diff --git a/core/lib/Drupal/Core/Field/PluginSettingsBase.php b/core/lib/Drupal/Core/Field/PluginSettingsBase.php
index c35d03b..e69393a 100644
--- a/core/lib/Drupal/Core/Field/PluginSettingsBase.php
+++ b/core/lib/Drupal/Core/Field/PluginSettingsBase.php
@@ -40,13 +40,6 @@ public static function settings() {
   /**
    * {@inheritdoc}
    */
-  public function hasSettings() {
-    return !empty($this->settings);
-  }
-
-  /**
-   * {@inheritdoc}
-   */
   public function getSettings() {
     // Merge defaults before returning the array.
     if (!$this->defaultSettingsMerged) {
diff --git a/core/lib/Drupal/Core/Field/PluginSettingsInterface.php b/core/lib/Drupal/Core/Field/PluginSettingsInterface.php
index 8b588ec..f9ffa86 100644
--- a/core/lib/Drupal/Core/Field/PluginSettingsInterface.php
+++ b/core/lib/Drupal/Core/Field/PluginSettingsInterface.php
@@ -23,14 +23,6 @@
   public static function settings();
 
   /**
-   * Returns whether this plugin defines settings.
-   *
-   * @return bool
-   *   TRUE if this plugin defines settings.
-   */
-  public function hasSettings();
-
-  /**
    * Returns the array of settings, including defaults for missing settings.
    *
    * @return array
diff --git a/core/modules/field_ui/lib/Drupal/field_ui/DisplayOverviewBase.php b/core/modules/field_ui/lib/Drupal/field_ui/DisplayOverviewBase.php
index 3067ced..d1a88ed 100644
--- a/core/modules/field_ui/lib/Drupal/field_ui/DisplayOverviewBase.php
+++ b/core/modules/field_ui/lib/Drupal/field_ui/DisplayOverviewBase.php
@@ -399,7 +399,7 @@ protected function buildFieldRow(FieldDefinitionInterface $field_definition, Ent
         }
 
         // Check selected plugin settings to display edit link or not.
-        if ($plugin->hasSettings()) {
+        if ($plugin->settings()) {
           $field_row['settings_edit'] = $base_button + array(
             '#type' => 'image_button',
             '#name' => $field_name . '_settings_edit',