Disable WordPress Emojis

gistfile1.txt

/*
 * Disable emojis. 
 *
 * There have been security issues, plus it simply provides better
 * performance not to load unecessary core crap all the time.
 */
function grd_remove_emoji() {
    remove_action( 'wp_head', 'print_emoji_detection_script', 7 );
    remove_action( 'admin_print_scripts', 'print_emoji_detection_script' );
    remove_action( 'admin_print_styles', 'print_emoji_styles' );
    remove_action( 'wp_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' );

    // Remove from TinyMCE
    add_filter( 'tiny_mce_plugins', 'grd_remove_tinymce_emoji' );
}
add_action( 'init', 'grd_remove_emoji' );

/**
 * Filter out the tinymce emoji plugin.
 */
function grd_remove_tinymce_emoji( $plugins ) { 

    if ( ! is_array( $plugins ) ) { 
        return array();
    }   

    return array_diff( $plugins, array( 'wpemoji' ) );
}