diff --git a/cmd/init/cmd.go b/cmd/init/cmd.go
index a7ffcd91..4569298f 100644
--- a/cmd/init/cmd.go
+++ b/cmd/init/cmd.go
@@ -2,7 +2,6 @@ package init
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 
 	"github.com/forbole/juno/v4/types/config"
@@ -62,5 +61,5 @@ func writeConfig(cfg WritableConfig, path string) error {
 		return err
 	}
 
-	return ioutil.WriteFile(path, bz, 0600)
+	return os.WriteFile(path, bz, 0600)
 }
diff --git a/cmd/migrate/v3/utils.go b/cmd/migrate/v3/utils.go
index a2d32bde..9c69b10a 100644
--- a/cmd/migrate/v3/utils.go
+++ b/cmd/migrate/v3/utils.go
@@ -2,7 +2,6 @@ package v3
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path"
 
@@ -20,7 +19,7 @@ func GetConfig() (Config, error) {
 		return Config{}, fmt.Errorf("config file does not exist")
 	}
 
-	bz, err := ioutil.ReadFile(file)
+	bz, err := os.ReadFile(file)
 	if err != nil {
 		return Config{}, fmt.Errorf("error while reading config files: %s", err)
 	}
diff --git a/cmd/migrate/v4/migrate.go b/cmd/migrate/v4/migrate.go
index 4df0ff7a..0cf9c1a7 100644
--- a/cmd/migrate/v4/migrate.go
+++ b/cmd/migrate/v4/migrate.go
@@ -2,7 +2,7 @@ package v4
 
 import (
 	"fmt"
-	"io/ioutil"
+	"os"
 
 	parsecmdtypes "github.com/forbole/juno/v4/cmd/parse/types"
 
@@ -32,7 +32,7 @@ func RunMigration(parseConfig *parsecmdtypes.Config) error {
 		return fmt.Errorf("error while serializing config: %s", err)
 	}
 
-	err = ioutil.WriteFile(config.GetConfigFilePath(), bz, 0600)
+	err = os.WriteFile(config.GetConfigFilePath(), bz, 0600)
 	if err != nil {
 		return fmt.Errorf("error while writing v4 config: %s", err)
 	}
diff --git a/node/builder/builder.go b/node/builder/builder.go
index bd3ef5ba..6d7ef1af 100644
--- a/node/builder/builder.go
+++ b/node/builder/builder.go
@@ -7,6 +7,7 @@ import (
 
 	"github.com/forbole/juno/v4/node"
 	nodeconfig "github.com/forbole/juno/v4/node/config"
+
 	// "github.com/forbole/juno/v4/node/local"
 	"github.com/forbole/juno/v4/node/remote"
 )
diff --git a/types/config/parser.go b/types/config/parser.go
index 769d0af9..33220c46 100644
--- a/types/config/parser.go
+++ b/types/config/parser.go
@@ -2,7 +2,7 @@ package config
 
 import (
 	"fmt"
-	"io/ioutil"
+	"os"
 
 	"gopkg.in/yaml.v3"
 )
@@ -26,7 +26,7 @@ func Read(configPath string, parser Parser) (Config, error) {
 		return Config{}, fmt.Errorf("empty configuration path")
 	}
 
-	configData, err := ioutil.ReadFile(configPath)
+	configData, err := os.ReadFile(configPath)
 	if err != nil {
 		return Config{}, fmt.Errorf("failed to read config: %s", err)
 	}
diff --git a/types/utils.go b/types/utils.go
index e79588f6..80560768 100644
--- a/types/utils.go
+++ b/types/utils.go
@@ -44,7 +44,7 @@ func FindEventsByType(events []abci.Event, eventType string) []abci.Event {
 
 func FindAttributeByKey(event abci.Event, attrKey string) (abci.EventAttribute, error) {
 	for _, attr := range event.Attributes {
-		if string(attr.Key) == attrKey {
+		if attr.Key == attrKey {
 			return attr, nil
 		}
 	}
diff --git a/types/utils/utils.go b/types/utils/utils.go
index 7222c8ad..3254aae0 100644
--- a/types/utils/utils.go
+++ b/types/utils/utils.go
@@ -44,7 +44,7 @@ func FindEventsByType(events []abci.Event, eventType string) []abci.Event {
 
 func FindAttributeByKey(event abci.Event, attrKey string) (abci.EventAttribute, error) {
 	for _, attr := range event.Attributes {
-		if string(attr.Key) == attrKey {
+		if attr.Key == attrKey {
 			return attr, nil
 		}
 	}