diff --git a/examples/custom-node/src/network.rs b/examples/custom-node/src/network.rs
index bb03e400a6..23752f495b 100644
--- a/examples/custom-node/src/network.rs
+++ b/examples/custom-node/src/network.rs
@@ -1,7 +1,7 @@
 use crate::{
     chainspec::CustomChainSpec,
     primitives::{
-        CustomHeader, CustomNodePrimitives, CustomTransactionEnvelope, ExtendedOpTxEnvelope,
+        CustomHeader, CustomNodePrimitives, CustomTransaction, CustomTransactionEnvelope,
     },
 };
 use alloy_consensus::{Block, BlockBody};
@@ -22,9 +22,9 @@ pub struct CustomNetworkPrimitives;
 
 impl NetworkPrimitives for CustomNetworkPrimitives {
     type BlockHeader = CustomHeader;
-    type BlockBody = BlockBody<ExtendedOpTxEnvelope<CustomTransactionEnvelope>, CustomHeader>;
-    type Block = Block<ExtendedOpTxEnvelope<CustomTransactionEnvelope>, CustomHeader>;
-    type BroadcastedTransaction = ExtendedOpTxEnvelope<CustomTransactionEnvelope>;
+    type BlockBody = BlockBody<CustomTransaction, CustomHeader>;
+    type Block = Block<CustomTransaction, CustomHeader>;
+    type BroadcastedTransaction = CustomTransaction;
     type PooledTransaction = Extended<OpPooledTransaction, CustomTransactionEnvelope>;
     type Receipt = OpReceipt;
 }
diff --git a/examples/custom-node/src/primitives/block.rs b/examples/custom-node/src/primitives/block.rs
index 3de2831c41..d8db04e245 100644
--- a/examples/custom-node/src/primitives/block.rs
+++ b/examples/custom-node/src/primitives/block.rs
@@ -1,9 +1,7 @@
-use crate::primitives::{CustomHeader, CustomTransactionEnvelope, ExtendedOpTxEnvelope};
+use crate::primitives::{CustomHeader, CustomTransaction};
 
 /// The Block type of this node
-pub type Block =
-    alloy_consensus::Block<ExtendedOpTxEnvelope<CustomTransactionEnvelope>, CustomHeader>;
+pub type Block = alloy_consensus::Block<CustomTransaction, CustomHeader>;
 
 /// The body type of this node
-pub type BlockBody =
-    alloy_consensus::BlockBody<ExtendedOpTxEnvelope<CustomTransactionEnvelope>, CustomHeader>;
+pub type BlockBody = alloy_consensus::BlockBody<CustomTransaction, CustomHeader>;
diff --git a/examples/custom-node/src/primitives/mod.rs b/examples/custom-node/src/primitives/mod.rs
index dd9a2228a2..773ff4888c 100644
--- a/examples/custom-node/src/primitives/mod.rs
+++ b/examples/custom-node/src/primitives/mod.rs
@@ -22,6 +22,6 @@ impl NodePrimitives for CustomNodePrimitives {
     type Block = Block;
     type BlockHeader = CustomHeader;
     type BlockBody = BlockBody;
-    type SignedTx = ExtendedOpTxEnvelope<CustomTransactionEnvelope>;
+    type SignedTx = CustomTransaction;
     type Receipt = OpReceipt;
 }
diff --git a/examples/custom-node/src/primitives/tx.rs b/examples/custom-node/src/primitives/tx.rs
index 82d0436f5a..4b1f1e8824 100644
--- a/examples/custom-node/src/primitives/tx.rs
+++ b/examples/custom-node/src/primitives/tx.rs
@@ -20,6 +20,9 @@ use reth_op::primitives::{Extended, SignedTransaction};
 use revm_primitives::{Address, Bytes};
 use serde::{Deserialize, Serialize};
 
+/// An [`OpTxEnvelope`] that is [`Extended`] by one more variant of [`CustomTransactionEnvelope`].
+pub type CustomTransaction = ExtendedOpTxEnvelope<CustomTransactionEnvelope>;
+
 /// A [`SignedTransaction`] implementation that combines the [`OpTxEnvelope`] and another
 /// transaction type.
 pub type ExtendedOpTxEnvelope<T> = Extended<OpTxEnvelope, T>;