diff --git a/wp-admin/css/colors-classic.css b/wp-admin/css/colors-classic.css
index 570bc411c1..54e1ed07c0 100644
--- a/wp-admin/css/colors-classic.css
+++ b/wp-admin/css/colors-classic.css
@@ -1626,7 +1626,6 @@ a.post-state-format,
 /* Diff */
 table.diff .diff-deletedline {
 	background-color: #fdd;
-	text-decoration: line-through;
 	border-color: #ffc0c0;
 }
 
diff --git a/wp-admin/css/colors-fresh.css b/wp-admin/css/colors-fresh.css
index 12c1ddc473..3a1792ce78 100644
--- a/wp-admin/css/colors-fresh.css
+++ b/wp-admin/css/colors-fresh.css
@@ -1520,7 +1520,6 @@ a.post-state-format,
 /* Diff */
 table.diff .diff-deletedline {
 	background-color: #fdd;
-	text-decoration: line-through;
 	border-color: #ffc0c0;
 }