diff --git a/modules/field/modules/list/tests/list_test.module b/modules/field/modules/list/tests/list_test.module
index 2d25daafe1e..aa5333779e8 100644
--- a/modules/field/modules/list/tests/list_test.module
+++ b/modules/field/modules/list/tests/list_test.module
@@ -8,7 +8,7 @@
 /**
  * Allowed values callback.
  */
-function list_test_allowed_values_callback($field, $instance, $entity_type, $entity) {
+function list_test_allowed_values_callback($field) {
   $values = array(
     'Group 1' => array(
       0 => 'Zero',
diff --git a/modules/taxonomy/taxonomy.module b/modules/taxonomy/taxonomy.module
index ad3f19aadb2..981649d2aca 100644
--- a/modules/taxonomy/taxonomy.module
+++ b/modules/taxonomy/taxonomy.module
@@ -1493,7 +1493,7 @@ function taxonomy_field_widget_info_alter(&$info) {
  */
 function taxonomy_options_list($field, $instance, $entity_type, $entity) {
   $function = !empty($field['settings']['options_list_callback']) ? $field['settings']['options_list_callback'] : 'taxonomy_allowed_values';
-  return $function($field, $instance, $entity_type, $entity);
+  return $function($field);
 }
 
 /**
@@ -1646,20 +1646,10 @@ function taxonomy_field_formatter_view($entity_type, $entity, $field, $instance,
  *
  * @param $field
  *   The field definition.
- * @param $instance
- *   The instance definition. It is recommended to only use instance level
- *   properties to filter out values from a list defined by field level
- *   properties.
- * @param $entity_type
- *   The entity type the field is attached to.
- * @param $entity
- *   The entity object the field is attached to, or NULL if no entity
- *   exists (e.g. in field settings page).
- *
  * @return
  *   The array of valid terms for this field, keyed by term id.
  */
-function taxonomy_allowed_values($field, $instance, $entity_type, $entity) {
+function taxonomy_allowed_values($field) {
   $options = array();
   foreach ($field['settings']['allowed_values'] as $tree) {
     if ($vocabulary = taxonomy_vocabulary_machine_name_load($tree['vocabulary'])) {