diff --git a/crates/primitives-traits/Cargo.toml b/crates/primitives-traits/Cargo.toml
index 296597d78284..995da07f934c 100644
--- a/crates/primitives-traits/Cargo.toml
+++ b/crates/primitives-traits/Cargo.toml
@@ -51,22 +51,26 @@ proptest = { workspace = true, optional = true }
 proptest-arbitrary-interop = { workspace = true, optional = true }
 
 [dev-dependencies]
-alloy-primitives = { workspace = true, features = ["arbitrary"] }
-alloy-consensus = { workspace = true, features = ["arbitrary"] }
+reth-codecs.workspace = true
 
+alloy-primitives = { workspace = true, features = ["arbitrary", "serde"] }
+alloy-consensus = { workspace = true, features = ["arbitrary", "serde"] }
+
+arbitrary = { workspace = true, features = ["derive"] }
 secp256k1 = { workspace = true, features = [
 	"recovery",
 	"global-context",
 	"rand"
 ] }
 bincode.workspace = true
+byteorder.workspace = true
 proptest-arbitrary-interop.workspace = true
 proptest.workspace = true
 rand.workspace = true
+serde.workspace = true
 serde_json.workspace = true
 test-fuzz.workspace = true
 modular-bitfield.workspace = true
-serde.workspace = true
 
 [features]
 default = ["std"]
diff --git a/crates/primitives-traits/src/account.rs b/crates/primitives-traits/src/account.rs
index 7ea618315fd9..64ce209e7f5e 100644
--- a/crates/primitives-traits/src/account.rs
+++ b/crates/primitives-traits/src/account.rs
@@ -25,7 +25,7 @@ pub mod compact_ids {
 }
 
 /// An Ethereum account.
-#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
+#[cfg_attr(any(test, feature = "serde"), derive(serde::Serialize, serde::Deserialize))]
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Default)]
 #[cfg_attr(any(test, feature = "arbitrary"), derive(arbitrary::Arbitrary))]
 #[cfg_attr(any(test, feature = "reth-codec"), derive(reth_codecs::Compact))]
diff --git a/crates/primitives-traits/src/crypto.rs b/crates/primitives-traits/src/crypto.rs
index aba6107272e3..99a6521cd3c5 100644
--- a/crates/primitives-traits/src/crypto.rs
+++ b/crates/primitives-traits/src/crypto.rs
@@ -56,8 +56,8 @@ pub mod secp256k1 {
     }
 }
 
-#[cfg(feature = "secp256k1")]
-#[allow(unused)]
+#[cfg(any(test, feature = "secp256k1"))]
+#[allow(unused, unreachable_pub)]
 mod impl_secp256k1 {
     use super::*;
     pub(crate) use ::secp256k1::Error;
@@ -196,9 +196,9 @@ mod tests {
             sign_message(B256::from_slice(&secret.to_bytes()[..]), hash).expect("sign message");
 
         let mut sig: [u8; 65] = [0; 65];
-        sig[0..32].copy_from_slice(&signature.r.to_be_bytes::<32>());
-        sig[32..64].copy_from_slice(&signature.s.to_be_bytes::<32>());
-        sig[64] = signature.odd_y_parity as u8;
+        sig[0..32].copy_from_slice(&signature.r().to_be_bytes::<32>());
+        sig[32..64].copy_from_slice(&signature.s().to_be_bytes::<32>());
+        sig[64] = signature.v() as u8;
 
         assert_eq!(recover_signer_unchecked(&sig, &hash).ok(), Some(signer));
     }