diff --git a/src/module/bm/header.rs b/src/module/bm/header.rs
index bbd35d43..33d4c0b6 100644
--- a/src/module/bm/header.rs
+++ b/src/module/bm/header.rs
@@ -1,18 +1,15 @@
 use storage::file::FileHeaderSpec as FHS;
 
 pub fn get_spec() -> FHS {
-    FHS::Array {
-        allowed_types: vec![FHS::Map {
-            keys: vec![
-                FHS::Key { name: "ID",  value_type: Box::new(FHS::Text) },
-                FHS::Key { name: "URL", value_type: Box::new(FHS::Text) },
-                FHS::Key { name: "TAGS",
-                      value_type: Box::new(FHS::Array {
-                          allowed_types: vec![FHS::Text]
-                      }),
-                },
-            ],
-        }],
+    FHS::Map {
+        keys: vec![
+            FHS::Key { name: "URL", value_type: Box::new(FHS::Text) },
+            FHS::Key { name: "TAGS",
+                  value_type: Box::new(FHS::Array {
+                      allowed_types: vec![FHS::Text]
+                  }),
+            },
+        ],
     }
 }