diff --git a/src/wp-admin/js/editor.js b/src/wp-admin/js/editor.js
index e2b39ca0a0..3702a770fb 100644
--- a/src/wp-admin/js/editor.js
+++ b/src/wp-admin/js/editor.js
@@ -205,7 +205,7 @@ window.switchEditors = {
 			preserve_br = false,
 			blocklist = 'table|thead|tfoot|caption|col|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select' +
 				'|option|form|map|area|blockquote|address|math|style|p|h[1-6]|hr|fieldset|noscript|legend|section' +
-				'|article|aside|hgroup|header|footer|nav|figure|figcaption|details|menu|summary';
+				'|article|aside|hgroup|header|footer|nav|figure|details|menu|summary';
 
 		if ( pee.indexOf( '<object' ) !== -1 ) {
 			pee = pee.replace( /<object[\s\S]+?<\/object>/g, function( a ) {
diff --git a/src/wp-includes/formatting.php b/src/wp-includes/formatting.php
index f4c762bc86..919336df57 100644
--- a/src/wp-includes/formatting.php
+++ b/src/wp-includes/formatting.php
@@ -234,7 +234,7 @@ function wpautop($pee, $br = true) {
 
 	$pee = preg_replace('|<br />\s*<br />|', "\n\n", $pee);
 	// Space things out a little
-	$allblocks = '(?:table|thead|tfoot|caption|col|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|option|form|map|area|blockquote|address|math|style|p|h[1-6]|hr|fieldset|noscript|legend|section|article|aside|hgroup|header|footer|nav|figure|figcaption|details|menu|summary)';
+	$allblocks = '(?:table|thead|tfoot|caption|col|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|option|form|map|area|blockquote|address|math|style|p|h[1-6]|hr|fieldset|noscript|legend|section|article|aside|hgroup|header|footer|nav|figure|details|menu|summary)';
 	$pee = preg_replace('!(<' . $allblocks . '[^>]*>)!', "\n$1", $pee);
 	$pee = preg_replace('!(</' . $allblocks . '>)!', "$1\n\n", $pee);
 	$pee = str_replace(array("\r\n", "\r"), "\n", $pee); // cross-platform newlines