diff --git a/wp-includes/classes.php b/wp-includes/classes.php
index 0ff5a4d39c..6f19c42ec7 100644
--- a/wp-includes/classes.php
+++ b/wp-includes/classes.php
@@ -1697,102 +1697,4 @@ class WP_MatchesMapRegex {
 
 }
 
-// A factory and constructor that upgrades stdClass "rows" to WordPress classes.
-class wp_row {
-	// Factory. Call statically to upgrade a stdClass object to its specialized class: $o = wp_row::get($row).
-	function get($row) {
-		if ( is_a($row, 'wp_row') || is_subclass_of($row, 'wp_row') )
-			return $row;
-
-		if ( is_array($row) )
-			$row = (object) $row;
-
-		$class = 'wp_row';
-		if ( isset($row->post_type) ) {
-			if ( class_exists("wp_" . $row->post_type) )
-				$class = "wp_" . $row->post_type;
-			else
-				$class = "wp_post";
-		} elseif ( isset($row->comment_type) ) {
-			if ( class_exists("wp_" . $row->comment_type) )
-				$class = "wp_" . $row->comment_type;
-			else
-				$class = "wp_comment";
-		}
-
-		if ( function_exists("apply_filters") ) {
-			$filtered_class = apply_filters("wp_row_class", $class, $row);
-			if ( class_exists($filtered_class) )
-				$class = $filtered_class;
-		}
-
-		return call_user_func(array($class, 'get'), $row);
-	}
-
-	function wp_row(&$row) {
-		return $this->__construct($row);
-	}
-
-	function __construct($row) {
-		if ( is_array($row) )
-			$row = (object) $row;
-
-		foreach ( (array) $row as $k => $v )
-			$this->$k = $row->$k;
-	}
-}
-
-class wp_post extends wp_row {
-	// Factory
-	function get($post) {
-		if ( $post = get_post($post) )
-			return new wp_post($post);
-		else
-			return new WP_Error(404, "Post not found.");
-	}
-
-	function id() { return $this->ID; }
-	function post_id() { return $this->ID; }
-	function type_id() { return 'post-' . $this->ID; }
-	function classes($class='') { return join( ' ', get_post_class( $class, $this->id() ) ); }
-
-	function permalink() { return get_permalink($this); }
-	function title() { return get_the_title($this); }
-	function date($format='') { return; }
-	function time($format='') { return get_the_time($format, $this); }
-	function author() { $authordata = get_userdata($this->post_author); return $authordata->display_name; }
-	function content() { return get_content($this); }
-}
-
-class wp_comment extends wp_row {
-	// Factory
-	function get($comment) {
-		if ( $comment = get_comment($comment) )
-			return new wp_comment($comment);
-		else
-			return new WP_Error(404, "Comment not found.");
-	}
-
-	function id() { return $this->comment_ID; }
-	function post_id() { return $this->comment_post_ID; }
-	function type_id() { return 'comment-' . $this->comment_ID; }
-	function classes($class='') { return join( ' ', get_comment_class( $class, $this->id() ) ); }
-
-	function permalink() { return get_comment_link($this); }
-	function title() { return sprintf(__("Comment on %s"), get_the_title($this->post_id())); }
-	function time($format='') { return mysql2date($format?$format:get_option('time_format'), $this->comment_date); }
-	function date($format='') { return date($format?$format:get_option('date_format'), $this->time('U')); }
-	function author() { return $this->comment_author; }
-	function excerpt() { return $this->comment_content; }
-	function content() { return get_comment_content($this); }
-}
-
-function is_post($object) {
-	return is_a('wp_post', $object);
-}
-
-function is_comment($object) {
-	return is_a('wp_comment', $object);
-}
-
 ?>
diff --git a/wp-includes/custom-navigation.php b/wp-includes/custom-navigation.php
index 5fb4abf34f..37b7e47aed 100644
--- a/wp-includes/custom-navigation.php
+++ b/wp-includes/custom-navigation.php
@@ -203,7 +203,6 @@ function wp_custom_navigation_output( $args = array() ) {
 
 						?></a><?php
 					} elseif ( $type == 'backend' ) {
-						//BACKEND draggable and droppable elements
 						$link_type = $menu_type;
 						?>
 
diff --git a/wp-includes/query.php b/wp-includes/query.php
index fbd85f2e6e..ec730daefe 100644
--- a/wp-includes/query.php
+++ b/wp-includes/query.php
@@ -2302,10 +2302,6 @@ class WP_Query {
 		if ( !$q['suppress_filters'] )
 			$this->posts = apply_filters('posts_results', $this->posts);
 
-		// Turn each row into a classed object, e.g. wp_post, wp_comment.
-		if ( is_array($this->posts) )
-			$this->posts = array_map(array('wp_row', 'get'), $this->posts);
-
 		if ( !empty($this->posts) && $this->is_comment_feed && $this->is_singular ) {
 			$cjoin = apply_filters('comment_feed_join', '');
 			$cwhere = apply_filters('comment_feed_where', "WHERE comment_post_ID = '{$this->posts[0]->ID}' AND comment_approved = '1'");