diff --git a/mod/forum/lib.php b/mod/forum/lib.php
index 1f6160deae2..5b08c41b4e8 100644
--- a/mod/forum/lib.php
+++ b/mod/forum/lib.php
@@ -4354,16 +4354,13 @@ function forum_add_attachment($post, $forum, $cm, $mform=null, $unused=null) {
 /**
  * Add a new post in an existing discussion.
  *
- * @global object
- * @global object
- * @global object
- * @param object $post
- * @param mixed $mform
- * @param string $unused formerly $message, renamed in 2.8 as it was unused.
+ * @param   stdClass    $post       The post data
+ * @param   mixed       $mform      The submitted form
+ * @param   string      $unused
  * @return int
  */
 function forum_add_new_post($post, $mform, $unused = null) {
-    global $USER, $CFG, $DB;
+    global $USER, $DB;
 
     $discussion = $DB->get_record('forum_discussions', array('id' => $post->discussion));
     $forum      = $DB->get_record('forum', array('id' => $discussion->forum));
@@ -4402,18 +4399,15 @@ function forum_add_new_post($post, $mform, $unused = null) {
 }
 
 /**
- * Update a post
+ * Update a post.
  *
- * @global object
- * @global object
- * @global object
- * @param object $post
- * @param mixed $mform
- * @param string $message
- * @return bool
+ * @param   stdClass    $post       The post to update
+ * @param   mixed       $mform      The submitted form
+ * @param   string      $unused
+ * @return  bool
  */
-function forum_update_post($post, $mform, &$message) {
-    global $USER, $CFG, $DB;
+function forum_update_post($post, $mform, $unused = null) {
+    global $DB;
 
     $discussion = $DB->get_record('forum_discussions', array('id' => $post->discussion));
     $forum      = $DB->get_record('forum', array('id' => $discussion->forum));
@@ -4442,7 +4436,7 @@ function forum_update_post($post, $mform, &$message) {
 
     $DB->update_record('forum_discussions', $discussion);
 
-    forum_add_attachment($post, $forum, $cm, $mform, $message);
+    forum_add_attachment($post, $forum, $cm, $mform);
 
     if (forum_tp_can_track_forums($forum) && forum_tp_is_tracked($forum)) {
         forum_tp_mark_post_read($post->userid, $post, $post->forum);
diff --git a/mod/forum/post.php b/mod/forum/post.php
index 653fe365ee8..1933800e6fe 100644
--- a/mod/forum/post.php
+++ b/mod/forum/post.php
@@ -729,7 +729,7 @@ if ($mform_post->is_cancelled()) {
         }
         $updatepost = $fromform; //realpost
         $updatepost->forum = $forum->id;
-        if (!forum_update_post($updatepost, $mform_post, $message)) {
+        if (!forum_update_post($updatepost, $mform_post)) {
             print_error("couldnotupdate", "forum", $errordestination);
         }
 
@@ -741,10 +741,10 @@ if ($mform_post->is_cancelled()) {
         }
 
         if ($realpost->userid == $USER->id) {
-            $message .= '<br />'.get_string("postupdated", "forum");
+            $message .= get_string("postupdated", "forum");
         } else {
             $realuser = $DB->get_record('user', array('id' => $realpost->userid));
-            $message .= '<br />'.get_string("editedpostupdated", "forum", fullname($realuser));
+            $message .= get_string("editedpostupdated", "forum", fullname($realuser));
         }
 
         $subscribemessage = forum_post_subscription($fromform, $forum, $discussion);
@@ -790,7 +790,7 @@ if ($mform_post->is_cancelled()) {
         $message = '';
         $addpost = $fromform;
         $addpost->forum=$forum->id;
-        if ($fromform->id = forum_add_new_post($addpost, $mform_post, $message)) {
+        if ($fromform->id = forum_add_new_post($addpost, $mform_post)) {
             $subscribemessage = forum_post_subscription($fromform, $forum, $discussion);
 
             if (!empty($fromform->mailnow)) {
@@ -903,7 +903,7 @@ if ($mform_post->is_cancelled()) {
 
             $discussion->groupid = $group;
             $message = '';
-            if ($discussion->id = forum_add_discussion($discussion, $mform_post, $message)) {
+            if ($discussion->id = forum_add_discussion($discussion, $mform_post)) {
 
                 $params = array(
                     'context' => $modcontext,