--- a/test-suite/tests/flatten-0021-out.jsonld	Sun Jul 21 20:49:43 2013 +0200
+++ b/test-suite/tests/flatten-0021-out.jsonld	Sun Jul 21 21:20:42 2013 +0200
@@ -8,9 +8,6 @@
         ],
         "@graph": [
             {
-                "@id": "_:b1"
-            },
-            {
                 "@id": "http://example.org/test#book",
                 "http://example.org/vocab#contains": [
                     {
@@ -29,9 +26,6 @@
                 ]
             },
             {
-                "@id": "http://example.org/test#chapter"
-            },
-            {
                 "@id": "http://example.org/test#jane",
                 "http://example.org/vocab#authored": [
                     {