diff --git a/main/inc/lib/course.lib.php b/main/inc/lib/course.lib.php
index 4949a4f218..c289b5a212 100755
--- a/main/inc/lib/course.lib.php
+++ b/main/inc/lib/course.lib.php
@@ -2201,8 +2201,8 @@ class CourseManager
             Database::query($sql);
             $sql = "DELETE FROM $table_stats_online WHERE c_id = $courseId";
             Database::query($sql);
-            $sql = "DELETE FROM $table_stats_default WHERE c_id = $courseId";
-            Database::query($sql);
+            //$sql = "DELETE FROM $table_stats_default WHERE c_id = $courseId";
+            //Database::query($sql);
             $sql = "DELETE FROM $table_stats_downloads WHERE c_id = $courseId";
             Database::query($sql);
             $sql = "DELETE FROM $table_stats_links WHERE c_id = $courseId";