diff --git a/benches/note_decryption.rs b/benches/note_decryption.rs
index f560c2ce4..d17b01e41 100644
--- a/benches/note_decryption.rs
+++ b/benches/note_decryption.rs
@@ -28,8 +28,6 @@ fn bench_note_decryption<FL: OrchardFlavorBench>(c: &mut Criterion) {
     let recipient = valid_ivk.address_at(0u32);
     let valid_ivk = PreparedIncomingViewingKey::new(&valid_ivk);
 
-    // FIXME: should we add to the following comment that now for ZSA flavor the early
-    // rejection also happens when the asset is invalid?
     // Compact actions don't have the full AEAD ciphertext, so ZIP 307 trial-decryption
     // relies on an invalid ivk resulting in random noise for which the note commitment
     // is invalid. However, in practice we still get early rejection:
diff --git a/src/builder.rs b/src/builder.rs
index b0b525433..fa532275a 100644
--- a/src/builder.rs
+++ b/src/builder.rs
@@ -584,8 +584,6 @@ impl Builder {
     }
 
     /// Add an instruction to burn a given amount of a specific asset.
-    // FIXME: Should we add `add_burn` into the `into_bundle` function in this testing module
-    // (like `add_spend` and `add_output` are used there)?
     pub fn add_burn(&mut self, asset: AssetBase, value: NoteValue) -> Result<(), BuildError> {
         use std::collections::hash_map::Entry;