diff --git a/core/modules/path/lib/Drupal/path/Form/PathFormBase.php b/core/modules/path/lib/Drupal/path/Form/PathFormBase.php
index 7251b8c..251fbe3 100644
--- a/core/modules/path/lib/Drupal/path/Form/PathFormBase.php
+++ b/core/modules/path/lib/Drupal/path/Form/PathFormBase.php
@@ -86,7 +86,6 @@ public function buildForm(array $form, array &$form_state, $pid = NULL) {
       '#field_prefix' => url(NULL, array('absolute' => TRUE)),
       '#required' => TRUE,
     );
-    dpm($form['source']['#field_prefix']);
     $form['alias'] = array(
       '#type' => 'textfield',
       '#title' => $this->t('Path alias'),