core/modules/rest/src/Entity/RestResourceConfig.php   | 13 +++----------
 core/modules/rest/src/RestResourceConfigInterface.php |  7 -------
 2 files changed, 3 insertions(+), 17 deletions(-)

diff --git a/core/modules/rest/src/Entity/RestResourceConfig.php b/core/modules/rest/src/Entity/RestResourceConfig.php
index d586f29..362c061 100644
--- a/core/modules/rest/src/Entity/RestResourceConfig.php
+++ b/core/modules/rest/src/Entity/RestResourceConfig.php
@@ -80,7 +80,7 @@ public function __construct(array $values, $entity_type) {
    */
   protected function getLabelFromPlugin() {
     $plugin_definition = $this->getResourcePluginManager()
-      ->getDefinition(['id' => $this->getResourcePluginID()]);
+      ->getDefinition(['id' => $this->plugin_id]);
     return $plugin_definition['label'];
   }
 
@@ -99,15 +99,8 @@ protected function getResourcePluginManager() {
   /**
    * {@inheritdoc}
    */
-  public function getResourcePluginID() {
-    return $this->plugin_id;
-  }
-
-  /**
-   * {@inheritdoc}
-   */
   public function getResourcePlugin() {
-    return $this->getPluginCollections()['resource']->get($this->getResourcePluginID());
+    return $this->getPluginCollections()['resource']->get($this->plugin_id);
   }
 
   /**
@@ -211,7 +204,7 @@ public function removeSupportedFormat($method, $format) {
    */
   public function getPluginCollections() {
     return [
-      'resource' => new DefaultSingleLazyPluginCollection($this->getResourcePluginManager(), $this->getResourcePluginID(), [])
+      'resource' => new DefaultSingleLazyPluginCollection($this->getResourcePluginManager(), $this->plugin_id, [])
     ];
   }
 
diff --git a/core/modules/rest/src/RestResourceConfigInterface.php b/core/modules/rest/src/RestResourceConfigInterface.php
index 422bec8..296a1e6 100644
--- a/core/modules/rest/src/RestResourceConfigInterface.php
+++ b/core/modules/rest/src/RestResourceConfigInterface.php
@@ -11,13 +11,6 @@
 interface RestResourceConfigInterface extends ConfigEntityInterface, EntityWithPluginCollectionInterface {
 
   /**
-   * Retrieves the REST resource plugin id.
-   *
-   * @return string The plugin id
-   */
-  public function getResourcePluginID();
-
-  /**
    * Retrieves the REST resource plugin.
    *
    * @return \Drupal\rest\Plugin\ResourceInterface