diff --git a/internal/domain/domaintest/version.go b/internal/domain/domaintest/version.go
index 6657589..f23e8d9 100644
--- a/internal/domain/domaintest/version.go
+++ b/internal/domain/domaintest/version.go
@@ -6,6 +6,10 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
+func RandVersionCode() string {
+	return gofakeit.LetterN(2)
+}
+
 type VersionCursorConfig struct {
 	Code string
 }
@@ -52,7 +56,3 @@ func NewVersion(tb TestingTB, opts ...func(cfg *VersionConfig)) domain.Version {
 
 	return v
 }
-
-func RandVersionCode() string {
-	return gofakeit.LetterN(2)
-}
diff --git a/internal/domain/version.go b/internal/domain/version.go
index c8bc69b..bcc03b7 100644
--- a/internal/domain/version.go
+++ b/internal/domain/version.go
@@ -12,7 +12,7 @@ type Version struct {
 	timezone string
 }
 
-var versionModelName = "Version"
+const versionModelName = "Version"
 
 // UnmarshalVersionFromDatabase unmarshals Version from the database.
 //
diff --git a/internal/port/handler_http_api_error.go b/internal/port/handler_http_api_error.go
index 79cc130..9fb081f 100644
--- a/internal/port/handler_http_api_error.go
+++ b/internal/port/handler_http_api_error.go
@@ -148,7 +148,6 @@ func (re apiErrorRenderer) domainErrorToAPIError(domainErr domain.Error) apiErro
 	var err error = domainErr
 	for {
 		var withPath domain.ErrorWithPath
-
 		if !errors.As(err, &withPath) {
 			break
 		}