Index: src/wp-includes/js/wp-emoji.js
===================================================================
--- src/wp-includes/js/wp-emoji.js	(revision 32267)
+++ src/wp-includes/js/wp-emoji.js	(working copy)
@@ -96,7 +96,7 @@
 		 * @param {Object} args Additional options for Twemoji.
 		 */
 		function parse( object, args ) {
-			if ( ! replaceEmoji ) {
+			if ( ! replaceEmoji || object.className.indexOf( 'emoji' ) ) {
 				return object;
 			}
 
@@ -143,9 +143,7 @@
 		 * Initialize our emoji support, and set up listeners.
 		 */
 		if ( settings ) {
-			supportsEmoji = window._wpemojiSettings.supports.simple;
-			supportsFlagEmoji = window._wpemojiSettings.supports.flag;
-			replaceEmoji = ! supportsEmoji || ! supportsFlagEmoji;
+			replaceEmoji = ! settings.supports.simple || ! settings.supports.flag;
 
 			if ( ( ! isIE8 && 'loading' === document.readyState ) || ( isIE8 && 'complete' !== document.readyState ) ) {
 				if ( document.addEventListener ) {