diff --git a/ProductComment.php b/ProductComment.php
index f3fc56a..53cca30 100644
--- a/ProductComment.php
+++ b/ProductComment.php
@@ -438,6 +438,8 @@ public static function deleteUsefulness($id_product_comment)
      * Report comment
      *
      * @return bool
+     *
+     * @deprecated 4.0.0 - migrated to controllers/front/ReportComment and src/Entity/ProductCommentReport
      */
     public static function reportComment($id_product_comment, $id_customer)
     {
@@ -450,6 +452,8 @@ public static function reportComment($id_product_comment, $id_customer)
      * Comment already report
      *
      * @return bool
+     *
+     * @deprecated 4.0.0 - migrated to controllers/front/ReportComment and src/Entity/ProductCommentReport
      */
     public static function isAlreadyReport($id_product_comment, $id_customer)
     {
@@ -464,6 +468,8 @@ public static function isAlreadyReport($id_product_comment, $id_customer)
      * Set comment usefulness
      *
      * @return bool
+     *
+     * @deprecated 4.0.0 - migrated to controllers/front/UpdateCommentUsefulness and src/Entity/ProductCommentUsefulness
      */
     public static function setCommentUsefulness($id_product_comment, $usefulness, $id_customer)
     {
@@ -476,6 +482,8 @@ public static function setCommentUsefulness($id_product_comment, $usefulness, $i
      * Usefulness already set
      *
      * @return bool
+     *
+     * @deprecated 4.0.0 - migrated to controllers/front/UpdateCommentUsefulness and src/Entity/ProductCommentUsefulness
      */
     public static function isAlreadyUsefulness($id_product_comment, $id_customer)
     {
diff --git a/ProductCommentCriterion.php b/ProductCommentCriterion.php
index 7e412aa..0a73991 100644
--- a/ProductCommentCriterion.php
+++ b/ProductCommentCriterion.php
@@ -47,6 +47,9 @@ class ProductCommentCriterion extends ObjectModel
         ],
     ];
 
+    /**
+     * @deprecated 6.0.0 - migrated to src/Repository/ProductCommentCriterionRepository
+     */
     public function delete()
     {
         if (!parent::delete()) {
@@ -96,6 +99,8 @@ public function update($nullValues = false)
      * Link a Comment Criterion to a product
      *
      * @return bool succeed
+     *
+     * @deprecated 6.0.0 - migrated to src/Repository/ProductCommentCriterionRepository
      */
     public function addProduct($id_product)
     {
@@ -113,6 +118,8 @@ public function addProduct($id_product)
      * Link a Comment Criterion to a category
      *
      * @return bool succeed
+     *
+     * @deprecated 6.0.0 - migrated to src/Repository/ProductCommentCriterionRepository
      */
     public function addCategory($id_category)
     {
diff --git a/upgrade/install-6.0.3.php b/upgrade/install-6.0.3.php
index cdb05fb..b32ad47 100644
--- a/upgrade/install-6.0.3.php
+++ b/upgrade/install-6.0.3.php
@@ -27,7 +27,7 @@
     exit;
 }
 
-function upgrade_module_6_0_1($object)
+function upgrade_module_6_0_3($object)
 {
     return Db::getInstance()->execute('ALTER TABLE `' . _DB_PREFIX_ . 'product_comment` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci')
         && Db::getInstance()->execute('ALTER TABLE `' . _DB_PREFIX_ . 'product_comment_criterion` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci')