diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/IntegerItem.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/IntegerItem.php
index 78d5d9e..2c3377a 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/IntegerItem.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/IntegerItem.php
@@ -40,18 +40,6 @@ public static function defaultStorageSettings() {
   /**
    * {@inheritdoc}
    */
-  public static function defaultFieldSettings() {
-    return array(
-      'min' => '',
-      'max' => '',
-      'prefix' => '',
-      'suffix' => '',
-    ) + parent::defaultFieldSettings();
-  }
-
-  /**
-   * {@inheritdoc}
-   */
   public static function propertyDefinitions(FieldStorageDefinitionInterface $field_definition) {
     $properties['value'] = DataDefinition::create('integer')
       ->setLabel(t('Integer value'))
diff --git a/core/modules/field/src/Tests/Migrate/d6/MigrateFieldFormatterSettingsTest.php b/core/modules/field/src/Tests/Migrate/d6/MigrateFieldFormatterSettingsTest.php
index d901142..191629c 100644
--- a/core/modules/field/src/Tests/Migrate/d6/MigrateFieldFormatterSettingsTest.php
+++ b/core/modules/field/src/Tests/Migrate/d6/MigrateFieldFormatterSettingsTest.php
@@ -74,7 +74,6 @@ public function testEntityDisplaySettings() {
     $expected['type'] = 'number_integer';
     $expected['settings'] = array(
       'thousand_separator' => ',',
-      'prefix_suffix' => TRUE,
       'format_plural' => 'none',
       'format_plural_string' => '',
     );
@@ -86,7 +85,6 @@ public function testEntityDisplaySettings() {
        'scale' => 2,
        'decimal_separator' => '.',
        'thousand_separator' => ',',
-       'prefix_suffix' => TRUE,
        'format_plural' => 'none',
        'format_plural_string' => '',
     );
diff --git a/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_nid_argument.yml b/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_nid_argument.yml
index b61f1ad..c6b5b1c 100644
--- a/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_nid_argument.yml
+++ b/core/modules/node/tests/modules/node_test_views/test_views/views.view.test_nid_argument.yml
@@ -106,7 +106,7 @@ display:
           type: number_integer
           settings:
             thousand_separator: ''
-            prefix_suffix: true
+            format_plural: 'field'
           group_column: value
           group_columns: {  }
           group_rows: true
diff --git a/core/modules/taxonomy/tests/modules/taxonomy_test_views/test_views/views.view.test_taxonomy_term_relationship.yml b/core/modules/taxonomy/tests/modules/taxonomy_test_views/test_views/views.view.test_taxonomy_term_relationship.yml
index 96d0559..a99eb9a 100644
--- a/core/modules/taxonomy/tests/modules/taxonomy_test_views/test_views/views.view.test_taxonomy_term_relationship.yml
+++ b/core/modules/taxonomy/tests/modules/taxonomy_test_views/test_views/views.view.test_taxonomy_term_relationship.yml
@@ -140,7 +140,7 @@ display:
           type: number_integer
           settings:
             thousand_separator: ''
-            prefix_suffix: true
+            format_plural: 'field'
           group_column: value
           group_columns: {  }
           group_rows: true
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_row_render_cache.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_row_render_cache.yml
index ec19b13..c391c25 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_row_render_cache.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_row_render_cache.yml
@@ -180,7 +180,7 @@ display:
           type: number_integer
           settings:
             thousand_separator: ''
-            prefix_suffix: true
+            format_plural: 'field'
           group_column: value
           group_columns: {  }
           group_rows: true