diff --git a/core/modules/hal/src/Normalizer/FileEntityNormalizer.php b/core/modules/hal/src/Normalizer/FileEntityNormalizer.php
index 56fb38f..d2cf4e7 100644
--- a/core/modules/hal/src/Normalizer/FileEntityNormalizer.php
+++ b/core/modules/hal/src/Normalizer/FileEntityNormalizer.php
@@ -59,6 +59,7 @@ public function normalize($entity, $format = NULL, array $context = []) {
    * {@inheritdoc}
    */
   public function denormalize($data, $class, $format = NULL, array $context = []) {
+    if (isset($data['uri'])) {
       $file_data = (string) $this->httpClient->get($data['uri'][0]['value'])->getBody();
 
       $path = 'temporary://' . drupal_basename($data['uri'][0]['value']);
@@ -67,6 +68,7 @@ public function denormalize($data, $class, $format = NULL, array $context = [])
         return $this->entityManager->getStorage('file')->create($data);
       }
       $data['uri'] = [['value' => $data['uri']]];
+    }
     return parent::denormalize($data, $class, $format, $context);
   }
 
diff --git a/core/modules/hal/tests/src/Functional/EntityResource/File/FileHalJsonAnonTest.php b/core/modules/hal/tests/src/Functional/EntityResource/File/FileHalJsonAnonTest.php
index 9351fef..cfead8c 100644
--- a/core/modules/hal/tests/src/Functional/EntityResource/File/FileHalJsonAnonTest.php
+++ b/core/modules/hal/tests/src/Functional/EntityResource/File/FileHalJsonAnonTest.php
@@ -87,11 +87,6 @@ protected function getNormalizedPostEntity() {
           'href' => $this->baseUrl . '/rest/type/file/file',
         ],
       ],
-      'uri' => [
-        [
-          'value' => file_create_url($this->entity->getFileUri()),
-        ],
-      ],
     ];
   }
 
diff --git a/core/modules/rest/tests/src/Functional/EntityResource/File/FileResourceTestBase.php b/core/modules/rest/tests/src/Functional/EntityResource/File/FileResourceTestBase.php
index 1815dc7..56546a8 100644
--- a/core/modules/rest/tests/src/Functional/EntityResource/File/FileResourceTestBase.php
+++ b/core/modules/rest/tests/src/Functional/EntityResource/File/FileResourceTestBase.php
@@ -30,6 +30,9 @@
    * {@inheritdoc}
    */
   protected static $patchProtectedFieldNames = [
+    'uri',
+    'filemime',
+    'filesize',
     'status',
     'changed',
   ];