diff --git a/noir-projects/aztec-nr/aztec/src/prelude.nr b/noir-projects/aztec-nr/aztec/src/prelude.nr
index 08177f65e7d..8a9809fa2b1 100644
--- a/noir-projects/aztec-nr/aztec/src/prelude.nr
+++ b/noir-projects/aztec-nr/aztec/src/prelude.nr
@@ -7,7 +7,7 @@ use crate::{
     state_vars::{
     map::Map, private_immutable::PrivateImmutable, private_mutable::PrivateMutable,
     public_immutable::PublicImmutable, public_mutable::PublicMutable, private_set::PrivateSet,
-    shared_immutable::SharedImmutable, storage::Storable
+    shared_immutable::SharedImmutable, shared_mutable::SharedMutable, storage::Storable
 },
     log::emit_encrypted_log, context::{PrivateContext, PackedReturns, FunctionReturns},
     note::{
diff --git a/noir-projects/noir-contracts/contracts/token_blacklist_contract/src/main.nr b/noir-projects/noir-contracts/contracts/token_blacklist_contract/src/main.nr
index c34e93a13cf..d5d232aa535 100644
--- a/noir-projects/noir-contracts/contracts/token_blacklist_contract/src/main.nr
+++ b/noir-projects/noir-contracts/contracts/token_blacklist_contract/src/main.nr
@@ -10,19 +10,17 @@ mod types;
 
 contract TokenBlacklist {
     // Libs
-
-    use dep::aztec::protocol_types::{abis::function_selector::FunctionSelector, address::AztecAddress};
     use dep::aztec::{
-        note::{note_getter_options::NoteGetterOptions, note_header::NoteHeader},
-        hash::compute_note_secret_hash,
-        state_vars::{Map, PublicMutable, PrivateSet, SharedMutable, SharedImmutable}
+        hash::poseidon2_hash,
+        prelude::{AztecAddress, FunctionSelector, Map, NoteGetterOptions, PrivateSet, PublicMutable, SharedMutable}
     };
 
-    use dep::field_note::field_note::FieldNote;
-
     use dep::authwit::{auth::{assert_current_call_valid_authwit, assert_current_call_valid_authwit_public}};
 
-    use crate::types::{transparent_note::TransparentNote, token_note::TokenNote, balances_map::BalancesMap, roles::UserFlags};
+    use crate::types::{
+        transparent_note::{TransparentNote, GENERATOR_INDEX__TRANSPARENT_NOTE}, token_note::TokenNote,
+        balances_map::BalancesMap, roles::UserFlags
+    };
 
     // Changing an address' roles has a certain block delay before it goes into effect.
     global CHANGE_ROLES_DELAY_BLOCKS = 5;
@@ -154,7 +152,7 @@ contract TokenBlacklist {
         assert(!to_roles.is_blacklisted, "Blacklisted: Recipient");
 
         let pending_shields = storage.pending_shields;
-        let secret_hash = compute_note_secret_hash(secret);
+        let secret_hash = poseidon2_hash([secret, GENERATOR_INDEX__TRANSPARENT_NOTE]);
         // Get 1 note (set_limit(1)) which has amount stored in field with index 0 (select(0, amount)) and secret_hash
         // stored in field with index 1 (select(1, secret_hash)).
         let mut options = NoteGetterOptions::new();
@@ -257,4 +255,4 @@ contract TokenBlacklist {
     unconstrained fn balance_of_public(owner: AztecAddress) -> pub Field {
         storage.public_balances.at(owner).read().to_field()
     }
-}
\ No newline at end of file
+}