diff --git a/yarn-project/circuits.js/src/structs/header.ts b/yarn-project/circuits.js/src/structs/header.ts
index 8b122fe928bf..016f9e9f98e7 100644
--- a/yarn-project/circuits.js/src/structs/header.ts
+++ b/yarn-project/circuits.js/src/structs/header.ts
@@ -109,7 +109,6 @@ export class Header {
     return Header.fromBuffer(buffer);
   }
 
-  // TODO(benesjan): cache this? would require making all properties readonly
   hash(): Fr {
     return Fr.fromBuffer(
       pedersenHash(