Warning: call_user_func_array()

Get this Warning when in products of WooCommerce 2.3.8

Warning: call_user_func_array() [function.call-user-func-array]: First argument is expected to be a valid callback, ‘disable_emojis_tinymce’ was given in ../../wp-includes/plugin.php on line 213

/* ---------------------------------------------------------------------------
 * Disable the emoji's
 * --------------------------------------------------------------------------- */
 function 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', 'disable_emojis_tinymce' );
}
add_action( 'init', 'disable_emojis' );

https://wordpress.org/plugins/disable-emojis/