diff --git a/cmd/greenmask/cmd/root.go b/cmd/greenmask/cmd/root.go
index bb880e4d..ad00b3a5 100644
--- a/cmd/greenmask/cmd/root.go
+++ b/cmd/greenmask/cmd/root.go
@@ -100,9 +100,6 @@ func init() {
 	RootCmd.AddCommand(validate.Cmd)
 	RootCmd.AddCommand(show_transformer.Cmd)
 
-	if err := RootCmd.MarkPersistentFlagRequired("config"); err != nil {
-		log.Fatal().Err(err).Msg("")
-	}
 
 	if err := viper.BindPFlag("log.format", RootCmd.PersistentFlags().Lookup("log-format")); err != nil {
 		log.Fatal().Err(err).Msg("")
@@ -112,13 +109,6 @@ func init() {
 		log.Fatal().Err(err).Msg("")
 	}
 
-	if err := viper.BindEnv("log.level", "LOG_LEVEL"); err != nil {
-		log.Fatal().Err(err).Msg("")
-	}
-	if err := viper.BindEnv("log.format", "LOG_FORMAT"); err != nil {
-		log.Fatal().Err(err).Msg("")
-	}
-
 	RootCmd.InitDefaultCompletionCmd()
 	RootCmd.InitDefaultHelpCmd()
 	RootCmd.InitDefaultVersionFlag()
@@ -137,17 +127,14 @@ func init() {
 func initConfig() {
 	if cfgFile != "" {
 		viper.SetConfigFile(cfgFile)
-	} else {
-		return
+		if err := viper.ReadInConfig(); err != nil {
+			log.Fatal().Err(err).Msg("error reading from config file")
+		}
 	}
 
 	viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
 	viper.AutomaticEnv()
 
-	if err := viper.ReadInConfig(); err != nil {
-		log.Fatal().Msgf("unable to read configUtils file: %s", err.Error())
-	}
-
 	decoderCfg := func(cfg *mapstructure.DecoderConfig) {
 		cfg.DecodeHook = mapstructure.ComposeDecodeHookFunc(
 			configUtils.ParamsToByteSliceHookFunc(),
@@ -160,4 +147,4 @@ func initConfig() {
 		log.Fatal().Err(err).Msg("")
 	}
 
-}
+}
\ No newline at end of file