diff --git a/packages/client/src/rpc/helpers.ts b/packages/client/src/rpc/helpers.ts
index ab95ad98df..cd12f244dc 100644
--- a/packages/client/src/rpc/helpers.ts
+++ b/packages/client/src/rpc/helpers.ts
@@ -44,7 +44,7 @@ export const toJSONRPCTx = (
     merkleBranch: Uint8Array[]
     transactionsRoot: Uint8Array
     transactionRoot: Uint8Array
-  }
+  },
 ): JSONRPCTx => {
   const txJSON = tx.toJSON()
   return {
diff --git a/packages/client/src/rpc/modules/engine/validators.ts b/packages/client/src/rpc/modules/engine/validators.ts
index aab3b2d8cb..dd9b05a5c1 100644
--- a/packages/client/src/rpc/modules/engine/validators.ts
+++ b/packages/client/src/rpc/modules/engine/validators.ts
@@ -10,7 +10,7 @@ const transaction = validators.hexOrObject(
         validators.object({
           regular: validators.nullOptional(validators.uint256),
           blob: validators.nullOptional(validators.uint256),
-        })
+        }),
       ),
       gas: validators.nullOptional(validators.uint64),
       to: validators.nullOptional(validators.address),
@@ -21,14 +21,14 @@ const transaction = validators.hexOrObject(
           validators.object({
             address: validators.address,
             storageKeys: validators.array(validators.bytes32),
-          })
-        )
+          }),
+        ),
       ),
       maxPriorityFeesPerGas: validators.nullOptional(
         validators.object({
           regular: validators.nullOptional(validators.uint256),
           blob: validators.nullOptional(validators.uint256),
-        })
+        }),
       ),
       blobVersionedHashes: validators.nullOptional(validators.array(validators.bytes32)),
     }),
@@ -36,7 +36,7 @@ const transaction = validators.hexOrObject(
       from: validators.nullOptional(validators.address),
       ecdsaSignature: validators.nullOptional(validators.hex),
     }),
-  })
+  }),
 )
 
 export const executionPayloadV1FieldValidators = {
diff --git a/packages/client/src/rpc/modules/eth.ts b/packages/client/src/rpc/modules/eth.ts
index 697d9dba4a..43a89932d5 100644
--- a/packages/client/src/rpc/modules/eth.ts
+++ b/packages/client/src/rpc/modules/eth.ts
@@ -825,7 +825,7 @@ export class Eth {
           transactionsRoot: block.header.transactionsTrie,
           ...ssz.computeTransactionInclusionProof(
             block.transactions.map((tx) => tx.sszRaw()),
-            txIndex
+            txIndex,
           ),
         }
       }
@@ -861,7 +861,7 @@ export class Eth {
           transactionsRoot: block.header.transactionsTrie,
           ...ssz.computeTransactionInclusionProof(
             block.transactions.map((tx) => tx.sszRaw()),
-            txIndex
+            txIndex,
           ),
         }
       }
@@ -895,7 +895,7 @@ export class Eth {
         transactionsRoot: block.header.transactionsTrie,
         ...ssz.computeTransactionInclusionProof(
           block.transactions.map((tx) => tx.sszRaw()),
-          txIndex
+          txIndex,
         ),
       }
     }
diff --git a/packages/client/test/rpc/engine/newPayloadEip6493.spec.ts b/packages/client/test/rpc/engine/newPayloadEip6493.spec.ts
index 84cba99e54..7f001aa415 100644
--- a/packages/client/test/rpc/engine/newPayloadEip6493.spec.ts
+++ b/packages/client/test/rpc/engine/newPayloadEip6493.spec.ts
@@ -1,13 +1,13 @@
-import { TransactionFactory } from '@ethereumjs/tx'
+import { createTx } from '@ethereumjs/tx'
 import { bigIntToHex, hexToBytes } from '@ethereumjs/util'
 import { assert, describe, it } from 'vitest'
 
-import blocks from '../../testdata/blocks/beacon.json'
-import genesisJSON from '../../testdata/geth-genesis/post-merge.json'
-import { getRpcClient, setupChain } from '../helpers.js'
+import { beaconData } from '../../testdata/blocks/beacon.js'
+import { postMergeData } from '../../testdata/geth-genesis/post-merge.js'
+import { getRPCClient, setupChain } from '../helpers.js'
 
 const method = 'engine_newPayloadV4'
-const [blockData] = blocks
+const [blockData] = beaconData
 
 const parentBeaconBlockRoot = '0x42942949c4ed512cd85c2cb54ca88591338cbb0564d3a2bea7961a639ef29d64'
 const validForkChoiceState = {
@@ -48,9 +48,9 @@ describe(`${method}: call with executionPayloadV4`, () => {
   it('valid data', async () => {
     // get the genesis json with late enougt date with respect to block data in batchBlocks
 
-    const { pragueJson, pragueTime } = readyEip6493Genesis(genesisJSON)
+    const { pragueJson, pragueTime } = readyEip6493Genesis(postMergeData)
     const { service, server, common } = await setupChain(pragueJson, 'post-merge', { engine: true })
-    const rpc = getRpcClient(server)
+    const rpc = getRPCClient(server)
     const validBlock = {
       ...blockData,
       timestamp: bigIntToHex(BigInt(pragueTime)),
@@ -78,7 +78,7 @@ describe(`${method}: call with executionPayloadV4`, () => {
 
     // address 0x610adc49ecd66cbf176a8247ebd59096c031bd9f has been sufficiently funded in genesis
     const pk = hexToBytes('0x9c9996335451aab4fc4eac58e31a8c300e095cdbcee532d53d09280e83360355')
-    const depositTx = TransactionFactory.fromTxData(
+    const depositTx = createTx(
       {
         data: '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',
         value: 32000000000000000000n,
@@ -87,11 +87,11 @@ describe(`${method}: call with executionPayloadV4`, () => {
         type: 2,
         to: '0x00000000219ab540356cBB839Cbe05303d7705Fa',
       },
-      { common }
+      { common },
     ).sign(pk)
     await service.txPool.add(depositTx, true)
 
-    const normalLegacyTx = TransactionFactory.fromTxData(
+    const normalLegacyTx = createTx(
       {
         data: '0x',
         value: 32000000000000000000n,
@@ -101,7 +101,7 @@ describe(`${method}: call with executionPayloadV4`, () => {
         to: '0x10000000219ab540356cBB839Cbe05303d7705Fa',
         nonce: 1,
       },
-      { common }
+      { common },
     ).sign(pk)
     await service.txPool.add(normalLegacyTx, true)
 
@@ -115,11 +115,11 @@ describe(`${method}: call with executionPayloadV4`, () => {
     assert.ok(executionPayload.transactions.length === 2, 'two transactions should have been added')
     assert.ok(
       executionPayload.depositRequests?.length === 1,
-      'depositRequests should have 1 deposit request'
+      'depositRequests should have 1 deposit request',
     )
     assert.ok(
       executionPayload.withdrawalRequests !== undefined,
-      'depositRequests field should be received'
+      'depositRequests field should be received',
     )
 
     res = await rpc.request(method, [executionPayload, [], parentBeaconBlockRoot])