diff --git a/weed/s3api/object_lock_utils.go b/weed/s3api/object_lock_utils.go
index 099e8377a..39496e14f 100644
--- a/weed/s3api/object_lock_utils.go
+++ b/weed/s3api/object_lock_utils.go
@@ -299,15 +299,15 @@ func ValidateObjectLockConfiguration(config *ObjectLockConfiguration) error {
 		if config.Rule.DefaultRetention == nil {
 			return ErrRuleMissingDefaultRetention
 		}
-		return ValidateDefaultRetention(config.Rule.DefaultRetention)
+		return validateDefaultRetention(config.Rule.DefaultRetention)
 	}
 
 	return nil
 }
 
-// ValidateDefaultRetention validates default retention configuration for bucket-level settings
-func ValidateDefaultRetention(retention *DefaultRetention) error {
-	glog.V(2).Infof("ValidateDefaultRetention: Mode=%s, Days=%d (set=%v), Years=%d (set=%v)",
+// validateDefaultRetention validates default retention configuration for bucket-level settings
+func validateDefaultRetention(retention *DefaultRetention) error {
+	glog.V(2).Infof("validateDefaultRetention: Mode=%s, Days=%d (set=%v), Years=%d (set=%v)",
 		retention.Mode, retention.Days, retention.DaysSet, retention.Years, retention.YearsSet)
 
 	// Mode is required
diff --git a/weed/s3api/s3api_object_retention_test.go b/weed/s3api/s3api_object_retention_test.go
index 3e263ec2d..ab5eda7e4 100644
--- a/weed/s3api/s3api_object_retention_test.go
+++ b/weed/s3api/s3api_object_retention_test.go
@@ -716,7 +716,7 @@ func TestValidateDefaultRetention(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			err := ValidateDefaultRetention(tt.retention)
+			err := validateDefaultRetention(tt.retention)
 
 			if tt.expectError {
 				if err == nil {