diff --git a/core/lib/Drupal/Core/Entity/ContentEntityBase.php b/core/lib/Drupal/Core/Entity/ContentEntityBase.php
index 8e85d4c057..df6d5cc890 100644
--- a/core/lib/Drupal/Core/Entity/ContentEntityBase.php
+++ b/core/lib/Drupal/Core/Entity/ContentEntityBase.php
@@ -86,6 +86,15 @@
    */
   protected $activeLangcode = LanguageInterface::LANGCODE_DEFAULT;
 
+  /**
+   * Can be used to override isDefaultTranslation() result.
+   *
+   * @var null|bool
+   *
+   * @internal
+   */
+  public $isDefaultTranslation = NULL;
+
   /**
    * Local cache for the default language code.
    *
@@ -409,10 +418,20 @@ public function setRevisionTranslationAffectedEnforced($enforced) {
     return $this;
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  public function setIsDefaultTranslation($is_default_translation) {
+    $this->isDefaultTranslation = $is_default_translation;
+  }
+
   /**
    * {@inheritdoc}
    */
   public function isDefaultTranslation() {
+    if ($this->isDefaultTranslation !== NULL) {
+      return $this->isDefaultTranslation;
+    }
     return $this->activeLangcode === LanguageInterface::LANGCODE_DEFAULT;
   }
 
diff --git a/core/lib/Drupal/Core/Entity/ContentEntityStorageBase.php b/core/lib/Drupal/Core/Entity/ContentEntityStorageBase.php
index 0d039060c3..7043cc1e43 100644
--- a/core/lib/Drupal/Core/Entity/ContentEntityStorageBase.php
+++ b/core/lib/Drupal/Core/Entity/ContentEntityStorageBase.php
@@ -844,7 +844,16 @@ protected function invokeFieldMethod($method, ContentEntityInterface $entity) {
     if ($method == 'postSave' && !empty($entity->original)) {
       $original_langcodes = array_keys($entity->original->getTranslationLanguages());
       foreach (array_diff($original_langcodes, $langcodes) as $removed_langcode) {
+        /** @var \Drupal\Core\Entity\ContentEntityInterface $translation */
         $translation = $entity->original->getTranslation($removed_langcode);
+
+        // Fields may rely on the isDefaultTranslation() method to determine
+        // what is going to be deleted - the whole entity or a particular
+        // translation.
+        if ($translation->isDefaultTranslation()) {
+          $translation->setIsDefaultTranslation(FALSE);
+        }
+
         $fields = $translation->getTranslatableFields();
         foreach ($fields as $name => $items) {
           $items->delete();
diff --git a/core/lib/Drupal/Core/TypedData/TranslatableInterface.php b/core/lib/Drupal/Core/TypedData/TranslatableInterface.php
index 0889ea3677..31067697a9 100644
--- a/core/lib/Drupal/Core/TypedData/TranslatableInterface.php
+++ b/core/lib/Drupal/Core/TypedData/TranslatableInterface.php
@@ -30,6 +30,18 @@
    */
   public function language();
 
+  /**
+   * Overrides isDefaultTranslation() result.
+   *
+   * @param bool|null $is_default_translation
+   *   If boolean value is passed, the value will override the result of
+   *   isDefaultTranslation() method. If NULL is passed, the default logic will
+   *   be used for determining the result.
+   *
+   * @internal
+   */
+  public function setIsDefaultTranslation($is_default_translation);
+
   /**
    * Checks whether the translation is the default one.
    *
diff --git a/core/modules/file/tests/src/Functional/FileOnTranslatedEntityTest.php b/core/modules/file/tests/src/Functional/FileOnTranslatedEntityTest.php
index 7bc1e0a808..7055122458 100644
--- a/core/modules/file/tests/src/Functional/FileOnTranslatedEntityTest.php
+++ b/core/modules/file/tests/src/Functional/FileOnTranslatedEntityTest.php
@@ -206,4 +206,37 @@ public function testSyncedFiles() {
     $this->assertTrue($file->isTemporary());
   }
 
+  /**
+   * Tests if file field tracks file usages correctly on translated nodes.
+   */
+  public function testFileUsage() {
+    /** @var \Drupal\file\FileUsage\FileUsageInterface $file_usage */
+    $file_usage = \Drupal::service('file.usage');
+
+    // Enable language selector on the basic page edit form.
+    $edit = [
+      'language_configuration[language_alterable]' => 1,
+    ];
+    $this->drupalPostForm('admin/structure/types/manage/page', $edit, t('Save content type'));
+
+    // Create a node and upload a file.
+    $node = $this->drupalCreateNode(['type' => 'page']);
+    $edit = [
+      'files[' . $this->fieldName . '_0]' => \Drupal::service('file_system')->realpath($this->drupalGetTestFiles('text')[0]->uri),
+    ];
+    $this->drupalPostForm('node/' . $node->id() . '/edit', $edit, t('Save'));
+
+    // Check if the file usage is correct.
+    $file = \Drupal\file\Entity\File::load($this->getLastFileId());
+    $this->assertEqual($file_usage->listUsage($file), ['file' => ['node' => [$node->id() => '1']]]);
+
+    // Check if the file usage is tracked correctly when changing the original
+    // language of an entity.
+    $edit = [
+      'langcode[0][value]' => 'fr',
+    ];
+    $this->drupalPostForm('node/' . $node->id() . '/edit', $edit, t('Save'));
+    $this->assertEqual($file_usage->listUsage($file), ['file' => ['node' => [$node->id() => '1']]]);
+  }
+
 }
diff --git a/core/tests/Drupal/KernelTests/Core/Entity/ContentEntityCloneTest.php b/core/tests/Drupal/KernelTests/Core/Entity/ContentEntityCloneTest.php
index 4bbe2453ac..10ae15eb85 100644
--- a/core/tests/Drupal/KernelTests/Core/Entity/ContentEntityCloneTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Entity/ContentEntityCloneTest.php
@@ -297,7 +297,7 @@ public function testEntityPropertiesModifications() {
     // Retrieve the entity properties.
     $reflection = new \ReflectionClass($entity);
     $properties = $reflection->getProperties(~\ReflectionProperty::IS_STATIC);
-    $translation_unique_properties = ['activeLangcode', 'translationInitialize', 'fieldDefinitions', 'languages', 'langcodeKey', 'defaultLangcode', 'defaultLangcodeKey', 'revisionTranslationAffectedKey', 'validated', 'validationRequired', 'entityTypeId', 'typedData', 'cacheContexts', 'cacheTags', 'cacheMaxAge', '_serviceIds', '_entityStorages'];
+    $translation_unique_properties = ['activeLangcode', 'translationInitialize', 'fieldDefinitions', 'languages', 'langcodeKey', 'defaultLangcode', 'defaultLangcodeKey', 'revisionTranslationAffectedKey', 'validated', 'validationRequired', 'entityTypeId', 'typedData', 'cacheContexts', 'cacheTags', 'cacheMaxAge', '_serviceIds', '_entityStorages', 'isDefaultTranslation'];
 
     foreach ($properties as $property) {
       // Modify each entity property on the clone and assert that the change is