diff --git a/cmd/util.go b/cmd/util.go
index 78c3a64..9951d60 100644
--- a/cmd/util.go
+++ b/cmd/util.go
@@ -10,6 +10,7 @@ import (
 	"github.com/cerc-io/plugeth-statediff/indexer"
 	"github.com/cerc-io/plugeth-statediff/indexer/node"
 	"github.com/cerc-io/plugeth-statediff/indexer/shared"
+	"github.com/cerc-io/plugeth-statediff/utils"
 	"github.com/cerc-io/plugeth-statediff/utils/log"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/params"
@@ -89,28 +90,6 @@ func setupPreRunRanges() []pkg.RangeRequest {
 	return blockRanges
 }
 
-// LoadConfig loads chain config from json file
-func LoadConfig(chainConfigPath string) (*params.ChainConfig, error) {
-	file, err := os.Open(chainConfigPath)
-	if err != nil {
-		log.Error("Failed to read chain config file", "error", err)
-
-		return nil, err
-	}
-	defer file.Close()
-
-	chainConfig := new(params.ChainConfig)
-	if err := json.NewDecoder(file).Decode(chainConfig); err != nil {
-		log.Error("invalid chain config file", "error", err)
-
-		return nil, err
-	}
-
-	log.Debug(fmt.Sprintf("Using chain config from '%s'. Content: %+v", chainConfigPath, chainConfig))
-
-	return chainConfig, nil
-}
-
 func instantiateLevelDBReader() (pkg.Reader, *params.ChainConfig, node.Info) {
 	// load some necessary params
 	logWithCommand.Debug("Loading statediff service parameters")
@@ -134,7 +113,7 @@ func instantiateLevelDBReader() (pkg.Reader, *params.ChainConfig, node.Info) {
 	nodeInfo := getEthNodeInfo()
 
 	chainConfigPath := viper.GetString("ethereum.chainConfig")
-	chainConf, err := LoadConfig(chainConfigPath)
+	chainConf, err := utils.LoadConfig(chainConfigPath)
 	if err != nil {
 		logWithCommand.Fatalf("Unable to instantiate chain config: %s", err)
 	}