diff --git a/zebra-chain/src/block/header.rs b/zebra-chain/src/block/header.rs
index 92610378..eea61216 100644
--- a/zebra-chain/src/block/header.rs
+++ b/zebra-chain/src/block/header.rs
@@ -3,7 +3,6 @@ use chrono::{DateTime, Duration, Utc};
 use crate::equihash_solution::EquihashSolution;
 use crate::merkle_tree::MerkleTreeRootHash;
 use crate::serialization::ZcashSerialize;
-use crate::treestate::note_commitment_tree::SaplingNoteTreeRootHash;
 
 use super::{difficulty::CompactDifficulty, BlockHeaderHash, Error};
 
diff --git a/zebra-chain/src/block/serialize.rs b/zebra-chain/src/block/serialize.rs
index 5ed3697a..1503533a 100644
--- a/zebra-chain/src/block/serialize.rs
+++ b/zebra-chain/src/block/serialize.rs
@@ -7,7 +7,6 @@ use crate::equihash_solution::EquihashSolution;
 use crate::merkle_tree::MerkleTreeRootHash;
 use crate::serialization::ZcashDeserializeInto;
 use crate::serialization::{ReadZcashExt, SerializationError, ZcashDeserialize, ZcashSerialize};
-use crate::treestate::note_commitment_tree::SaplingNoteTreeRootHash;
 
 use super::Block;
 use super::BlockHeader;
diff --git a/zebra-chain/src/block/tests.rs b/zebra-chain/src/block/tests.rs
index d491c762..97aec1f3 100644
--- a/zebra-chain/src/block/tests.rs
+++ b/zebra-chain/src/block/tests.rs
@@ -6,7 +6,6 @@ use crate::merkle_tree::MerkleTreeRootHash;
 use crate::serialization::{
     SerializationError, ZcashDeserialize, ZcashDeserializeInto, ZcashSerialize,
 };
-use crate::treestate::note_commitment_tree::SaplingNoteTreeRootHash;
 use crate::types::LockTime;
 use crate::Network;
 use crate::{sha256d_writer::Sha256dWriter, test::generate};