diff --git a/core/modules/path/path.module b/core/modules/path/path.module
index 9b865b6..73e8362 100644
--- a/core/modules/path/path.module
+++ b/core/modules/path/path.module
@@ -63,7 +63,7 @@ function path_field_is_empty($item, $field) {
 /**
  * Implements hook_field_insert().
  */
-function path_field_insert($entity_type, $entity, $field, $instance, $langcode, &$items) {
+function path_field_insert(EntityInterface $entity, $field, $instance, $langcode, &$items) {
   foreach ($items as &$item) {
     $item['value'] = trim($item['value']);
     if (!empty($item['value'])) {
@@ -81,7 +81,7 @@ function path_field_insert($entity_type, $entity, $field, $instance, $langcode,
 /**
  * Implements hook_field_update().
  */
-function path_field_update($entity_type, $entity, $field, $instance, $langcode, &$items) {
+function path_field_update(EntityInterface $entity, $field, $instance, $langcode, &$items) {
   $path_crud = drupal_container()->get('path.crud');
   foreach ($items as &$item) {
     $item['value'] = trim($item['value']);
@@ -123,7 +123,7 @@ function path_field_update($entity_type, $entity, $field, $instance, $langcode,
 /**
  * Implements hook_field_delete().
  */
-function path_field_delete($entity_type, $entity, $field, $instance, $langcode, &$items) {
+function path_field_delete(EntityInterface $entity, $field, $instance, $langcode, &$items) {
   foreach ($items as $item) {
     if (!empty($item['pid'])) {
       drupal_container()->get('path.crud')->delete(array('pid' => $item['pid']));
@@ -252,7 +252,7 @@ function path_entity_delete(EntityInterface $entity) {
 /**
  * Implements hook_path_delete().
  */
-function path_path_delete($path) {
+function path_path_delete(array $path) {
   // EntityFieldQuery does not support field queries across entity types, so
   // iterate over all path field instances individually and update their field
   // values accordingly.