diff --git a/nimbus/db/db_chain.nim b/nimbus/db/db_chain.nim
index 6c88aceb7..c4f640d72 100644
--- a/nimbus/db/db_chain.nim
+++ b/nimbus/db/db_chain.nim
@@ -28,7 +28,7 @@ type
     blockNumber: BlockNumber
     index: int
 
-proc newBaseChainDB*(db: TrieDatabaseRef, pruneTrie: bool): BaseChainDB =
+proc newBaseChainDB*(db: TrieDatabaseRef, pruneTrie: bool = true): BaseChainDB =
   new(result)
   result.db = db
   result.accountCodes = newTable[Hash256, ByteRange]()
diff --git a/tests/test_generalstate_json.nim b/tests/test_generalstate_json.nim
index fd9b40d6c..d09f6f9df 100644
--- a/tests/test_generalstate_json.nim
+++ b/tests/test_generalstate_json.nim
@@ -56,7 +56,7 @@ proc testFixtureIndexes(header: BlockHeader, pre: JsonNode, transaction: Transac
       # fixtures/GeneralStateTests/stTransactionTest/TransactionSendingToEmpty.json
       #db.addBalance(generateAddress(sender, transaction.accountNonce), transaction.value)
 
-      let createGasUsed = applyCreateTransaction(db, transaction, header, vmState, sender, true)
+      let createGasUsed = applyCreateTransaction(db, transaction, vmState, sender, true)
       db.addBalance(header.coinbase, createGasUsed)
     return
   var computation = setupComputation(header, vmState, transaction, sender)