diff --git a/wp-admin/includes/class-wp-comments-list-table.php b/wp-admin/includes/class-wp-comments-list-table.php
index 797936386c..fc7a25a656 100644
--- a/wp-admin/includes/class-wp-comments-list-table.php
+++ b/wp-admin/includes/class-wp-comments-list-table.php
@@ -251,7 +251,6 @@ class WP_Comments_List_Table extends WP_List_Table {
 	function get_sortable_columns() {
 		return array(
 			'author'   => 'comment_author',
-			'comment'  => 'comment_content',
 			'response' => 'comment_post_ID'
 		);
 	}