diff --git a/zingo-sync/src/primitives.rs b/zingo-sync/src/primitives.rs
index 00e4d377f..2fbeb34c5 100644
--- a/zingo-sync/src/primitives.rs
+++ b/zingo-sync/src/primitives.rs
@@ -258,11 +258,10 @@ impl From<OutputId> for OutPoint {
 }
 
 /// Binary tree map of nullifiers from transaction spends or actions
-#[derive(Debug, Getters, MutGetters)]
-#[getset(get = "pub", get_mut = "pub")]
+#[derive(Debug)]
 pub struct NullifierMap {
-    sapling: BTreeMap<sapling_crypto::Nullifier, Locator>,
-    orchard: BTreeMap<orchard::note::Nullifier, Locator>,
+    pub(crate) sapling: BTreeMap<sapling_crypto::Nullifier, Locator>,
+    pub(crate) orchard: BTreeMap<orchard::note::Nullifier, Locator>,
 }
 
 impl NullifierMap {
@@ -272,6 +271,11 @@ impl NullifierMap {
             orchard: BTreeMap::new(),
         }
     }
+
+    pub fn clear(&mut self) {
+        self.sapling.clear();
+        self.orchard.clear();
+    }
 }
 
 impl Default for NullifierMap {
@@ -281,14 +285,12 @@ impl Default for NullifierMap {
 }
 
 /// Wallet block data
-#[derive(Debug, Clone, CopyGetters)]
-#[getset(get_copy = "pub")]
+#[derive(Debug, Clone)]
 pub struct WalletBlock {
     block_height: BlockHeight,
     block_hash: BlockHash,
     prev_hash: BlockHash,
     time: u32,
-    #[getset(skip)]
     txids: Vec<TxId>,
     tree_boundaries: TreeBoundaries,
     // TODO: optional price
@@ -313,9 +315,29 @@ impl WalletBlock {
         }
     }
 
+    pub fn block_height(&self) -> BlockHeight {
+        self.block_height
+    }
+
+    pub fn block_hash(&self) -> BlockHash {
+        self.block_hash
+    }
+
+    pub fn prev_hash(&self) -> BlockHash {
+        self.prev_hash
+    }
+
+    pub fn time(&self) -> u32 {
+        self.time
+    }
+
     pub fn txids(&self) -> &[TxId] {
         &self.txids
     }
+
+    pub fn tree_boundaries(&self) -> TreeBoundaries {
+        self.tree_boundaries
+    }
 }
 
 /// Wallet transaction
diff --git a/zingo-sync/src/scan/compact_blocks.rs b/zingo-sync/src/scan/compact_blocks.rs
index 553e3bfc6..48a09b938 100644
--- a/zingo-sync/src/scan/compact_blocks.rs
+++ b/zingo-sync/src/scan/compact_blocks.rs
@@ -396,7 +396,7 @@ fn collect_nullifiers(
         .map(|spend| sapling_crypto::Nullifier::from_slice(spend.nf.as_slice()).unwrap())
         .for_each(|nullifier| {
             nullifier_map
-                .sapling_mut()
+                .sapling
                 .insert(nullifier, (block_height, transaction.txid()));
         });
     transaction
@@ -408,7 +408,7 @@ fn collect_nullifiers(
         })
         .for_each(|nullifier| {
             nullifier_map
-                .orchard_mut()
+                .orchard
                 .insert(nullifier, (block_height, transaction.txid()));
         });
     Ok(())
diff --git a/zingo-sync/src/scan/transactions.rs b/zingo-sync/src/scan/transactions.rs
index 53dc9bb0c..8afe96d2f 100644
--- a/zingo-sync/src/scan/transactions.rs
+++ b/zingo-sync/src/scan/transactions.rs
@@ -493,7 +493,7 @@ fn collect_nullifiers(
             .map(|spend| spend.nullifier())
             .for_each(|nullifier| {
                 nullifier_map
-                    .sapling_mut()
+                    .sapling
                     .insert(*nullifier, (block_height, transaction.txid()));
             });
     }
@@ -504,7 +504,7 @@ fn collect_nullifiers(
             .map(|action| action.nullifier())
             .for_each(|nullifier| {
                 nullifier_map
-                    .orchard_mut()
+                    .orchard
                     .insert(*nullifier, (block_height, transaction.txid()));
             });
     }
diff --git a/zingo-sync/src/sync.rs b/zingo-sync/src/sync.rs
index ef99867b6..ad8cfe88e 100644
--- a/zingo-sync/src/sync.rs
+++ b/zingo-sync/src/sync.rs
@@ -581,12 +581,12 @@ where
     wallet
         .get_nullifiers_mut()
         .unwrap()
-        .sapling_mut()
+        .sapling
         .retain(|_, (height, _)| *height > fully_scanned_height);
     wallet
         .get_nullifiers_mut()
         .unwrap()
-        .orchard_mut()
+        .orchard
         .retain(|_, (height, _)| *height > fully_scanned_height);
     wallet
         .get_sync_state_mut()
diff --git a/zingo-sync/src/sync/spend.rs b/zingo-sync/src/sync/spend.rs
index d529ac1ce..2fbe6b00f 100644
--- a/zingo-sync/src/sync/spend.rs
+++ b/zingo-sync/src/sync/spend.rs
@@ -117,11 +117,11 @@ pub(super) fn detect_shielded_spends(
 ) {
     let sapling_spend_locators = sapling_derived_nullifiers
         .iter()
-        .flat_map(|nf| nullifier_map.sapling_mut().remove_entry(nf))
+        .flat_map(|nf| nullifier_map.sapling.remove_entry(nf))
         .collect();
     let orchard_spend_locators = orchard_derived_nullifiers
         .iter()
-        .flat_map(|nf| nullifier_map.orchard_mut().remove_entry(nf))
+        .flat_map(|nf| nullifier_map.orchard.remove_entry(nf))
         .collect();
 
     (sapling_spend_locators, orchard_spend_locators)
diff --git a/zingo-sync/src/traits.rs b/zingo-sync/src/traits.rs
index c6a637b94..1ce66e849 100644
--- a/zingo-sync/src/traits.rs
+++ b/zingo-sync/src/traits.rs
@@ -168,11 +168,11 @@ pub trait SyncNullifiers: SyncWallet {
     /// Append nullifiers to wallet nullifier map
     fn append_nullifiers(&mut self, mut nullifiers: NullifierMap) -> Result<(), Self::Error> {
         self.get_nullifiers_mut()?
-            .sapling_mut()
-            .append(nullifiers.sapling_mut());
+            .sapling
+            .append(&mut nullifiers.sapling);
         self.get_nullifiers_mut()?
-            .orchard_mut()
-            .append(nullifiers.orchard_mut());
+            .orchard
+            .append(&mut nullifiers.orchard);
 
         Ok(())
     }
@@ -181,10 +181,10 @@ pub trait SyncNullifiers: SyncWallet {
     fn truncate_nullifiers(&mut self, truncate_height: BlockHeight) -> Result<(), Self::Error> {
         let nullifier_map = self.get_nullifiers_mut()?;
         nullifier_map
-            .sapling_mut()
+            .sapling
             .retain(|_, (block_height, _)| *block_height <= truncate_height);
         nullifier_map
-            .orchard_mut()
+            .orchard
             .retain(|_, (block_height, _)| *block_height <= truncate_height);
 
         Ok(())
diff --git a/zingolib/src/wallet.rs b/zingolib/src/wallet.rs
index b6a5a896b..d63c22ba0 100644
--- a/zingolib/src/wallet.rs
+++ b/zingolib/src/wallet.rs
@@ -224,8 +224,7 @@ impl LightWallet {
     pub fn clear_all(&mut self) {
         self.wallet_blocks.clear();
         self.wallet_transactions.clear();
-        self.nullifier_map.sapling_mut().clear();
-        self.nullifier_map.orchard_mut().clear();
+        self.nullifier_map.clear();
         self.outpoint_map.clear();
         self.sync_state = SyncState::new();
     }