diff --git a/admin/class-sitemaps-admin.php b/admin/class-sitemaps-admin.php
index 15d5b90d126..d2f1fb66fad 100644
--- a/admin/class-sitemaps-admin.php
+++ b/admin/class-sitemaps-admin.php
@@ -26,9 +26,11 @@ function delete_sitemaps() {
 		if ( $options['enablexmlsitemap'] === true ) {
 
 			$file_to_check_for = array(
-				// ABSPATH . 'sitemap.xml',
-				// ABSPATH . 'sitemap.xslt',
-				// ABSPATH . 'sitemap.xsl',
+				/**
+				 * ABSPATH . 'sitemap.xml',
+				 * ABSPATH . 'sitemap.xslt',
+				 * ABSPATH . 'sitemap.xsl',
+				 */
 				ABSPATH . 'sitemap_index.xml',
 			);
 
@@ -56,7 +58,6 @@ function delete_sitemaps() {
 	 * @param string   $new_status New post status.
 	 * @param string   $old_status Old post status.
 	 * @param \WP_Post $post       Post object.
-
 	 */
 	function status_transition( $new_status, $old_status, $post ) {
 		if ( $new_status != 'publish' ) {
diff --git a/admin/index.php b/admin/index.php
index 42711ec10ef..e94d9a42cad 100644
--- a/admin/index.php
+++ b/admin/index.php
@@ -1,2 +1,4 @@
 <?php
-//Nothing to see here.
+/**
+ * Nothing to see here.
+ */
diff --git a/css/index.php b/css/index.php
index 42711ec10ef..e94d9a42cad 100644
--- a/css/index.php
+++ b/css/index.php
@@ -1,2 +1,4 @@
 <?php
-//Nothing to see here.
+/**
+ * Nothing to see here.
+ */
diff --git a/frontend/index.php b/frontend/index.php
index 42711ec10ef..e94d9a42cad 100644
--- a/frontend/index.php
+++ b/frontend/index.php
@@ -1,2 +1,4 @@
 <?php
-//Nothing to see here.
+/**
+ * Nothing to see here.
+ */
diff --git a/images/index.php b/images/index.php
index 42711ec10ef..e94d9a42cad 100644
--- a/images/index.php
+++ b/images/index.php
@@ -1,2 +1,4 @@
 <?php
-//Nothing to see here.
+/**
+ * Nothing to see here.
+ */
diff --git a/inc/class-sitemaps.php b/inc/class-sitemaps.php
index ab29aa3620d..44324417721 100644
--- a/inc/class-sitemaps.php
+++ b/inc/class-sitemaps.php
@@ -548,7 +548,6 @@ function build_root_map() {
 				// Must use custom raw query because WP User Query does not support ordering by usermeta.
 				// Retrieve the newest updated profile timestamp overall.
 				// TODO order by usermeta supported since WP 3.7, update implementation? R.
-
 				$date_query = "
 						SELECT mt1.meta_value FROM $wpdb->users
 						INNER JOIN $wpdb->usermeta ON ($wpdb->users.ID = $wpdb->usermeta.user_id)
diff --git a/inc/index.php b/inc/index.php
index 42711ec10ef..e94d9a42cad 100644
--- a/inc/index.php
+++ b/inc/index.php
@@ -1,2 +1,4 @@
 <?php
-//Nothing to see here.
+/**
+ * Nothing to see here.
+ */
diff --git a/inc/wpseo-non-ajax-functions.php b/inc/wpseo-non-ajax-functions.php
index 439a2f6a47c..f71587e14f7 100644
--- a/inc/wpseo-non-ajax-functions.php
+++ b/inc/wpseo-non-ajax-functions.php
@@ -31,8 +31,6 @@ function wpseo_title_test() {
 	);
 	$resp = wp_remote_get( get_bloginfo( 'url' ), $args );
 
-	// echo '<pre>'.$resp['body'].'</pre>';
-
 	if ( ( $resp && ! is_wp_error( $resp ) ) && ( 200 == $resp['response']['code'] && isset( $resp['body'] ) ) ) {
 		$res = preg_match( '`<title>([^<]+)</title>`im', $resp['body'], $matches );
 
@@ -60,8 +58,6 @@ function wpseo_title_test() {
 }
 
 // Commented out? add_filter( 'switch_theme', 'wpseo_title_test', 0 ); R.
-
-
 /**
  * Test whether the active theme contains a <meta> description tag.
  *
diff --git a/index.php b/index.php
index 42711ec10ef..e94d9a42cad 100644
--- a/index.php
+++ b/index.php
@@ -1,2 +1,4 @@
 <?php
-//Nothing to see here.
+/**
+ * Nothing to see here.
+ */
diff --git a/js/index.php b/js/index.php
index 42711ec10ef..e94d9a42cad 100644
--- a/js/index.php
+++ b/js/index.php
@@ -1,2 +1,4 @@
 <?php
-//Nothing to see here.
+/**
+ * Nothing to see here.
+ */
diff --git a/languages/index.php b/languages/index.php
index e3e99d55910..bb46ec4a4b5 100644
--- a/languages/index.php
+++ b/languages/index.php
@@ -1,2 +1,4 @@
 <?php
-//Nothing to see here
+/**
+ * Nothing to see here
+ */