diff --git a/crates/rpc-client/src/builtin.rs b/crates/rpc-client/src/builtin.rs
index 911e115ef86..f04265b91d7 100644
--- a/crates/rpc-client/src/builtin.rs
+++ b/crates/rpc-client/src/builtin.rs
@@ -1,9 +1,8 @@
-use std::str::FromStr;
-
 use alloy_json_rpc::RpcError;
 use alloy_transport::{BoxTransport, BoxTransportConnect, TransportError, TransportErrorKind};
+use std::str::FromStr;
 
-#[cfg(feature = "pubsub")]
+#[cfg(any(feature = "ws", feature = "ipc"))]
 use alloy_pubsub::PubSubConnect;
 
 /// Connection string for built-in transports.
diff --git a/crates/rpc-types-engine/src/jwt.rs b/crates/rpc-types-engine/src/jwt.rs
index b9b8e68862e..697b2d3136e 100644
--- a/crates/rpc-types-engine/src/jwt.rs
+++ b/crates/rpc-types-engine/src/jwt.rs
@@ -1,18 +1,20 @@
 //! JWT (JSON Web Token) utilities for the Engine API.
 
-use alloc::{format, string::String};
+use alloc::string::String;
 use alloy_primitives::hex;
 use core::{str::FromStr, time::Duration};
-use jsonwebtoken::{
-    decode, errors::ErrorKind, get_current_timestamp, Algorithm, DecodingKey, Validation,
-};
+use jsonwebtoken::get_current_timestamp;
 use rand::Rng;
+
 #[cfg(feature = "std")]
 use std::{
     fs, io,
     path::{Path, PathBuf},
 };
 
+#[cfg(feature = "serde")]
+use jsonwebtoken::{errors::ErrorKind, Algorithm, DecodingKey, Validation};
+
 /// Errors returned by the [`JwtSecret`]
 #[derive(Debug, derive_more::Display)]
 pub enum JwtError {
@@ -106,6 +108,7 @@ const JWT_SECRET_LEN: usize = 64;
 const JWT_MAX_IAT_DIFF: Duration = Duration::from_secs(60);
 
 /// The execution layer client MUST support at least the following alg HMAC + SHA256 (HS256)
+#[cfg(feature = "serde")]
 const JWT_SIGNATURE_ALGO: Algorithm = Algorithm::HS256;
 
 /// Claims in JWT are used to represent a set of information about an entity.
@@ -223,7 +226,7 @@ impl JwtSecret {
         validation.set_required_spec_claims(&["iat"]);
         let bytes = &self.0;
 
-        match decode::<Claims>(jwt, &DecodingKey::from_secret(bytes), &validation) {
+        match jsonwebtoken::decode::<Claims>(jwt, &DecodingKey::from_secret(bytes), &validation) {
             Ok(token) => {
                 if !token.claims.is_within_time_window() {
                     Err(JwtError::InvalidIssuanceTimestamp)?
diff --git a/crates/rpc-types-engine/src/lib.rs b/crates/rpc-types-engine/src/lib.rs
index aff1c62d518..3c8ae1b5d2e 100644
--- a/crates/rpc-types-engine/src/lib.rs
+++ b/crates/rpc-types-engine/src/lib.rs
@@ -7,6 +7,8 @@
 #![cfg_attr(docsrs, feature(doc_cfg, doc_auto_cfg))]
 #![cfg_attr(not(feature = "std"), no_std)]
 
+#[macro_use]
+#[allow(unused_imports)]
 extern crate alloc;
 
 mod cancun;
diff --git a/crates/rpc-types-eth/Cargo.toml b/crates/rpc-types-eth/Cargo.toml
index 04c53208013..ab2af043485 100644
--- a/crates/rpc-types-eth/Cargo.toml
+++ b/crates/rpc-types-eth/Cargo.toml
@@ -70,7 +70,7 @@ arbitrary = [
     "std",
     "dep:arbitrary",
     "alloy-primitives/arbitrary",
-    "alloy-serde/arbitrary",
+    "alloy-serde?/arbitrary",
     "alloy-eips/arbitrary",
 ]
 jsonrpsee-types = ["dep:jsonrpsee-types"]
diff --git a/crates/rpc-types/Cargo.toml b/crates/rpc-types/Cargo.toml
index 80ff9b5ff26..56a85a64d8d 100644
--- a/crates/rpc-types/Cargo.toml
+++ b/crates/rpc-types/Cargo.toml
@@ -19,7 +19,7 @@ rustdoc-args = ["--cfg", "docsrs"]
 workspace = true
 
 [dependencies]
-alloy-primitives.workspace = true
+alloy-primitives = { workspace = true, features = ["map"] }
 alloy-serde.workspace = true
 alloy-rpc-types-admin = { workspace = true, optional = true }
 alloy-rpc-types-anvil = { workspace = true, optional = true }
diff --git a/crates/signer-local/Cargo.toml b/crates/signer-local/Cargo.toml
index f0ff36c73d8..e5d41c93729 100644
--- a/crates/signer-local/Cargo.toml
+++ b/crates/signer-local/Cargo.toml
@@ -30,7 +30,6 @@ thiserror.workspace = true
 async-trait.workspace = true
 
 # keystore
-elliptic-curve = { workspace = true, optional = true }
 eth-keystore = { version = "0.5.0", default-features = false, optional = true }
 
 # mnemonic
@@ -40,7 +39,12 @@ coins-bip39 = { version = "0.12", default-features = false, features = [
 ], optional = true }
 
 # yubi
-yubihsm = { version = "0.42", features = ["secp256k1", "http", "usb"], optional = true }
+elliptic-curve = { workspace = true, optional = true }
+yubihsm = { version = "0.42", features = [
+    "secp256k1",
+    "http",
+    "usb",
+], optional = true }
 
 [dev-dependencies]
 alloy-dyn-abi.workspace = true
@@ -57,7 +61,7 @@ tokio = { workspace = true, features = ["macros", "rt-multi-thread"] }
 yubihsm = { version = "0.42", features = ["mockhsm"] }
 
 [features]
-keystore = ["dep:eth-keystore", "dep:elliptic-curve"]
+keystore = ["dep:eth-keystore"]
 keystore-geth-compat = ["keystore", "eth-keystore?/geth-compat"]
 mnemonic = ["dep:coins-bip32", "dep:coins-bip39"]
 mnemonic-all-languages = ["mnemonic", "coins-bip39?/all-langs"]