diff --git a/test/test_manifest.json b/test/test_manifest.json
index e43ced6c9a275..eefa9ec3a6ef5 100644
--- a/test/test_manifest.json
+++ b/test/test_manifest.json
@@ -646,13 +646,6 @@
       "rounds": 1,
       "type": "load"
     },
-    {  "id": "aboutstacks",
-      "file": "pdfs/aboutstacks.pdf",
-      "md5": "6e7c8416a293ba2d83bc8dd20c6ccf51",
-      "rounds": 1,
-      "link": true,
-      "type": "eq"
-    },
     {  "id": "smaskdim",
       "file": "pdfs/smaskdim.pdf",
       "md5": "de80aeca7cbf79940189fd34d59671ee",