diff --git a/src/node/rpc/call.rs b/src/node/rpc/call.rs
index a1eaebfce..c87e7055d 100644
--- a/src/node/rpc/call.rs
+++ b/src/node/rpc/call.rs
@@ -1,21 +1,15 @@
 use super::{HlEthApi, HlNodeCore};
 use crate::evm::transaction::HlTxEnv;
-use alloy_consensus::TxType;
-use alloy_primitives::{TxKind, U256};
 use alloy_rpc_types::TransactionRequest;
-use alloy_signer::Either;
-use reth::rpc::server_types::eth::{revm_utils::CallFees, EthApiError, RpcInvalidTransactionError};
-use reth_evm::{block::BlockExecutorFactory, ConfigureEvm, EvmEnv, EvmFactory, SpecFor};
+use reth::rpc::server_types::eth::EthApiError;
+use reth_evm::{block::BlockExecutorFactory, ConfigureEvm, EvmFactory, TxEnvFor};
 use reth_primitives::NodePrimitives;
-use reth_provider::{ProviderHeader, ProviderTx};
+use reth_provider::{ProviderError, ProviderHeader, ProviderTx};
 use reth_rpc_eth_api::{
     helpers::{estimate::EstimateCall, Call, EthCall, LoadBlock, LoadState, SpawnBlocking},
-    FromEthApiError, FromEvmError, FullEthApiTypes, IntoEthApiError,
-};
-use revm::{
-    context::{Block as _, TxEnv},
-    Database,
+    FromEvmError, FullEthApiTypes, RpcConvert, RpcTypes,
 };
+use revm::context::TxEnv;
 
 impl<N> EthCall for HlEthApi<N>
 where
@@ -44,7 +38,11 @@ where
                     EvmFactory: EvmFactory<Tx = HlTxEnv<TxEnv>>,
                 >,
             >,
-            Error: FromEvmError<Self::Evm>,
+            RpcConvert: RpcConvert<TxEnv = TxEnvFor<Self::Evm>, Network = Self::NetworkTypes>,
+            NetworkTypes: RpcTypes<TransactionRequest: From<TransactionRequest>>,
+            Error: FromEvmError<Self::Evm>
+                       + From<<Self::RpcConvert as RpcConvert>::Error>
+                       + From<ProviderError>,
         > + SpawnBlocking,
     Self::Error: From<EthApiError>,
     N: HlNodeCore,
diff --git a/src/node/rpc/mod.rs b/src/node/rpc/mod.rs
index 695407a9e..42ffaf1f8 100644
--- a/src/node/rpc/mod.rs
+++ b/src/node/rpc/mod.rs
@@ -20,7 +20,6 @@ use reth::{
 };
 use reth_evm::ConfigureEvm;
 use reth_network::NetworkInfo;
-use reth_optimism_rpc::eth::EthApiNodeBackend;
 use reth_primitives::NodePrimitives;
 use reth_provider::{
     BlockNumReader, BlockReader, BlockReaderIdExt, ProviderBlock, ProviderHeader, ProviderReceipt,
@@ -31,11 +30,11 @@ use reth_rpc_eth_api::{
         AddDevSigners, EthApiSpec, EthFees, EthSigner, EthState, LoadBlock, LoadFee, LoadState,
         SpawnBlocking, Trace,
     },
-    EthApiTypes, FromEvmError, RpcNodeCore, RpcNodeCoreExt,
+    EthApiTypes, FromEvmError, RpcConverter, RpcNodeCore, RpcNodeCoreExt,
 };
 use std::{fmt, sync::Arc};
 
-use crate::HlPrimitives;
+use reth_optimism_rpc::eth::EthApiNodeBackend;
 
 mod block;
 mod call;
@@ -57,6 +56,8 @@ pub(crate) struct HlEthApiInner<N: HlNodeCore> {
 pub struct HlEthApi<N: HlNodeCore> {
     /// Gateway to node's core components.
     pub(crate) inner: Arc<HlEthApiInner<N>>,
+    /// Converter for RPC types.
+    tx_resp_builder: RpcConverter<Ethereum, N::Evm, EthApiError, ()>,
 }
 
 impl<N: HlNodeCore> fmt::Debug for HlEthApi<N> {
@@ -69,13 +70,14 @@ impl<N> EthApiTypes for HlEthApi<N>
 where
     Self: Send + Sync,
     N: HlNodeCore,
+    N::Evm: std::fmt::Debug,
 {
     type Error = EthApiError;
     type NetworkTypes = Ethereum;
-    type TransactionCompat = Self;
+    type RpcConvert = RpcConverter<Ethereum, N::Evm, EthApiError, ()>;
 
-    fn tx_resp_builder(&self) -> &Self::TransactionCompat {
-        self
+    fn tx_resp_builder(&self) -> &Self::RpcConvert {
+        &self.tx_resp_builder
     }
 }
 
@@ -83,7 +85,7 @@ impl<N> RpcNodeCore for HlEthApi<N>
 where
     N: HlNodeCore,
 {
-    type Primitives = HlPrimitives;
+    type Primitives = N::Primitives;
     type Provider = N::Provider;
     type Pool = N::Pool;
     type Evm = <N as RpcNodeCore>::Evm;
@@ -152,6 +154,7 @@ impl<N> SpawnBlocking for HlEthApi<N>
 where
     Self: Send + Sync + Clone + 'static,
     N: HlNodeCore,
+    N::Evm: std::fmt::Debug,
 {
     #[inline]
     fn io_task_spawner(&self) -> impl TaskSpawner {
@@ -189,11 +192,13 @@ where
     }
 }
 
-impl<N> LoadState for HlEthApi<N> where
+impl<N> LoadState for HlEthApi<N>
+where
     N: HlNodeCore<
         Provider: StateProviderFactory + ChainSpecProvider<ChainSpec: EthereumHardforks>,
         Pool: TransactionPool,
-    >
+    >,
+    N::Evm: std::fmt::Debug,
 {
 }
 
@@ -210,7 +215,11 @@ where
 
 impl<N> EthFees for HlEthApi<N>
 where
-    Self: LoadFee,
+    Self: LoadFee<
+        Provider: ChainSpecProvider<
+            ChainSpec: EthChainSpec<Header = ProviderHeader<Self::Provider>>,
+        >,
+    >,
     N: HlNodeCore,
 {
 }
@@ -268,6 +277,9 @@ where
         .proof_permits(ctx.config.proof_permits)
         .build_inner();
 
-        Ok(HlEthApi { inner: Arc::new(HlEthApiInner { eth_api }) })
+        Ok(HlEthApi {
+            inner: Arc::new(HlEthApiInner { eth_api }),
+            tx_resp_builder: Default::default(),
+        })
     }
 }
diff --git a/src/node/rpc/transaction.rs b/src/node/rpc/transaction.rs
index 4b9ed4b84..79738d100 100644
--- a/src/node/rpc/transaction.rs
+++ b/src/node/rpc/transaction.rs
@@ -1,28 +1,14 @@
 use super::HlNodeCore;
-use crate::{
-    node::{
-        primitives::{tx_wrapper::convert_recovered, TransactionSigned},
-        rpc::HlEthApi,
-    },
-    HlPrimitives,
-};
-use alloy_network::{Ethereum, Network};
-use alloy_primitives::{Bytes, Signature, B256};
+use crate::node::rpc::HlEthApi;
+use alloy_primitives::{Bytes, B256};
 use reth::{
-    builder::FullNodeComponents,
-    primitives::{Receipt, Recovered},
-    providers::ReceiptProvider,
-    rpc::{
-        eth::helpers::types::EthRpcConverter,
-        server_types::eth::{utils::recover_raw_transaction, EthApiError},
-        types::{TransactionInfo, TransactionRequest},
-    },
+    rpc::server_types::eth::utils::recover_raw_transaction,
     transaction_pool::{PoolTransaction, TransactionOrigin, TransactionPool},
 };
 use reth_provider::{BlockReader, BlockReaderIdExt, ProviderTx, TransactionsProvider};
 use reth_rpc_eth_api::{
     helpers::{EthSigner, EthTransactions, LoadTransaction, SpawnBlocking},
-    FromEthApiError, FullEthApiTypes, RpcNodeCore, RpcNodeCoreExt, TransactionCompat,
+    FromEthApiError, FullEthApiTypes, RpcNodeCore, RpcNodeCoreExt,
 };
 
 impl<N> LoadTransaction for HlEthApi<N>
@@ -33,41 +19,6 @@ where
 {
 }
 
-impl<N> TransactionCompat for HlEthApi<N>
-where
-    N: FullNodeComponents<Provider: ReceiptProvider<Receipt = Receipt>>,
-{
-    type Primitives = HlPrimitives;
-    type Transaction = <Ethereum as Network>::TransactionResponse;
-
-    type Error = EthApiError;
-
-    fn fill(
-        &self,
-        tx: Recovered<TransactionSigned>,
-        tx_info: TransactionInfo,
-    ) -> Result<Self::Transaction, Self::Error> {
-        let builder = EthRpcConverter::default();
-        builder.fill(convert_recovered(tx), tx_info)
-    }
-
-    fn build_simulate_v1_transaction(
-        &self,
-        request: TransactionRequest,
-    ) -> Result<TransactionSigned, Self::Error> {
-        let Ok(tx) = request.build_typed_tx() else {
-            return Err(EthApiError::TransactionConversionError);
-        };
-
-        // Create an empty signature for the transaction.
-        let signature = Signature::new(Default::default(), Default::default(), false);
-        Ok(TransactionSigned(reth_primitives::TransactionSigned::new_unhashed(
-            tx.into(),
-            signature,
-        )))
-    }
-}
-
 impl<N> EthTransactions for HlEthApi<N>
 where
     Self: LoadTransaction<Provider: BlockReaderIdExt>,