diff --git a/wp-includes/deprecated.php b/wp-includes/deprecated.php
index 6a9d3f4864..ce7add997c 100644
--- a/wp-includes/deprecated.php
+++ b/wp-includes/deprecated.php
@@ -1234,4 +1234,33 @@ function get_author_rss_link($echo = false, $author_id = 1, $deprecated = '') {
 	return $link;
 }
 
+/**
+ * comments_rss() - Return link to the post RSS feed 
+ *
+ * @since 1.5
+ * @deprecated Use get_post_comments_feed_link()
+ * @see get_post_comments_feed_link()
+ *
+ * @param string $deprecated Not used
+ * @return string
+ */
+function comments_rss($deprecated = '') {
+	_deprecated_function(__FUNCTION__, '2.2', 'get_post_comments_feed_link()');
+	return get_post_comments_feed_link();
+}
+
+/**
+ * create_user() - An alias of wp_create_user().
+ * @param string $username The user's username.
+ * @param string $password The user's password.
+ * @param string $email The user's email (optional).
+ * @return int The new user's ID.
+ * @deprecated Use wp_create_user()
+ * @see wp_create_user()
+ */
+function create_user($username, $password, $email) {
+	_deprecated_function( __FUNCTION__, '2.0', 'wp_create_user()' );
+	return wp_create_user($username, $password, $email);
+}
+
 ?>
\ No newline at end of file
diff --git a/wp-includes/feed-rss2.php b/wp-includes/feed-rss2.php
index 29da8a47f4..4213130623 100644
--- a/wp-includes/feed-rss2.php
+++ b/wp-includes/feed-rss2.php
@@ -48,7 +48,7 @@ $more = 1;
 		<content:encoded><![CDATA[<?php the_excerpt_rss() ?>]]></content:encoded>
 	<?php endif; ?>
 <?php endif; ?>
-		<wfw:commentRss><?php echo comments_rss(); ?></wfw:commentRss>
+		<wfw:commentRss><?php echo get_post_comments_feed_link(); ?></wfw:commentRss>
 <?php rss_enclosure(); ?>
 	<?php do_action('rss2_item'); ?>
 	</item>
diff --git a/wp-includes/feed.php b/wp-includes/feed.php
index 6bf13cffe2..7816398886 100644
--- a/wp-includes/feed.php
+++ b/wp-includes/feed.php
@@ -97,10 +97,6 @@ function comment_text_rss() {
 	echo $comment_text;
 }
 
-function comments_rss($deprecated = '') {
-	return get_post_comments_feed_link();
-}
-
 function get_the_category_rss($type = 'rss') {
 	$categories = get_the_category();
 	$tags = get_the_tags();
diff --git a/wp-includes/registration.php b/wp-includes/registration.php
index 769f0a588e..041e8fc2c7 100644
--- a/wp-includes/registration.php
+++ b/wp-includes/registration.php
@@ -177,7 +177,7 @@ function wp_update_user($userdata) {
 
 /**
  * A simpler way of inserting an user into the database.
- * See also: wp_insert_user().
+ * @see wp_insert_user().
  * @global object $wpdb WordPress database layer.
  * @param string $username The user's username.
  * @param string $password The user's password.
@@ -195,16 +195,4 @@ function wp_create_user($username, $password, $email = '') {
 	return wp_insert_user($userdata);
 }
 
-/**
- * An alias of wp_create_user().
- * @param string $username The user's username.
- * @param string $password The user's password.
- * @param string $email The user's email (optional).
- * @return int The new user's ID.
- * @deprecated
- */
-function create_user($username, $password, $email) {
-	return wp_create_user($username, $password, $email);
-}
-
 ?>