diff --git a/course/format/lams/format.php b/course/format/lams/format.php
index 3fb6f646e95..4b1413c944b 100644
--- a/course/format/lams/format.php
+++ b/course/format/lams/format.php
@@ -3,7 +3,6 @@
 // The main difference is that news forum is replaced by LAMS learner
 // interface.
 
-require_once($CFG->dirroot.'/mod/forum/lib.php');
 require_once($CFG->dirroot.'/mod/lams/constants.php');
 require_once($CFG->dirroot.'/lib/weblib.php');
 
diff --git a/course/format/social/format.php b/course/format/social/format.php
index 2b04117b1c5..4a3566b3a67 100644
--- a/course/format/social/format.php
+++ b/course/format/social/format.php
@@ -2,8 +2,6 @@
       // format.php - course format featuring social forum
       //              included from view.php
 
-    require_once($CFG->dirroot.'/mod/forum/lib.php');
-
     // Bounds for block widths
     // more flexible for theme designers taken from theme config.php
     $lmin = (empty($THEME->block_l_min_width)) ? 100 : $THEME->block_l_min_width;
diff --git a/course/view.php b/course/view.php
index 8aa8663c5d3..2bd82540619 100644
--- a/course/view.php
+++ b/course/view.php
@@ -6,6 +6,7 @@
     require_once('lib.php');
     require_once($CFG->libdir.'/blocklib.php');
     require_once($CFG->libdir.'/ajax/ajaxlib.php');
+    require_once($CFG->dirroot.'/mod/forum/lib.php');
 
     $id          = optional_param('id', 0, PARAM_INT);
     $name        = optional_param('name', '', PARAM_RAW);