diff --git a/noir-projects/noir-contracts/contracts/test_contract/src/main.nr b/noir-projects/noir-contracts/contracts/test_contract/src/main.nr
index 39e33c1cda1..16b48e3c5e1 100644
--- a/noir-projects/noir-contracts/contracts/test_contract/src/main.nr
+++ b/noir-projects/noir-contracts/contracts/test_contract/src/main.nr
@@ -16,7 +16,7 @@ contract Test {
 
     use dep::aztec::{
         context::{Context, inputs::private_context_inputs::PrivateContextInputs},
-        hash::{pedersen_hash, poseidon2_hash, ArgsHasher},
+        hash::{compute_secret_hash, pedersen_hash, ArgsHasher},
         note::{
         lifecycle::{create_note, destroy_note}, note_getter::{get_notes, view_notes},
         note_getter_options::NoteStatus
@@ -350,7 +350,7 @@ contract Test {
     // Adapted from TokenContract#redeem_shield but without an initcheck so it can be run in simulator/src/client/private_execution.test.ts
     fn consume_note_from_secret(secret: Field) {
         let notes_set = storage.example_set;
-        let secret_hash = poseidon2_hash([secret, 92543]); // global GENERATOR_INDEX__TRANSPARENT_NOTE = 92543;
+        let secret_hash = compute_secret_hash(secret);
         let mut options = NoteGetterOptions::new();
         options = options.select(FieldNote::properties().value, secret_hash, Option::none()).set_limit(1);
         let notes = notes_set.get_notes(options);
diff --git a/yarn-project/simulator/src/client/private_execution.test.ts b/yarn-project/simulator/src/client/private_execution.test.ts
index 10cdff0172f..ecff905aea0 100644
--- a/yarn-project/simulator/src/client/private_execution.test.ts
+++ b/yarn-project/simulator/src/client/private_execution.test.ts
@@ -21,7 +21,7 @@ import {
   nonEmptySideEffects,
   sideEffectArrayToValueArray,
 } from '@aztec/circuits.js';
-import { computeCommitmentNonce, computeVarArgsHash } from '@aztec/circuits.js/hash';
+import { computeCommitmentNonce, computeSecretHash, computeVarArgsHash } from '@aztec/circuits.js/hash';
 import { makeHeader } from '@aztec/circuits.js/testing';
 import {
   type FunctionArtifact,
@@ -62,9 +62,6 @@ import { AcirSimulator } from './simulator.js';
 
 jest.setTimeout(60_000);
 
-// Copied over from `transparent_note.nr` - not placed in constants.nr as it's not a protocol constant
-const GENERATOR_INDEX__TRANSPARENT_NOTE = 92543;
-
 describe('Private Execution test suite', () => {
   let oracle: MockProxy<DBOracle>;
   let node: MockProxy<AztecNode>;
@@ -730,7 +727,7 @@ describe('Private Execution test suite', () => {
     it('Should be able to consume a dummy public to private message', async () => {
       const artifact = getFunctionArtifact(TestContractArtifact, 'consume_note_from_secret');
       const secret = new Fr(1n);
-      const secretHash = poseidon2Hash([secret, GENERATOR_INDEX__TRANSPARENT_NOTE]);
+      const secretHash = computeSecretHash(secret);
       const note = new Note([secretHash]);
       const storageSlot = new Fr(5);
       oracle.getNotes.mockResolvedValue([
diff --git a/yarn-project/simulator/src/client/simulator.test.ts b/yarn-project/simulator/src/client/simulator.test.ts
index e4af77f494b..62bb0c13b07 100644
--- a/yarn-project/simulator/src/client/simulator.test.ts
+++ b/yarn-project/simulator/src/client/simulator.test.ts
@@ -1,13 +1,18 @@
 import { type AztecNode, CompleteAddress, Note } from '@aztec/circuit-types';
 import { GeneratorIndex, computeAppNullifierSecretKey, deriveKeys } from '@aztec/circuits.js';
-import { computeInnerNoteHash, computeNoteContentHash, computeUniqueNoteHash, siloNoteHash } from '@aztec/circuits.js/hash';
+import {
+  computeInnerNoteHash,
+  computeNoteContentHash,
+  computeUniqueNoteHash,
+  siloNoteHash,
+} from '@aztec/circuits.js/hash';
 import {
   ABIParameterVisibility,
   type FunctionArtifactWithDebugMetadata,
   getFunctionArtifact,
 } from '@aztec/foundation/abi';
 import { AztecAddress } from '@aztec/foundation/aztec-address';
-import { pedersenHash, poseidon2Hash } from '@aztec/foundation/crypto';
+import { poseidon2Hash } from '@aztec/foundation/crypto';
 import { Fr } from '@aztec/foundation/fields';
 import { TokenContractArtifact } from '@aztec/noir-contracts.js/Token';