diff --git a/src/addons/hl_node_compliance.rs b/src/addons/hl_node_compliance.rs
index 4c1bcdd7f..621e2443b 100644
--- a/src/addons/hl_node_compliance.rs
+++ b/src/addons/hl_node_compliance.rs
@@ -106,46 +106,15 @@ impl<Eth: EthWrapper> HlSystemTransactionExt<Eth> {
     pub fn new(eth_api: Eth) -> Self {
         Self { eth_api, _marker: PhantomData }
     }
-}
 
-#[async_trait]
-impl<Eth: EthWrapper>
-    EthSystemTransactionApiServer<RpcTransaction<Eth::NetworkTypes>, RpcReceipt<Eth::NetworkTypes>>
-    for HlSystemTransactionExt<Eth>
-where
-    jsonrpsee_types::ErrorObject<'static>: From<<Eth as EthApiTypes>::Error>,
-{
-    /// Returns the system transactions for a given block hash.
-    /// Semi-compliance with the `eth_getSystemTxsByBlockHash` RPC method introduced by hl-node.
-    /// https://hyperliquid.gitbook.io/hyperliquid-docs/for-developers/hyperevm/json-rpc
-    ///
-    /// NOTE: Method name differs from hl-node because we retrieve transaction data from EVM
-    /// (signature recovery for 'from' address, EVM hash calculation) rather than HyperCore.
-    async fn get_evm_system_txs_by_block_hash(
+    async fn get_system_txs_by_block_id(
         &self,
-        hash: B256,
-    ) -> RpcResult<Option<Vec<RpcTransaction<Eth::NetworkTypes>>>> {
-        trace!(target: "rpc::eth", ?hash, "Serving eth_getEvmSystemTxsByBlockHash");
-        match self.get_evm_system_txs_by_block_number(Some(BlockId::Hash(hash.into()))).await {
-            Ok(Some(txs)) => Ok(Some(txs)),
-            // hl-node returns none if the block is not found
-            _ => Ok(None),
-        }
-    }
-
-    /// Returns the system transactions for a given block number, or the latest block if no block
-    /// number is provided. Semi-compliance with the `eth_getSystemTxsByBlockNumber` RPC method
-    /// introduced by hl-node. https://hyperliquid.gitbook.io/hyperliquid-docs/for-developers/hyperevm/json-rpc
-    ///
-    /// NOTE: Method name differs from hl-node because we retrieve transaction data from EVM
-    /// (signature recovery for 'from' address, EVM hash calculation) rather than HyperCore.
-    async fn get_evm_system_txs_by_block_number(
-        &self,
-        id: Option<BlockId>,
-    ) -> RpcResult<Option<Vec<RpcTransaction<Eth::NetworkTypes>>>> {
-        trace!(target: "rpc::eth", ?id, "Serving eth_getEvmSystemTxsByBlockNumber");
-
-        if let Some(block) = self.eth_api.recovered_block(id.unwrap_or_default()).await? {
+        block_id: BlockId,
+    ) -> RpcResult<Option<Vec<RpcTransaction<Eth::NetworkTypes>>>>
+    where
+        jsonrpsee_types::ErrorObject<'static>: From<<Eth as EthApiTypes>::Error>,
+    {
+        if let Some(block) = self.eth_api.recovered_block(block_id).await? {
             let block_hash = block.hash();
             let block_number = block.number();
             let base_fee_per_gas = block.base_fee_per_gas();
@@ -172,39 +141,19 @@ where
                 .collect();
             Ok(Some(system_txs))
         } else {
-            // hl-node returns an error if the block is not found
-            Err(ErrorObject::owned(
-                INTERNAL_ERROR_CODE,
-                format!("invalid block height: {id:?}"),
-                Some(()),
-            ))
+            Ok(None)
         }
     }
 
-    /// Returns the receipts for the system transactions for a given block hash.
-    async fn get_evm_system_txs_receipts_by_block_hash(
+    async fn get_system_txs_receipts_by_block_id(
         &self,
-        hash: B256,
-    ) -> RpcResult<Option<Vec<RpcReceipt<Eth::NetworkTypes>>>> {
-        trace!(target: "rpc::eth", ?hash, "Serving eth_getEvmSystemTxsReceiptsByBlockHash");
-        match self
-            .get_evm_system_txs_receipts_by_block_number(Some(BlockId::Hash(hash.into())))
-            .await
-        {
-            Ok(Some(receipts)) => Ok(Some(receipts)),
-            _ => Ok(None),
-        }
-    }
-
-    /// Returns the receipts for the system transactions for a given block number, or the latest
-    /// block if no block
-    async fn get_evm_system_txs_receipts_by_block_number(
-        &self,
-        block_id: Option<BlockId>,
-    ) -> RpcResult<Option<Vec<RpcReceipt<Eth::NetworkTypes>>>> {
-        trace!(target: "rpc::eth", ?block_id, "Serving eth_getEvmSystemTxsReceiptsByBlockNumber");
+        block_id: BlockId,
+    ) -> RpcResult<Option<Vec<RpcReceipt<Eth::NetworkTypes>>>>
+    where
+        jsonrpsee_types::ErrorObject<'static>: From<<Eth as EthApiTypes>::Error>,
+    {
         if let Some((block, receipts)) =
-            EthBlocks::load_block_and_receipts(&self.eth_api, block_id.unwrap_or_default()).await?
+            EthBlocks::load_block_and_receipts(&self.eth_api, block_id).await?
         {
             let block_number = block.number;
             let base_fee = block.base_fee_per_gas;
@@ -249,11 +198,87 @@ where
             let receipts = self.eth_api.tx_resp_builder().convert_receipts(inputs)?;
             Ok(Some(receipts))
         } else {
-            Err(ErrorObject::owned(
+            Ok(None)
+        }
+    }
+}
+
+#[async_trait]
+impl<Eth: EthWrapper>
+    EthSystemTransactionApiServer<RpcTransaction<Eth::NetworkTypes>, RpcReceipt<Eth::NetworkTypes>>
+    for HlSystemTransactionExt<Eth>
+where
+    jsonrpsee_types::ErrorObject<'static>: From<<Eth as EthApiTypes>::Error>,
+{
+    /// Returns the system transactions for a given block hash.
+    /// Semi-compliance with the `eth_getSystemTxsByBlockHash` RPC method introduced by hl-node.
+    /// https://hyperliquid.gitbook.io/hyperliquid-docs/for-developers/hyperevm/json-rpc
+    ///
+    /// NOTE: Method name differs from hl-node because we retrieve transaction data from EVM
+    /// (signature recovery for 'from' address, EVM hash calculation) rather than HyperCore.
+    async fn get_evm_system_txs_by_block_hash(
+        &self,
+        hash: B256,
+    ) -> RpcResult<Option<Vec<RpcTransaction<Eth::NetworkTypes>>>> {
+        trace!(target: "rpc::eth", ?hash, "Serving eth_getEvmSystemTxsByBlockHash");
+        match self.get_system_txs_by_block_id(BlockId::Hash(hash.into())).await {
+            Ok(txs) => Ok(txs),
+            // hl-node returns none if the block is not found
+            Err(_) => Ok(None),
+        }
+    }
+
+    /// Returns the system transactions for a given block number, or the latest block if no block
+    /// number is provided. Semi-compliance with the `eth_getSystemTxsByBlockNumber` RPC method
+    /// introduced by hl-node. https://hyperliquid.gitbook.io/hyperliquid-docs/for-developers/hyperevm/json-rpc
+    ///
+    /// NOTE: Method name differs from hl-node because we retrieve transaction data from EVM
+    /// (signature recovery for 'from' address, EVM hash calculation) rather than HyperCore.
+    async fn get_evm_system_txs_by_block_number(
+        &self,
+        id: Option<BlockId>,
+    ) -> RpcResult<Option<Vec<RpcTransaction<Eth::NetworkTypes>>>> {
+        trace!(target: "rpc::eth", ?id, "Serving eth_getEvmSystemTxsByBlockNumber");
+        match self.get_system_txs_by_block_id(id.unwrap_or_default()).await? {
+            Some(txs) => Ok(Some(txs)),
+            None => {
+                // hl-node returns an error if the block is not found
+                Err(ErrorObject::owned(
+                    INTERNAL_ERROR_CODE,
+                    format!("invalid block height: {id:?}"),
+                    Some(()),
+                ))
+            }
+        }
+    }
+
+    /// Returns the receipts for the system transactions for a given block hash.
+    async fn get_evm_system_txs_receipts_by_block_hash(
+        &self,
+        hash: B256,
+    ) -> RpcResult<Option<Vec<RpcReceipt<Eth::NetworkTypes>>>> {
+        trace!(target: "rpc::eth", ?hash, "Serving eth_getEvmSystemTxsReceiptsByBlockHash");
+        match self.get_system_txs_receipts_by_block_id(BlockId::Hash(hash.into())).await {
+            Ok(receipts) => Ok(receipts),
+            // hl-node returns none if the block is not found
+            Err(_) => Ok(None),
+        }
+    }
+
+    /// Returns the receipts for the system transactions for a given block number, or the latest
+    /// block if no block
+    async fn get_evm_system_txs_receipts_by_block_number(
+        &self,
+        block_id: Option<BlockId>,
+    ) -> RpcResult<Option<Vec<RpcReceipt<Eth::NetworkTypes>>>> {
+        trace!(target: "rpc::eth", ?block_id, "Serving eth_getEvmSystemTxsReceiptsByBlockNumber");
+        match self.get_system_txs_receipts_by_block_id(block_id.unwrap_or_default()).await? {
+            Some(receipts) => Ok(Some(receipts)),
+            None => Err(ErrorObject::owned(
                 INTERNAL_ERROR_CODE,
                 format!("invalid block height: {block_id:?}"),
                 Some(()),
-            ))
+            )),
         }
     }
 }