diff --git a/lib/Doctrine/ODM/MongoDB/UnitOfWork.php b/lib/Doctrine/ODM/MongoDB/UnitOfWork.php
index e96fc855d4..17ec08e258 100644
--- a/lib/Doctrine/ODM/MongoDB/UnitOfWork.php
+++ b/lib/Doctrine/ODM/MongoDB/UnitOfWork.php
@@ -1109,58 +1109,6 @@ private function getCommitOrder(array $documentChangeSet = null)
         return $calc->getCommitOrder();
     }
 
-/*
-private function getCommitOrder(array $entityChangeSet = null)
-{
-    if ($entityChangeSet === null) {
-        $entityChangeSet = array_merge(
-                $this->entityInsertions,
-                $this->entityUpdates,
-                $this->entityDeletions
-                );
-    }
-    
-    $calc = $this->getCommitOrderCalculator();
-    
-    // See if there are any new classes in the changeset, that are not in the
-    // commit order graph yet (dont have a node).
-    $newNodes = array();
-    foreach ($entityChangeSet as $oid => $entity) {
-        $className = get_class($entity);         
-        if ( ! $calc->hasClass($className)) {
-            $class = $this->em->getClassMetadata($className);
-            $calc->addClass($class);
-            $newNodes[] = $class;
-        }
-    }
-
-    // Calculate dependencies for new nodes
-    foreach ($newNodes as $class) {
-        foreach ($class->associationMappings as $assoc) {
-            if ($assoc['isOwningSide'] && $assoc['type'] & ClassMetadata::TO_ONE) {
-                $targetClass = $this->em->getClassMetadata($assoc['targetEntity']);
-                if ( ! $calc->hasClass($targetClass->name)) {
-                    $calc->addClass($targetClass);
-                }
-                $calc->addDependency($targetClass, $class);
-                // If the target class has mapped subclasses,
-                // these share the same dependency.
-                if ($targetClass->subClasses) {
-                    foreach ($targetClass->subClasses as $subClassName) {
-                        $targetSubClass = $this->em->getClassMetadata($subClassName);
-                        if ( ! $calc->hasClass($subClassName)) {
-                            $calc->addClass($targetSubClass);
-                        }
-                        $calc->addDependency($targetSubClass, $class);
-                    }
-                }
-            }
-        }
-    }
-
-    return $calc->getCommitOrder();
-}
-*/
     /**
      * Add dependencies recursively through embedded documents. Embedded documents
      * may have references to other documents so those need to be saved first.