diff --git a/src/DatabaseDriver.php b/src/DatabaseDriver.php
index 81885d02..ede11043 100644
--- a/src/DatabaseDriver.php
+++ b/src/DatabaseDriver.php
@@ -1228,6 +1228,7 @@ public function loadColumn($offset = 0)
      * Method to get the first row of the result set from the database query as an object.
      *
      * @param   string  $class  The class name to use for the returned row object.
+     *                          The $class parameter is deprecated in 4.x and will be removed in 6.0 without a replacement.
      *
      * @return  mixed  The return value or null if the query failed.
      *
@@ -1275,6 +1276,7 @@ public function loadObject($class = \stdClass::class)
      *
      * @param   string  $key    The name of a field on which to key the result array.
      * @param   string  $class  The class name to use for the returned row objects.
+     *                          The $class parameter is deprecated in 4.x and will be removed in 6.0 without a replacement.
      *
      * @return  mixed  The return value or null if the query failed.
      *
diff --git a/src/DatabaseIterator.php b/src/DatabaseIterator.php
index 447c3bb9..4294432b 100644
--- a/src/DatabaseIterator.php
+++ b/src/DatabaseIterator.php
@@ -70,9 +70,11 @@ class DatabaseIterator implements \Countable, \Iterator
      * @param   StatementInterface  $statement  The statement holding the result set to iterate.
      * @param   string              $column     An option column to use as the iterator key.
      * @param   string              $class      The class of object that is returned.
+     *                                          The $class parameter is deprecated in 4.x and will be removed in 6.0
+     *                                          without a replacement.
      *
-     * @since   1.0
      * @throws  \InvalidArgumentException
+     * @since   1.0
      */
     public function __construct(StatementInterface $statement, $column = null, $class = \stdClass::class)
     {