diff --git a/noir-projects/noir-contracts/contracts/app_subscription_contract/src/subscription_note.nr b/noir-projects/noir-contracts/contracts/app_subscription_contract/src/subscription_note.nr
index 0b30b02b70e0..c24e8e6ee745 100644
--- a/noir-projects/noir-contracts/contracts/app_subscription_contract/src/subscription_note.nr
+++ b/noir-projects/noir-contracts/contracts/app_subscription_contract/src/subscription_note.nr
@@ -1,6 +1,6 @@
 use dep::aztec::prelude::{AztecAddress, PrivateContext, NoteHeader, emit_encrypted_log, NoteInterface};
 use dep::aztec::{
-    constants::GENERATOR_INDEX__NULLIFIER, note::utils::compute_note_hash_for_consumption,
+    protocol_types::constants::GENERATOR_INDEX__NULLIFIER, note::utils::compute_note_hash_for_consumption,
     hash::poseidon2_hash,
     oracle::{nullifier_key::get_app_nullifier_secret_key, get_public_key::get_public_key}
 };
diff --git a/noir-projects/noir-contracts/contracts/docs_example_contract/src/types/card_note.nr b/noir-projects/noir-contracts/contracts/docs_example_contract/src/types/card_note.nr
index 617b24ef0254..c4ecfacc3239 100644
--- a/noir-projects/noir-contracts/contracts/docs_example_contract/src/types/card_note.nr
+++ b/noir-projects/noir-contracts/contracts/docs_example_contract/src/types/card_note.nr
@@ -2,7 +2,7 @@ use dep::aztec::prelude::{AztecAddress, NoteInterface, NoteHeader, PrivateContex
 use dep::aztec::{
     note::{utils::compute_note_hash_for_consumption},
     oracle::{nullifier_key::get_app_nullifier_secret_key, get_public_key::get_public_key},
-    hash::pedersen_hash, protocol_types::traits::Empty
+    hash::poseidon2_hash, protocol_types::{traits::Empty, constants::GENERATOR_INDEX__NULLIFIER},
 };
 
 // Shows how to create a custom note
@@ -28,19 +28,21 @@ impl NoteInterface<CARD_NOTE_LEN> for CardNote {
     fn compute_nullifier(self, context: &mut PrivateContext) -> Field {
         let note_hash_for_nullify = compute_note_hash_for_consumption(self);
         let secret = context.request_app_nullifier_secret_key(self.owner);
-        pedersen_hash([
+        poseidon2_hash([
             note_hash_for_nullify,
             secret,
-        ],0)
+            GENERATOR_INDEX__NULLIFIER as Field,
+        ])
     }
 
     fn compute_nullifier_without_context(self) -> Field {
         let note_hash_for_nullify = compute_note_hash_for_consumption(self);
         let secret = get_app_nullifier_secret_key(self.owner);
-        pedersen_hash([
+        poseidon2_hash([
             note_hash_for_nullify,
             secret,
-        ],0)
+            GENERATOR_INDEX__NULLIFIER as Field,
+        ])
     }
 
     // Broadcasts the note as an encrypted log on L1.
diff --git a/noir-projects/noir-contracts/contracts/ecdsa_account_contract/src/ecdsa_public_key_note.nr b/noir-projects/noir-contracts/contracts/ecdsa_account_contract/src/ecdsa_public_key_note.nr
index 22144f965af5..62a22e438d1c 100644
--- a/noir-projects/noir-contracts/contracts/ecdsa_account_contract/src/ecdsa_public_key_note.nr
+++ b/noir-projects/noir-contracts/contracts/ecdsa_account_contract/src/ecdsa_public_key_note.nr
@@ -6,7 +6,7 @@ use dep::aztec::prelude::{
 use dep::aztec::{
     note::utils::compute_note_hash_for_consumption,
     oracle::{nullifier_key::get_app_nullifier_secret_key, get_public_key::get_public_key},
-    hash::pedersen_hash
+    hash::poseidon2_hash, protocol_types::constants::GENERATOR_INDEX__NULLIFIER,
 };
 
 global ECDSA_PUBLIC_KEY_NOTE_LEN: Field = 5;
@@ -67,23 +67,23 @@ impl NoteInterface<ECDSA_PUBLIC_KEY_NOTE_LEN> for EcdsaPublicKeyNote {
     }
 
    fn compute_nullifier(self, context: &mut PrivateContext) -> Field {
-        let unique_siloed_note_hash = compute_note_hash_for_consumption(self);
+        let note_hash_for_nullify = compute_note_hash_for_consumption(self);
         let secret = context.request_app_nullifier_secret_key(self.owner);
-        // TODO(#1205) Should use a non-zero generator index.
-        pedersen_hash([
-            unique_siloed_note_hash,
+        poseidon2_hash([
+            note_hash_for_nullify,
             secret,
-        ],0)
+            GENERATOR_INDEX__NULLIFIER as Field,
+        ])
     }
 
     fn compute_nullifier_without_context(self) -> Field {
-        let unique_siloed_note_hash = compute_note_hash_for_consumption(self);
+        let note_hash_for_nullify = compute_note_hash_for_consumption(self);
         let secret = get_app_nullifier_secret_key(self.owner);
-        // TODO(#1205) Should use a non-zero generator index.
-        pedersen_hash([
-            unique_siloed_note_hash,
+        poseidon2_hash([
+            note_hash_for_nullify,
             secret,
-        ],0)
+            GENERATOR_INDEX__NULLIFIER as Field,
+        ])
     }
 
     // Broadcasts the note as an encrypted log on L1.
diff --git a/noir-projects/noir-contracts/contracts/schnorr_account_contract/src/public_key_note.nr b/noir-projects/noir-contracts/contracts/schnorr_account_contract/src/public_key_note.nr
index 39d25636db7a..66c1b77ac268 100644
--- a/noir-projects/noir-contracts/contracts/schnorr_account_contract/src/public_key_note.nr
+++ b/noir-projects/noir-contracts/contracts/schnorr_account_contract/src/public_key_note.nr
@@ -1,7 +1,8 @@
 use dep::aztec::prelude::{AztecAddress, NoteHeader, NoteInterface, PrivateContext, emit_encrypted_log};
 use dep::aztec::{
-    note::utils::compute_note_hash_for_consumption, hash::pedersen_hash,
-    oracle::{nullifier_key::get_app_nullifier_secret_key, get_public_key::get_public_key}
+    note::utils::compute_note_hash_for_consumption, hash::poseidon2_hash,
+    oracle::{nullifier_key::get_app_nullifier_secret_key, get_public_key::get_public_key},
+    protocol_types::constants::GENERATOR_INDEX__NULLIFIER,
 };
 
 global PUBLIC_KEY_NOTE_LEN: Field = 3;
@@ -17,23 +18,23 @@ struct PublicKeyNote {
 
 impl NoteInterface<PUBLIC_KEY_NOTE_LEN> for PublicKeyNote {
     fn compute_nullifier(self, context: &mut PrivateContext) -> Field {
-        let unique_siloed_note_hash = compute_note_hash_for_consumption(self);
+        let note_hash_for_nullify = compute_note_hash_for_consumption(self);
         let secret = context.request_app_nullifier_secret_key(self.owner);
-        // TODO(#1205) Should use a non-zero generator index.
-        pedersen_hash([
-            unique_siloed_note_hash,
+        poseidon2_hash([
+            note_hash_for_nullify,
             secret,
-        ],0)
+            GENERATOR_INDEX__NULLIFIER as Field,
+        ])
     }
 
     fn compute_nullifier_without_context(self) -> Field {
-        let unique_siloed_note_hash = compute_note_hash_for_consumption(self);
+        let note_hash_for_nullify = compute_note_hash_for_consumption(self);
         let secret = get_app_nullifier_secret_key(self.owner);
-        // TODO(#1205) Should use a non-zero generator index.
-        pedersen_hash([
-            unique_siloed_note_hash,
+        poseidon2_hash([
+            note_hash_for_nullify,
             secret,
-        ],0)
+            GENERATOR_INDEX__NULLIFIER as Field,
+        ])
     }
 
     // Broadcasts the note as an encrypted log on L1.
diff --git a/noir-projects/noir-contracts/contracts/token_blacklist_contract/src/types/token_note.nr b/noir-projects/noir-contracts/contracts/token_blacklist_contract/src/types/token_note.nr
index 3bd6b23d854c..3ac3081ba778 100644
--- a/noir-projects/noir-contracts/contracts/token_blacklist_contract/src/types/token_note.nr
+++ b/noir-projects/noir-contracts/contracts/token_blacklist_contract/src/types/token_note.nr
@@ -1,6 +1,9 @@
-use dep::aztec::prelude::{AztecAddress, NoteHeader, NoteInterface, PrivateContext, emit_encrypted_log};
-use dep::aztec::{note::utils::compute_note_hash_for_consumption, hash::pedersen_hash};
-use dep::aztec::oracle::{unsafe_rand::unsafe_rand, nullifier_key::get_app_nullifier_secret_key, get_public_key::get_public_key};
+use dep::aztec::{
+    prelude::{AztecAddress, NoteHeader, NoteInterface, PrivateContext, emit_encrypted_log},
+    protocol_types::constants::GENERATOR_INDEX__NULLIFIER,
+    note::utils::compute_note_hash_for_consumption, hash::poseidon2_hash,
+    oracle::{unsafe_rand::unsafe_rand, nullifier_key::get_app_nullifier_secret_key, get_public_key::get_public_key},
+};
 
 trait OwnedNote {
     fn new(amount: U128, owner: AztecAddress) -> Self;
@@ -27,22 +30,22 @@ impl NoteInterface<TOKEN_NOTE_LEN> for TokenNote {
     fn compute_nullifier(self, context: &mut PrivateContext) -> Field {
         let note_hash_for_nullify = compute_note_hash_for_consumption(self);
         let secret = context.request_app_nullifier_secret_key(self.owner);
-        // TODO(#1205) Should use a non-zero generator index.
-        pedersen_hash([
+        poseidon2_hash([
             note_hash_for_nullify,
             secret,
-        ],0)
+            GENERATOR_INDEX__NULLIFIER as Field,
+        ])
     }
     // docs:end:nullifier
 
     fn compute_nullifier_without_context(self) -> Field {
         let note_hash_for_nullify = compute_note_hash_for_consumption(self);
         let secret = get_app_nullifier_secret_key(self.owner);
-        // TODO(#1205) Should use a non-zero generator index.
-        pedersen_hash([
+        poseidon2_hash([
             note_hash_for_nullify,
             secret,
-        ],0)
+            GENERATOR_INDEX__NULLIFIER as Field,
+        ])
     }
 
     // Broadcasts the note as an encrypted log on L1.
diff --git a/noir-projects/noir-contracts/contracts/token_blacklist_contract/src/types/transparent_note.nr b/noir-projects/noir-contracts/contracts/token_blacklist_contract/src/types/transparent_note.nr
index 3e722a207f84..9b4eb9ef23a5 100644
--- a/noir-projects/noir-contracts/contracts/token_blacklist_contract/src/types/transparent_note.nr
+++ b/noir-projects/noir-contracts/contracts/token_blacklist_contract/src/types/transparent_note.nr
@@ -1,8 +1,8 @@
 // docs:start:token_types_all
-use dep::aztec::prelude::{NoteHeader, NoteInterface, PrivateContext};
 use dep::aztec::{
     note::{note_getter_options::PropertySelector, utils::compute_note_hash_for_consumption},
-    hash::{compute_secret_hash, pedersen_hash}
+    hash::poseidon2_hash, prelude::{NoteHeader, NoteInterface, PrivateContext},
+    protocol_types::constants::GENERATOR_INDEX__NULLIFIER
 };
 
 global TRANSPARENT_NOTE_LEN: Field = 2;
@@ -52,9 +52,11 @@ impl NoteInterface<TRANSPARENT_NOTE_LEN> for TransparentNote {
     //         circuit. 
     // This achieves that the note can only be spent by the party that knows the secret.
     fn compute_nullifier_without_context(self) -> Field {
-        let siloed_note_hash = compute_note_hash_for_consumption(self);
-        // TODO(#1205) Should use a non-zero generator index.
-        pedersen_hash([siloed_note_hash], 0)
+        let note_hash_for_nullify = compute_note_hash_for_consumption(self);
+        poseidon2_hash([
+            note_hash_for_nullify,
+            GENERATOR_INDEX__NULLIFIER as Field,
+        ])
     }
 
     fn broadcast(self, context: &mut PrivateContext, slot: Field) {
diff --git a/noir-projects/noir-contracts/contracts/token_contract/src/types/token_note.nr b/noir-projects/noir-contracts/contracts/token_contract/src/types/token_note.nr
index cd76d49659ce..3ac3081ba778 100644
--- a/noir-projects/noir-contracts/contracts/token_contract/src/types/token_note.nr
+++ b/noir-projects/noir-contracts/contracts/token_contract/src/types/token_note.nr
@@ -1,9 +1,9 @@
-use dep::aztec::prelude::{
-    AztecAddress, NoteInterface, NoteGetterOptions, NoteViewerOptions, NoteHeader, PrivateContext,
-    PrivateSet, Map, emit_encrypted_log
+use dep::aztec::{
+    prelude::{AztecAddress, NoteHeader, NoteInterface, PrivateContext, emit_encrypted_log},
+    protocol_types::constants::GENERATOR_INDEX__NULLIFIER,
+    note::utils::compute_note_hash_for_consumption, hash::poseidon2_hash,
+    oracle::{unsafe_rand::unsafe_rand, nullifier_key::get_app_nullifier_secret_key, get_public_key::get_public_key},
 };
-use dep::aztec::{note::utils::compute_note_hash_for_consumption, hash::pedersen_hash};
-use dep::aztec::oracle::{unsafe_rand::unsafe_rand, nullifier_key::get_app_nullifier_secret_key, get_public_key::get_public_key};
 
 trait OwnedNote {
     fn new(amount: U128, owner: AztecAddress) -> Self;
@@ -30,22 +30,22 @@ impl NoteInterface<TOKEN_NOTE_LEN> for TokenNote {
     fn compute_nullifier(self, context: &mut PrivateContext) -> Field {
         let note_hash_for_nullify = compute_note_hash_for_consumption(self);
         let secret = context.request_app_nullifier_secret_key(self.owner);
-        // TODO(#1205) Should use a non-zero generator index.
-        pedersen_hash([
+        poseidon2_hash([
             note_hash_for_nullify,
             secret,
-        ],0)
+            GENERATOR_INDEX__NULLIFIER as Field,
+        ])
     }
     // docs:end:nullifier
 
     fn compute_nullifier_without_context(self) -> Field {
         let note_hash_for_nullify = compute_note_hash_for_consumption(self);
         let secret = get_app_nullifier_secret_key(self.owner);
-        // TODO(#1205) Should use a non-zero generator index.
-        pedersen_hash([
+        poseidon2_hash([
             note_hash_for_nullify,
             secret,
-        ],0)
+            GENERATOR_INDEX__NULLIFIER as Field,
+        ])
     }
 
     // Broadcasts the note as an encrypted log on L1.
@@ -63,7 +63,7 @@ impl NoteInterface<TOKEN_NOTE_LEN> for TokenNote {
           );
       }
     }
- }
+}
 
 impl OwnedNote for TokenNote {
     fn new(amount: U128, owner: AztecAddress) -> Self {
@@ -82,5 +82,5 @@ impl OwnedNote for TokenNote {
     fn get_owner(self) -> AztecAddress {
         self.owner
     }
-
+   
 }
diff --git a/noir-projects/noir-contracts/contracts/token_contract/src/types/transparent_note.nr b/noir-projects/noir-contracts/contracts/token_contract/src/types/transparent_note.nr
index 3e722a207f84..9b4eb9ef23a5 100644
--- a/noir-projects/noir-contracts/contracts/token_contract/src/types/transparent_note.nr
+++ b/noir-projects/noir-contracts/contracts/token_contract/src/types/transparent_note.nr
@@ -1,8 +1,8 @@
 // docs:start:token_types_all
-use dep::aztec::prelude::{NoteHeader, NoteInterface, PrivateContext};
 use dep::aztec::{
     note::{note_getter_options::PropertySelector, utils::compute_note_hash_for_consumption},
-    hash::{compute_secret_hash, pedersen_hash}
+    hash::poseidon2_hash, prelude::{NoteHeader, NoteInterface, PrivateContext},
+    protocol_types::constants::GENERATOR_INDEX__NULLIFIER
 };
 
 global TRANSPARENT_NOTE_LEN: Field = 2;
@@ -52,9 +52,11 @@ impl NoteInterface<TRANSPARENT_NOTE_LEN> for TransparentNote {
     //         circuit. 
     // This achieves that the note can only be spent by the party that knows the secret.
     fn compute_nullifier_without_context(self) -> Field {
-        let siloed_note_hash = compute_note_hash_for_consumption(self);
-        // TODO(#1205) Should use a non-zero generator index.
-        pedersen_hash([siloed_note_hash], 0)
+        let note_hash_for_nullify = compute_note_hash_for_consumption(self);
+        poseidon2_hash([
+            note_hash_for_nullify,
+            GENERATOR_INDEX__NULLIFIER as Field,
+        ])
     }
 
     fn broadcast(self, context: &mut PrivateContext, slot: Field) {