diff --git a/core/chain_makers.go b/core/chain_makers.go
index f9d37f64da..586979e772 100644
--- a/core/chain_makers.go
+++ b/core/chain_makers.go
@@ -540,10 +540,8 @@ func GenerateVerkleChainWithGenesis(genesis *Genesis, engine consensus.Engine, n
 	db := rawdb.NewMemoryDatabase()
 	cacheConfig := DefaultCacheConfigWithScheme(rawdb.PathScheme)
 	cacheConfig.SnapshotLimit = 0
-
 	triedb := triedb.NewDatabase(db, cacheConfig.triedbConfig(true))
 	defer triedb.Close()
-
 	genesisBlock, err := genesis.Commit(db, triedb)
 	if err != nil {
 		panic(err)
diff --git a/core/genesis.go b/core/genesis.go
index 5cac0289fc..eff92084eb 100644
--- a/core/genesis.go
+++ b/core/genesis.go
@@ -588,7 +588,6 @@ func DeveloperGenesisBlock(gasLimit uint64, faucet *common.Address) *Genesis {
 			common.BytesToAddress([]byte{7}): {Balance: big.NewInt(1)}, // ECScalarMul
 			common.BytesToAddress([]byte{8}): {Balance: big.NewInt(1)}, // ECPairing
 			common.BytesToAddress([]byte{9}): {Balance: big.NewInt(1)}, // BLAKE2b
-
 			// Pre-deploy system contracts
 			params.BeaconRootsAddress:        {Nonce: 1, Code: params.BeaconRootsCode, Balance: common.Big0},
 			params.HistoryStorageAddress:     {Nonce: 1, Code: params.HistoryStorageCode, Balance: common.Big0},