diff --git a/packages/Cargo.lock b/packages/Cargo.lock
index 274ae40..95646bc 100644
--- a/packages/Cargo.lock
+++ b/packages/Cargo.lock
@@ -1833,7 +1833,7 @@ dependencies = [
 
 [[package]]
 name = "sidan-csl-rs"
-version = "0.5.1"
+version = "0.5.2"
 dependencies = [
  "cardano-serialization-lib",
  "cryptoxide",
@@ -2387,7 +2387,7 @@ dependencies = [
 
 [[package]]
 name = "whisky"
-version = "0.5.1"
+version = "0.5.2"
 dependencies = [
  "async-trait",
  "cardano-serialization-lib",
diff --git a/packages/sidan-csl-rs/Cargo.toml b/packages/sidan-csl-rs/Cargo.toml
index 9293d91..b4dc1d4 100644
--- a/packages/sidan-csl-rs/Cargo.toml
+++ b/packages/sidan-csl-rs/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "sidan-csl-rs"
-version = "0.5.1"
+version = "0.5.2"
 edition = "2021"
 license = "Apache-2.0"
 description = "Wrapper around the cardano-serialization-lib for easier transaction building, heavily inspired by cardano-cli APIs"
diff --git a/packages/sidan-csl-rs/src/builder/core.rs b/packages/sidan-csl-rs/src/builder/core.rs
index dd05116..132662d 100644
--- a/packages/sidan-csl-rs/src/builder/core.rs
+++ b/packages/sidan-csl-rs/src/builder/core.rs
@@ -1,5 +1,3 @@
-use pallas_traverse::cert;
-
 use crate::{
     core::builder::{IMeshCSL, MeshCSL},
     csl,
diff --git a/packages/sidan-csl-rs/src/core/builder.rs b/packages/sidan-csl-rs/src/core/builder.rs
index c12dc3b..0ac0efc 100644
--- a/packages/sidan-csl-rs/src/core/builder.rs
+++ b/packages/sidan-csl-rs/src/core/builder.rs
@@ -1,7 +1,5 @@
 use std::net::{Ipv4Addr, Ipv6Addr};
 
-use pallas_traverse::cert;
-
 use crate::{csl, model::*};
 
 use super::{utils::build_tx_builder, utils::sign_transaction, utils::to_bignum, utils::to_value};
@@ -409,19 +407,17 @@ impl IMeshCSL for MeshCSL {
             match relay {
                 Relay::SingleHostAddr(single_host_address_relay) => {
                     let ipv4_bytes: Option<csl::Ipv4> =
-                        single_host_address_relay.ipv4.map_or(None, |ipv4_str| {
+                        single_host_address_relay.ipv4.map(|ipv4_str| {
                             let addr: Ipv4Addr =
                                 ipv4_str.parse().expect("ipv4 address parse failed");
-
-                            Some(csl::Ipv4::new(addr.octets().to_vec()).unwrap())
+                            csl::Ipv4::new(addr.octets().to_vec()).unwrap()
                         });
 
                     let ipv6_bytes: Option<csl::Ipv6> =
-                        single_host_address_relay.ipv6.map_or(None, |ipv6_str| {
+                        single_host_address_relay.ipv6.map(|ipv6_str| {
                             let addr: Ipv6Addr =
                                 ipv6_str.parse().expect("ipv6 address parse failed");
-
-                            Some(csl::Ipv6::new(addr.octets().to_vec()).unwrap())
+                            csl::Ipv6::new(addr.octets().to_vec()).unwrap()
                         });
                     relays.add(&csl::Relay::new_single_host_addr(
                         &csl::SingleHostAddr::new(
@@ -470,11 +466,11 @@ impl IMeshCSL for MeshCSL {
                     .unwrap(),
                     &pool_owners,
                     &relays,
-                    register_pool.pool_params.metadata.map_or(None, |data| {
-                        Some(csl::PoolMetadata::new(
+                    register_pool.pool_params.metadata.map(|data| {
+                        csl::PoolMetadata::new(
                             &csl::URL::new(data.url).unwrap(),
                             &csl::PoolMetadataHash::from_hex(&data.hash).unwrap(),
-                        ))
+                        )
                     }),
                 )),
             ))
diff --git a/packages/whisky/Cargo.toml b/packages/whisky/Cargo.toml
index 7fc4a15..2c6fa81 100644
--- a/packages/whisky/Cargo.toml
+++ b/packages/whisky/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "whisky"
-version = "0.5.1"
+version = "0.5.2"
 edition = "2021"
 license = "Apache-2.0"
 description = "The Cardano Rust SDK, inspired by MeshJS"
@@ -24,7 +24,7 @@ noop_proc_macro = "0.3.0"
 pallas-codec = "0.22.0"
 pallas-primitives = "0.22.0"
 pallas-traverse = "0.22.0"
-sidan-csl-rs = { version = "=0.5.1", path = "../sidan-csl-rs" }
+sidan-csl-rs = { version = "=0.5.2", path = "../sidan-csl-rs" }
 
 [profile.release]
 # Tell `rustc` to optimize for small code size.