diff --git a/src/main.nr b/src/main.nr
index 1498049..1d026be 100644
--- a/src/main.nr
+++ b/src/main.nr
@@ -1,8 +1,5 @@
 contract EasyPrivateVoting {
-    use dep::aztec::prelude::{
-        AztecAddress, FunctionSelector, NoteHeader, NoteInterface, NoteGetterOptions, PrivateContext,
-        Map, PublicMutable, SharedImmutable
-    };
+    use dep::aztec::prelude::{AztecAddress, FunctionSelector, PrivateContext, Map, PublicMutable, SharedImmutable};
     #[aztec(storage)]
     struct Storage {
         admin: PublicMutable<AztecAddress>, // admin can end vote
@@ -28,7 +25,7 @@ contract EasyPrivateVoting {
 
         let secret = context.request_nsk_app(msg_sender_npk_m_hash); // get secret key of caller of function
         let nullifier = std::hash::pedersen_hash([context.msg_sender().to_field(), secret]); // derive nullifier from sender and secret
-        context.push_nullifier(nullifier, 0); // push nullifier
+        context.push_nullifier(nullifier);
         EasyPrivateVoting::at(context.this_address()).add_to_tally_public(candidate).enqueue(&mut context);
     }