diff --git a/hotshot/src/lib.rs b/hotshot/src/lib.rs
index cf81d1b6b3..f85af247a5 100644
--- a/hotshot/src/lib.rs
+++ b/hotshot/src/lib.rs
@@ -60,7 +60,7 @@ use hotshot_types::{
     traits::{
         consensus_api::ConsensusApi,
         network::{CommunicationChannel, NetworkError},
-        node_implementation::{ChannelMaps, NodeType, SendToTasks},
+        node_implementation::{NodeType, SendToTasks},
         signature_key::SignatureKey,
         state::ConsensusTime,
         storage::StoredView,
@@ -78,6 +78,10 @@ use std::{
 };
 use tasks::add_vid_task;
 use tracing::{debug, error, info, instrument, trace, warn};
+
+#[cfg(feature = "hotshot-testing")]
+use hotshot_types::traits::node_implementation::ChannelMaps;
+
 // -- Rexports
 // External
 /// Reexport rand crate
@@ -162,6 +166,7 @@ pub struct SystemContextInner<TYPES: NodeType, I: NodeImplementation<TYPES>> {
 
     /// Channels for sending/recv-ing proposals and votes for quorum and committee exchanges, the
     /// latter of which is only applicable for sequencing consensus.
+    #[cfg(feature = "hotshot-testing")]
     channel_maps: (ChannelMaps<TYPES>, Option<ChannelMaps<TYPES>>),
 
     // global_registry: GlobalRegistry,
@@ -256,6 +261,7 @@ impl<TYPES: NodeType, I: NodeImplementation<TYPES>> SystemContext<TYPES, I> {
 
         let inner: Arc<SystemContextInner<TYPES, I>> = Arc::new(SystemContextInner {
             id: nonce,
+            #[cfg(feature = "hotshot-testing")]
             channel_maps: I::new_channel_maps(start_view),
             consensus,
             public_key,
diff --git a/hotshot/src/types/handle.rs b/hotshot/src/types/handle.rs
index 0d52a18842..2040061489 100644
--- a/hotshot/src/types/handle.rs
+++ b/hotshot/src/types/handle.rs
@@ -16,17 +16,21 @@ use hotshot_task_impls::events::HotShotEvent;
 use hotshot_types::simple_vote::QuorumData;
 use hotshot_types::{
     consensus::Consensus,
+    data::Leaf,
     error::HotShotError,
     event::EventType,
-    message::{MessageKind, SequencingMessage},
-    traits::{
-        election::Membership, node_implementation::NodeType, state::ConsensusTime, storage::Storage,
-    },
+    simple_certificate::QuorumCertificate,
+    traits::{node_implementation::NodeType, state::ConsensusTime, storage::Storage},
 };
-use hotshot_types::{data::Leaf, simple_certificate::QuorumCertificate};
 use std::sync::Arc;
 use tracing::error;
 
+#[cfg(feature = "hotshot-testing")]
+use hotshot_types::{
+    message::{MessageKind, SequencingMessage},
+    traits::election::Membership,
+};
+
 /// Event streaming handle for a [`SystemContext`] instance running in the background
 ///
 /// This type provides the means to message and interact with a background [`SystemContext`] instance,
diff --git a/task-impls/src/consensus.rs b/task-impls/src/consensus.rs
index b7909dfec2..8d190e16ff 100644
--- a/task-impls/src/consensus.rs
+++ b/task-impls/src/consensus.rs
@@ -664,8 +664,10 @@ impl<TYPES: NodeType, I: NodeImplementation<TYPES>, A: ConsensusApi<TYPES, I> +
                                 }
 
                                 leaf_views.push(leaf.clone());
-                                if let Some(payload) = leaf.block_payload {
-                                    for txn in payload.transaction_commitments() {
+                                if let Some(ref payload) = leaf.block_payload {
+                                    for txn in payload
+                                        .transaction_commitments(leaf.get_block_header().metadata())
+                                    {
                                         included_txns.insert(txn);
                                     }
                                 }
diff --git a/task-impls/src/transactions.rs b/task-impls/src/transactions.rs
index 7b6df7300a..e162a6c26f 100644
--- a/task-impls/src/transactions.rs
+++ b/task-impls/src/transactions.rs
@@ -16,6 +16,7 @@ use hotshot_types::{
     consensus::Consensus,
     data::Leaf,
     traits::{
+        block_contents::BlockHeader,
         consensus_api::ConsensusApi,
         election::Membership,
         node_implementation::{NodeImplementation, NodeType},
@@ -121,8 +122,10 @@ impl<TYPES: NodeType, I: NodeImplementation<TYPES>, A: ConsensusApi<TYPES, I> +
                 let mut included_txn_size = 0;
                 let mut included_txn_count = 0;
                 for leaf in leaf_chain {
-                    if let Some(payload) = leaf.block_payload {
-                        for txn in payload.transaction_commitments() {
+                    if let Some(ref payload) = leaf.block_payload {
+                        for txn in
+                            payload.transaction_commitments(leaf.get_block_header().metadata())
+                        {
                             included_txns.insert(txn);
                         }
                     }
diff --git a/testing/src/block_types.rs b/testing/src/block_types.rs
index ba701cbbc3..20572510a1 100644
--- a/testing/src/block_types.rs
+++ b/testing/src/block_types.rs
@@ -149,7 +149,7 @@ impl BlockPayload for TestBlockPayload {
         Ok(TestTransaction::encode(self.transactions.clone())?.into_iter())
     }
 
-    fn transaction_commitments(&self) -> Vec<Commitment<Self::Transaction>> {
+    fn transaction_commitments(&self, _metadata: &Self::Metadata) -> Vec<Commitment<Self::Transaction>> {
         self.transactions
             .iter()
             .map(commit::Committable::commit)
diff --git a/types/src/traits/block_contents.rs b/types/src/traits/block_contents.rs
index f3d3769c35..5b8bf39600 100644
--- a/types/src/traits/block_contents.rs
+++ b/types/src/traits/block_contents.rs
@@ -70,7 +70,7 @@ pub trait BlockPayload:
     fn encode(&self) -> Result<Self::Encode<'_>, Self::Error>;
 
     /// List of transaction commitments.
-    fn transaction_commitments(&self) -> Vec<Commitment<Self::Transaction>>;
+    fn transaction_commitments(&self, metadata: &Self::Metadata) -> Vec<Commitment<Self::Transaction>>;
 }
 
 /// Compute the VID payload commitment.