diff --git a/key_protocol/src/key_management/mod.rs b/key_protocol/src/key_management/mod.rs
index 73e1ab5..e939fcc 100644
--- a/key_protocol/src/key_management/mod.rs
+++ b/key_protocol/src/key_management/mod.rs
@@ -1,4 +1,3 @@
-use common::TreeHashType;
 use log::info;
 use nssa_core::{
     NullifierPublicKey, SharedSecretKey,
@@ -6,7 +5,6 @@ use nssa_core::{
 };
 use secret_holders::{PrivateKeyHolder, SecretSpendingKey, SeedHolder};
 use serde::{Deserialize, Serialize};
-use sha2::{Digest, digest::FixedOutput};
 
 pub type PublicAccountSigningKey = [u8; 32];
 
diff --git a/nssa/core/src/account.rs b/nssa/core/src/account.rs
index 889592d..8bce23c 100644
--- a/nssa/core/src/account.rs
+++ b/nssa/core/src/account.rs
@@ -90,7 +90,7 @@ mod tests {
         };
         let fingerprint = AccountId::new([8; 32]);
         let new_acc_with_metadata =
-            AccountWithMetadata::new(account.clone(), true, fingerprint.clone());
+            AccountWithMetadata::new(account.clone(), true, fingerprint);
         assert_eq!(new_acc_with_metadata.account, account);
         assert!(new_acc_with_metadata.is_authorized);
         assert_eq!(new_acc_with_metadata.account_id, fingerprint);
diff --git a/nssa/core/src/address.rs b/nssa/core/src/address.rs
index 14a3018..bbfc6f2 100644
--- a/nssa/core/src/address.rs
+++ b/nssa/core/src/address.rs
@@ -1,10 +1,7 @@
-use risc0_zkvm::sha::{Impl, Sha256};
 use std::{fmt::Display, str::FromStr};
 
 use serde::{Deserialize, Serialize};
 
-use crate::account::AccountId;
-
 #[derive(Serialize, Deserialize, Clone, PartialEq, Eq)]
 #[cfg_attr(
     any(feature = "host", test),
@@ -62,7 +59,7 @@ impl Display for Address {
 
 #[cfg(test)]
 mod tests {
-    use crate::account::AccountId;
+    
 
     use super::{Address, AddressError};
 
diff --git a/nssa/src/lib.rs b/nssa/src/lib.rs
index bf90598..21defa9 100644
--- a/nssa/src/lib.rs
+++ b/nssa/src/lib.rs
@@ -7,8 +7,8 @@ pub mod public_transaction;
 mod signature;
 mod state;
 
-pub use nssa_core::address::Address;
 pub use nssa_core::account::{Account, AccountId};
+pub use nssa_core::address::Address;
 pub use privacy_preserving_transaction::{
     PrivacyPreservingTransaction, circuit::execute_and_prove,
 };
diff --git a/nssa/src/state.rs b/nssa/src/state.rs
index ff7431a..d9bff5a 100644
--- a/nssa/src/state.rs
+++ b/nssa/src/state.rs
@@ -4,7 +4,10 @@ use crate::{
     public_transaction::PublicTransaction,
 };
 use nssa_core::{
-    account::Account, address::Address, program::{ProgramId, DEFAULT_PROGRAM_ID}, Commitment, CommitmentSetDigest, MembershipProof, Nullifier
+    Commitment, CommitmentSetDigest, MembershipProof, Nullifier,
+    account::Account,
+    address::Address,
+    program::{DEFAULT_PROGRAM_ID, ProgramId},
 };
 use std::collections::{HashMap, HashSet};