diff --git a/template/slides/list.json b/template/slides/list.json
index aad8862e151d98721de4783f3f1fedfe5983ea9d..2b8df56b54ecb9e9860e579b0fa7a893b6aaafec 100644
--- a/template/slides/list.json
+++ b/template/slides/list.json
@@ -1,18 +1,5 @@
 [
-    {
-        "filename": "index.md",
-        "attr": {
-        }
-    },
-    {
-        "filename": "overview.md",
-        "attr": {
-        }
-    },
-    {
-        "filename": "thanks.md",
-        "attr": {
-
-        }
-    }
+    { "filename": "index.md" },
+    { "filename": "overview.md" },
+    { "filename": "thanks.md" }
 ]