3.2
 */
function wp_remove_versioning( $src ) {
	if ( preg_match('/maps\.google/', $src ) )
		return $src;
	
	return array_shift( explode( '?', $src ) );
}
add_filter( 'script_loader_src', 'wp_remove_versioning' );
add_filter( 'style_loader_src', 'wp_remove_versioning' );