diff --git a/sequencer/src/persistence/fs.rs b/sequencer/src/persistence/fs.rs
index 2ff68d248..5ad55882c 100644
--- a/sequencer/src/persistence/fs.rs
+++ b/sequencer/src/persistence/fs.rs
@@ -777,6 +777,7 @@ impl SequencerPersistence for Persistence {
             Proposal<SeqTypes, QuorumProposal<SeqTypes>>,
         ) -> Proposal<SeqTypes, QuorumProposal2<SeqTypes>>,
     ) -> anyhow::Result<()> {
+        // TODO: https://github.com/EspressoSystems/espresso-sequencer/issues/2357
         Ok(())
     }
 }
diff --git a/sequencer/src/persistence/sql.rs b/sequencer/src/persistence/sql.rs
index 3b1034172..f01c75b9a 100644
--- a/sequencer/src/persistence/sql.rs
+++ b/sequencer/src/persistence/sql.rs
@@ -880,6 +880,7 @@ impl SequencerPersistence for Persistence {
             Proposal<SeqTypes, QuorumProposal<SeqTypes>>,
         ) -> Proposal<SeqTypes, QuorumProposal2<SeqTypes>>,
     ) -> anyhow::Result<()> {
+        // TODO: https://github.com/EspressoSystems/espresso-sequencer/issues/2357
         Ok(())
     }
 }