diff --git a/src/wp-content/themes/twentysixteen/css/editor-blocks.css b/src/wp-content/themes/twentysixteen/css/editor-blocks.css
index 4135fbb9b97ef..0ab68afe8a930 100644
--- a/src/wp-content/themes/twentysixteen/css/editor-blocks.css
+++ b/src/wp-content/themes/twentysixteen/css/editor-blocks.css
@@ -617,7 +617,7 @@ figure[class*="wp-block-"] > figcaption {
 
 /* Latest Comments */
 
-.editor-block-list__block .wp-block-latest-comments__comment-meta a {
+.editor-styles-wrapper .wp-block-latest-comments__comment-meta a {
 	box-shadow: none;
 	font-weight: 700;
 	text-decoration: none;
@@ -631,7 +631,7 @@ figure[class*="wp-block-"] > figcaption {
 	line-height: 1.6153846154;
 }
 
-.wp-block-latest-comments .wp-block-latest-comments__comment {
+.wp-block-latest-comments .wp-block-latest-comments__comment:not(:first-child) {
 	border-top: 1px solid #d1d1d1;
 	margin-bottom: 0;
 	padding: 1.75em 0;
diff --git a/src/wp-content/themes/twentythirteen/css/editor-blocks.css b/src/wp-content/themes/twentythirteen/css/editor-blocks.css
index d92efb9754ba8..1aa453dfa8886 100644
--- a/src/wp-content/themes/twentythirteen/css/editor-blocks.css
+++ b/src/wp-content/themes/twentythirteen/css/editor-blocks.css
@@ -437,7 +437,7 @@ p.has-drop-cap:not(:focus)::first-letter {
 	font-size: 16px;
 }
 
-.wp-block-latest-comments .wp-block-latest-comments__comment {
+.wp-block-latest-comments .wp-block-latest-comments__comment:not(:first-child) {
 	background: url(../images/dotted-line.png) repeat-x left top;
 	margin-bottom: 0;
 	padding: 24px 0;