diff --git a/src/types.rs b/src/types.rs
index 346b19c..fa4ba30 100644
--- a/src/types.rs
+++ b/src/types.rs
@@ -92,11 +92,9 @@ pub struct Fifo {
     pub elements: Vec<Field>,
 }
 
-// TODO
 #[derive(Debug)]
 pub struct Field {
     pub name: String,
-    /// TODO: is this optional?
     pub mask: u32,
     pub interface: Option<FieldFifoInterface>,
     pub multiple: Option<MultipleParams>,