diff --git a/main/inc/lib/add_course.lib.inc.php b/main/inc/lib/add_course.lib.inc.php
index d1638ad350..f63ed99042 100644
--- a/main/inc/lib/add_course.lib.inc.php
+++ b/main/inc/lib/add_course.lib.inc.php
@@ -1410,7 +1410,10 @@ function create_course_tables($course_db_name = null) {
 
     $sql = "ALTER TABLE `$TABLELPITEM` ADD INDEX (lp_id)";
     Database::query($sql);
-
+    
+    /*$sql = "ALTER TABLE $TABLELPITEM ADD INDEX idx_c_lp_item_cid_lp_id (c_id, lp_id)";
+    Database::query($sql);*/
+    
     $sql = "CREATE TABLE IF NOT EXISTS `$TABLELPITEMVIEW` (
     	$add_to_all_tables
     	" .
@@ -1436,7 +1439,11 @@ function create_course_tables($course_db_name = null) {
 
     $sql = "ALTER TABLE `$TABLELPITEMVIEW` ADD INDEX (lp_view_id) ";
     Database::query($sql);
-
+    
+    /*$sql = "ALTER TABLE $TABLELPITEMVIEW ADD INDEX idx_c_lp_item_view_cid_lp_view_id_lp_item_id (c_id, lp_view_id, lp_item_id) ";
+    Database::query($sql);*/
+    
+    
     $sql = "CREATE TABLE IF NOT EXISTS `$TABLELPIVINTERACTION`(
     	 $add_to_all_tables" .
         "id             bigint unsigned     auto_increment," .