diff --git a/pkg/backends/knative.go b/pkg/backends/knative.go
index 566352c4..2893eeb3 100644
--- a/pkg/backends/knative.go
+++ b/pkg/backends/knative.go
@@ -21,7 +21,6 @@ import (
 	"fmt"
 	"log"
 	"net/http"
-	"os"
 	"strconv"
 
 	"github.com/grycap/oscar/v3/pkg/imagepuller"
@@ -33,8 +32,8 @@ import (
 	knclientset "knative.dev/serving/pkg/client/clientset/versioned"
 )
 
-// Custom logger
-var knativeLogger = log.New(os.Stdout, "[KNATIVE] ", log.Flags())
+// Custom logger - uncomment if needed
+// var knativeLogger = log.New(os.Stdout, "[KNATIVE] ", log.Flags())
 
 // KnativeBackend struct to represent a Knative client
 type KnativeBackend struct {
diff --git a/pkg/handlers/job.go b/pkg/handlers/job.go
index e0319d63..758feae5 100644
--- a/pkg/handlers/job.go
+++ b/pkg/handlers/job.go
@@ -157,7 +157,7 @@ func MakeJobHandler(cfg *types.Config, kubeClientset kubernetes.Interface, back
 		c.Next()
 
 		// Initialize event envVar and args var
-		event := v1.EnvVar{}
+		var event v1.EnvVar
 		var args []string
 
 		if cfg.InterLinkAvailable && service.InterLinkNodeName != "" {
diff --git a/pkg/utils/auth/auth.go b/pkg/utils/auth/auth.go
index 57795a48..0df154e3 100644
--- a/pkg/utils/auth/auth.go
+++ b/pkg/utils/auth/auth.go
@@ -110,11 +110,11 @@ func GetLoggerMiddleware() gin.HandlerFunc {
 func GetUIDFromContext(c *gin.Context) (string, error) {
 	uidOrigin, uidExists := c.Get("uidOrigin")
 	if !uidExists {
-		return "", fmt.Errorf("Missing EGI user uid")
+		return "", fmt.Errorf("missing EGI user uid")
 	}
 	uid, uidParsed := uidOrigin.(string)
 	if !uidParsed {
-		return "", fmt.Errorf("Error parsing uid origin: %v", uidParsed)
+		return "", fmt.Errorf("error parsing uid origin: %v", uidParsed)
 	}
 	return uid, nil
 }
@@ -122,11 +122,11 @@ func GetUIDFromContext(c *gin.Context) (string, error) {
 func GetMultitenancyConfigFromContext(c *gin.Context) (*MultitenancyConfig, error) {
 	mcUntyped, mcExists := c.Get("multitenancyConfig")
 	if !mcExists {
-		return nil, fmt.Errorf("Missing multitenancy config")
+		return nil, fmt.Errorf("missing multitenancy config")
 	}
 	mc, mcParsed := mcUntyped.(*MultitenancyConfig)
 	if !mcParsed {
-		return nil, fmt.Errorf("Error parsing multitenancy config")
+		return nil, fmt.Errorf("error parsing multitenancy config")
 	}
 	return mc, nil
 }
diff --git a/pkg/utils/minio.go b/pkg/utils/minio.go
index 22d2a6c2..2ad3061e 100644
--- a/pkg/utils/minio.go
+++ b/pkg/utils/minio.go
@@ -21,10 +21,8 @@ import (
 	"crypto/tls"
 	"encoding/json"
 	"fmt"
-	"log"
 	"net/http"
 	"net/url"
-	"os"
 	"time"
 
 	"github.com/grycap/oscar/v3/pkg/types"
@@ -33,7 +31,8 @@ import (
 
 const ALL_USERS_GROUP = "all_users_group"
 
-var minioLogger = log.New(os.Stdout, "[MINIO] ", log.Flags())
+// Custom logger - uncomment if needed
+// var minioLogger = log.New(os.Stdout, "[MINIO] ", log.Flags())
 
 // MinIOAdminClient struct to represent a MinIO Admin client to configure webhook notifications
 type MinIOAdminClient struct {