diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -7672,6 +7672,7 @@
     'PhabricatorRepositoryGitLFSRef' => array(
       'PhabricatorRepositoryDAO',
       'PhabricatorPolicyInterface',
+      'PhabricatorDestructibleInterface',
     ),
     'PhabricatorRepositoryGitLFSRefQuery' => 'PhabricatorCursorPagedPolicyAwareQuery',
     'PhabricatorRepositoryGraphCache' => 'Phobject',
diff --git a/src/applications/repository/storage/PhabricatorRepository.php b/src/applications/repository/storage/PhabricatorRepository.php
--- a/src/applications/repository/storage/PhabricatorRepository.php
+++ b/src/applications/repository/storage/PhabricatorRepository.php
@@ -2435,6 +2435,14 @@
         $engine->destroyObject($atom);
       }
 
+      $lfs_refs = id(new PhabricatorRepositoryGitLFSRefQuery())
+        ->setViewer($engine->getViewer())
+        ->withRepositoryPHIDs(array($phid))
+        ->execute();
+      foreach ($lfs_refs as $ref) {
+        $engine->destroyObject($ref);
+      }
+
     $this->saveTransaction();
   }
 
diff --git a/src/applications/repository/storage/PhabricatorRepositoryGitLFSRef.php b/src/applications/repository/storage/PhabricatorRepositoryGitLFSRef.php
--- a/src/applications/repository/storage/PhabricatorRepositoryGitLFSRef.php
+++ b/src/applications/repository/storage/PhabricatorRepositoryGitLFSRef.php
@@ -2,7 +2,9 @@
 
 final class PhabricatorRepositoryGitLFSRef
   extends PhabricatorRepositoryDAO
-  implements PhabricatorPolicyInterface {
+  implements
+    PhabricatorPolicyInterface,
+    PhabricatorDestructibleInterface {
 
   protected $repositoryPHID;
   protected $objectHash;
@@ -48,4 +50,23 @@
   }
 
 
+/* -(  PhabricatorDestructibleInterface  )----------------------------------- */
+
+
+  public function destroyObjectPermanently(
+    PhabricatorDestructionEngine $engine) {
+
+    $file_phid = $this->getFilePHID();
+
+    $file = id(new PhabricatorFileQuery())
+      ->setViewer($engine->getViewer())
+      ->withPHIDs(array($file_phid))
+      ->executeOne();
+    if ($file) {
+      $engine->destroyObject($file);
+    }
+
+    $this->delete();
+  }
+
 }