diff --git a/src/Plugin/Diff/CoreFieldBuilder.php b/src/Plugin/Diff/CoreFieldBuilder.php
index 5b2c280..5110916 100644
--- a/src/Plugin/Diff/CoreFieldBuilder.php
+++ b/src/Plugin/Diff/CoreFieldBuilder.php
@@ -10,7 +10,7 @@ use Drupal\Core\Field\FieldItemListInterface;
  *   id = "core_field_diff_builder",
  *   label = @Translation("Core Field Diff"),
  *   field_types = {"decimal", "integer", "float", "email", "telephone",
- *     "path", "date", "changed", "uri", "string", "timestamp", "created",
+ *     "date", "uri", "string", "timestamp", "created",
  *     "string_long", "language", "uuid", "map", "datetime", "boolean"
  *   },
  * )
diff --git a/src/Tests/DiffPluginTest.php b/src/Tests/DiffPluginTest.php
index bdb9707..8109230 100644
--- a/src/Tests/DiffPluginTest.php
+++ b/src/Tests/DiffPluginTest.php
@@ -138,6 +138,30 @@ class DiffPluginTest extends WebTestBase {
   }
 
   /**
+   * Tests a field without plugins.
+   */
+  public function testNoPlugin() {
+    // Create an article.
+    $node = $this->drupalCreateNode([
+      'type' => 'article',
+    ]);
+
+    // Edit the article and create a new revision. "Changed" field should be
+    // updated.
+    $edit = array(
+      'revision' => TRUE,
+    );
+    $this->drupalPostForm('node/' . $node->id() . '/edit', $edit, t('Save and keep published'));
+
+    // Check the difference between the last two revisions.
+    $this->clickLink(t('Revisions'));
+    $this->drupalPostForm(NULL, NULL, t('Compare'));
+    $this->assertResponse(200);
+    $this->assertLink(t('Back to Revision Overview'));
+    $this->assertLink(t('Standard'));
+  }
+
+  /**
    * Tests the EntityReference plugin.
    */
   public function testEntityReferencePlugin() {