core/lib/Drupal/Core/Asset/LibraryDependencyResolver.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/lib/Drupal/Core/Asset/LibraryDependencyResolver.php b/core/lib/Drupal/Core/Asset/LibraryDependencyResolver.php
index f05fbbd..34ffc0d 100644
--- a/core/lib/Drupal/Core/Asset/LibraryDependencyResolver.php
+++ b/core/lib/Drupal/Core/Asset/LibraryDependencyResolver.php
@@ -94,7 +94,7 @@ public function getMinimalRepresentativeSubset(array $libraries) {
       }
     }
 
-    return array_unique($minimal);
+    return $minimal;
   }
 
 }