diff --git a/db/factory.go b/db/factory.go
index a8a27a6..7baf993 100644
--- a/db/factory.go
+++ b/db/factory.go
@@ -1,37 +1,12 @@
 package db
 
 import (
-	"github.com/spf13/viper"
-
 	"github.com/elyby/chrly/http"
 	"github.com/elyby/chrly/mojangtextures"
 )
 
-type StorageFactory struct {
-	Config *viper.Viper
-}
-
 type RepositoriesCreator interface {
 	CreateSkinsRepository() (http.SkinsRepository, error)
 	CreateCapesRepository() (http.CapesRepository, error)
 	CreateMojangUuidsRepository() (mojangtextures.UuidsStorage, error)
 }
-
-// TODO: redundant
-func (factory *StorageFactory) CreateFactory(backend string) RepositoriesCreator {
-	switch backend {
-	case "redis":
-		return &RedisFactory{
-			Host:     factory.Config.GetString("storage.redis.host"),
-			Port:     factory.Config.GetInt("storage.redis.port"),
-			PoolSize: factory.Config.GetInt("storage.redis.poolSize"),
-		}
-	case "filesystem":
-		return &FilesystemFactory{
-			BasePath:     factory.Config.GetString("storage.filesystem.basePath"),
-			CapesDirName: factory.Config.GetString("storage.filesystem.capesDirName"),
-		}
-	}
-
-	return nil
-}
diff --git a/di/handlers.go b/di/handlers.go
index 4a2d657..0fb5fdf 100644
--- a/di/handlers.go
+++ b/di/handlers.go
@@ -100,6 +100,9 @@ func newSkinsystemHandler(
 	capesRepository CapesRepository,
 	mojangTexturesProvider MojangTexturesProvider,
 ) *mux.Router {
+	config.SetDefault("textures.extra_param_name", "chrly")
+	config.SetDefault("textures.extra_param_value", "how do you tame a horse in Minecraft?")
+
 	return (&Skinsystem{
 		Emitter:                 emitter,
 		SkinsRepo:               skinsRepository,
diff --git a/di/mojang_textures.go b/di/mojang_textures.go
index afd0851..dee1bec 100644
--- a/di/mojang_textures.go
+++ b/di/mojang_textures.go
@@ -78,7 +78,6 @@ func newMojangTexturesBatchUUIDsProvider(
 	config *viper.Viper,
 	emitter mojangtextures.Emitter,
 ) (*mojangtextures.BatchUuidsProvider, error) {
-	// TODO: remove usage of di.WithName() when https://github.com/goava/di/issues/11 will be resolved
 	if err := container.Provide(func(emitter es.Subscriber, config *viper.Viper) *namedHealthChecker {
 		config.SetDefault("healthcheck.mojang_batch_uuids_provider_cool_down_duration", time.Minute)
 
diff --git a/http/skinsystem.go b/http/skinsystem.go
index 3a065d4..52c36e3 100644
--- a/http/skinsystem.go
+++ b/http/skinsystem.go
@@ -208,8 +208,8 @@ func (ctx *Skinsystem) signedTexturesHandler(response http.ResponseWriter, reque
 	}
 
 	responseData.Props = append(responseData.Props, &mojang.Property{
-		Name:  getStringOrDefault(ctx.TexturesExtraParamName, "chrly"), // TODO: extract to the default param value
-		Value: getStringOrDefault(ctx.TexturesExtraParamValue, "how do you tame a horse in Minecraft?"),
+		Name:  ctx.TexturesExtraParamName,
+		Value: ctx.TexturesExtraParamValue,
 	})
 
 	responseJson, _ := json.Marshal(responseData)
@@ -220,11 +220,3 @@ func (ctx *Skinsystem) signedTexturesHandler(response http.ResponseWriter, reque
 func parseUsername(username string) string {
 	return strings.TrimSuffix(username, ".png")
 }
-
-func getStringOrDefault(value string, def string) string {
-	if value != "" {
-		return value
-	}
-
-	return def
-}