diff --git a/src/binary_formats.ml b/src/binary_formats.ml
index 740249a9..88f18f80 100644
--- a/src/binary_formats.ml
+++ b/src/binary_formats.ml
@@ -4,13 +4,7 @@
 
 open Include
 
-(* TODO
-   less boilerplate?
-     - type t abstract
-     - type t = { v = string }
-   padding issues?
-   how to encode union? not really needed?
-   test *)
+(* TODO test *)
 
 (* -- Time -- *)