Issue #3185060: Call to undefined method in images of media field

image_field_caption.module

@@ -5,12 +5,11 @@
  * Provides a caption textarea for image fields.
  */
 
+use Drupal\Component\Utility\NestedArray;
 use Drupal\Core\Entity\EntityInterface;
 use Drupal\Core\Entity\FieldableEntityInterface;
 use Drupal\Core\Field\FieldDefinitionInterface;
 use Drupal\Core\Form\FormStateInterface;
-use Drupal\image_field_caption\ImageCaptionStorage;
-use Drupal\Component\Utility\NestedArray;
 
 // @todo Support for Views, maybe built in in D8?
 // @todo Support the revision management.
@@ -45,21 +44,6 @@ function image_field_caption_field_widget_form_alter(&$element, FormStateInterfa
  * Custom callback function for the #process of an image field type.
  */
 function _image_field_caption_widget_process($element, &$form_state, $form) {
-  // Get the entity.
-  $entity = $form_state->getFormObject()->getEntity();
-  // Get the fields definitions.
-  $field_definitions = $entity->getFieldDefinitions();
-  // Get the current field definition.
-  if (!empty($field_definitions[$element['#field_name']])) {
-    $field_definition = $field_definitions[$element['#field_name']];
-  }
-  elseif (!empty($field_definitions[$element['#field_parents'][0]])) {
-    $field_definition = $field_definitions[$element['#field_parents'][0]];
-  }
-  else {
-    $field_definition = NULL;
-  }
-
   // Get the current field values (form state).
   $field_values = $form_state->getValues();
   // If the field has parents (ex: paragraphs) then get the nested values.