diff --git a/src/wp-includes/functions.php b/src/wp-includes/functions.php
index 6c5184f697..8a91d152bf 100644
--- a/src/wp-includes/functions.php
+++ b/src/wp-includes/functions.php
@@ -582,18 +582,44 @@ function get_weekstartend( $mysqlstring, $start_of_week = '' ) {
 }
 
 /**
- * Unserialize value only if it was serialized.
+ * Serialize data, if needed.
+ *
+ * @since 2.0.5
+ *
+ * @param string|array|object $data Data that might be serialized.
+ * @return mixed A scalar data.
+ */
+function maybe_serialize( $data ) {
+	if ( is_array( $data ) || is_object( $data ) ) {
+		return serialize( $data );
+	}
+
+	/*
+	 * Double serialization is required for backward compatibility.
+	 * See https://core.trac.wordpress.org/ticket/12930
+	 * Also the world will end. See WP 3.6.1.
+	 */
+	if ( is_serialized( $data, false ) ) {
+		return serialize( $data );
+	}
+
+	return $data;
+}
+
+/**
+ * Unserialize data only if it was serialized.
  *
  * @since 2.0.0
  *
- * @param string $original Maybe unserialized original, if is needed.
+ * @param string $data Data that might be unserialized.
  * @return mixed Unserialized data can be any type.
  */
-function maybe_unserialize( $original ) {
-	if ( is_serialized( $original ) ) { // Don't attempt to unserialize data that wasn't serialized going in.
-		return @unserialize( $original );
+function maybe_unserialize( $data ) {
+	if ( is_serialized( $data ) ) { // Don't attempt to unserialize data that wasn't serialized going in.
+		return @unserialize( $data );
 	}
-	return $original;
+
+	return $data;
 }
 
 /**
@@ -695,31 +721,6 @@ function is_serialized_string( $data ) {
 	}
 }
 
-/**
- * Serialize data, if needed.
- *
- * @since 2.0.5
- *
- * @param string|array|object $data Data that might be serialized.
- * @return mixed A scalar data
- */
-function maybe_serialize( $data ) {
-	if ( is_array( $data ) || is_object( $data ) ) {
-		return serialize( $data );
-	}
-
-	/*
-	 * Double serialization is required for backward compatibility.
-	 * See https://core.trac.wordpress.org/ticket/12930
-	 * Also the world will end. See WP 3.6.1.
-	 */
-	if ( is_serialized( $data, false ) ) {
-		return serialize( $data );
-	}
-
-	return $data;
-}
-
 /**
  * Retrieve post title from XMLRPC XML.
  *