diff --git a/cmd/main/main.go b/cmd/main/main.go
index a9f79c6e..b0056b2e 100644
--- a/cmd/main/main.go
+++ b/cmd/main/main.go
@@ -232,13 +232,13 @@ func main() {
 	defer timeseries.Close()
 
 	// Initialize Minio client
-	minioClient, err := miniox.NewMinioClientAndInitBucket(ctx, &config.Config.Minio, logger, config.MetadataExpiryRules...)
+	minioClient, err := miniox.NewMinioClientAndInitBucket(ctx, &config.Config.Minio, logger, service.MetadataExpiryRules...)
 	if err != nil {
 		logger.Fatal("failed to create minio client", zap.Error(err))
 	}
 
 	serv := service.NewService(repo, timeseries.WriteAPI(), mgmtPublicServiceClient, mgmtPrivateServiceClient,
-		artifactPrivateServiceClient, redisClient, temporalClient, rayService, &aclClient, minioClient,
+		artifactPrivateServiceClient, redisClient, temporalClient, rayService, &aclClient, minioClient, nil,
 		config.Config.Server.InstillCoreHost)
 
 	modelpb.RegisterModelPublicServiceServer(
diff --git a/config/config.go b/config/config.go
index bd80626d..b77d1cbe 100644
--- a/config/config.go
+++ b/config/config.go
@@ -232,14 +232,3 @@ func ParseConfigFlag() string {
 
 	return *configPath
 }
-
-const (
-	DefaultExpiryTag = "default-expiry"
-)
-
-var MetadataExpiryRules = []miniox.ExpiryRule{
-	{
-		Tag:            DefaultExpiryTag,
-		ExpirationDays: 3,
-	},
-}
diff --git a/pkg/service/metadataretention.go b/pkg/service/metadataretention.go
new file mode 100644
index 00000000..984ed23e
--- /dev/null
+++ b/pkg/service/metadataretention.go
@@ -0,0 +1,34 @@
+package service
+
+import (
+	"context"
+
+	"github.com/gofrs/uuid"
+
+	miniox "github.com/instill-ai/x/minio"
+)
+
+type MetadataRetentionHandler interface {
+	GetExpiryTagBySubscriptionPlan(ctx context.Context, requesterUID uuid.UUID) (string, error)
+}
+
+type metadataRetentionHandler struct{}
+
+func NewRetentionHandler() MetadataRetentionHandler {
+	return &metadataRetentionHandler{}
+}
+
+func (h metadataRetentionHandler) GetExpiryTagBySubscriptionPlan(ctx context.Context, requesterUID uuid.UUID) (string, error) {
+	return defaultExpiryTag, nil
+}
+
+const (
+	defaultExpiryTag = "default-expiry"
+)
+
+var MetadataExpiryRules = []miniox.ExpiryRule{
+	{
+		Tag:            defaultExpiryTag,
+		ExpirationDays: 3,
+	},
+}
diff --git a/pkg/service/service.go b/pkg/service/service.go
index 500ede5e..59092f4d 100644
--- a/pkg/service/service.go
+++ b/pkg/service/service.go
@@ -104,8 +104,6 @@ type Service interface {
 	UpdateModelRunWithError(ctx context.Context, runLog *datamodel.ModelRun, err error) *datamodel.ModelRun
 	ListModelRuns(ctx context.Context, req *modelpb.ListModelRunsRequest, filter filtering.Filter) (*modelpb.ListModelRunsResponse, error)
 	ListModelRunsByRequester(ctx context.Context, req *modelpb.ListModelRunsByRequesterRequest) (*modelpb.ListModelRunsByRequesterResponse, error)
-
-	GetExpiryTagBySubscriptionPlan(context.Context, uuid.UUID) (string, error)
 }
 
 type service struct {
@@ -119,6 +117,7 @@ type service struct {
 	ray                          ray.Ray
 	aclClient                    acl.ACLClientInterface
 	minioClient                  miniox.MinioI
+	retentionHandler             MetadataRetentionHandler
 	instillCoreHost              string
 }
 
@@ -134,7 +133,11 @@ func NewService(
 	ra ray.Ray,
 	a acl.ACLClientInterface,
 	minioClient miniox.MinioI,
+	retentionHandler MetadataRetentionHandler,
 	h string) Service {
+	if retentionHandler == nil {
+		retentionHandler = NewRetentionHandler()
+	}
 	return &service{
 		repository:                   r,
 		influxDBWriteClient:          i,
@@ -146,6 +149,7 @@ func NewService(
 		temporalClient:               tc,
 		aclClient:                    a,
 		minioClient:                  minioClient,
+		retentionHandler:             retentionHandler,
 		instillCoreHost:              h,
 	}
 }
@@ -190,7 +194,7 @@ func (s *service) CreateModelRun(ctx context.Context, triggerUID uuid.UUID, mode
 
 	requesterUID, userUID := resourcex.GetRequesterUIDAndUserUID(ctx)
 	requesterUUID := uuid.FromStringOrNil(requesterUID)
-	expiryRuleTag, err := s.GetExpiryTagBySubscriptionPlan(ctx, requesterUUID)
+	expiryRuleTag, err := s.retentionHandler.GetExpiryTagBySubscriptionPlan(ctx, requesterUUID)
 	if err != nil {
 		return nil, err
 	}
@@ -553,7 +557,7 @@ func (s *service) TriggerNamespaceModelByID(ctx context.Context, ns resource.Nam
 		},
 	}
 
-	expiryRuleTag, err := s.GetExpiryTagBySubscriptionPlan(ctx, runLog.RequesterUID)
+	expiryRuleTag, err := s.retentionHandler.GetExpiryTagBySubscriptionPlan(ctx, runLog.RequesterUID)
 	if err != nil {
 		return nil, err
 	}
@@ -666,7 +670,7 @@ func (s *service) TriggerAsyncNamespaceModelByID(ctx context.Context, ns resourc
 
 	userUID := uuid.FromStringOrNil(resource.GetRequestSingleHeader(ctx, constant.HeaderUserUIDKey))
 
-	expiryRuleTag, err := s.GetExpiryTagBySubscriptionPlan(ctx, runLog.RequesterUID)
+	expiryRuleTag, err := s.retentionHandler.GetExpiryTagBySubscriptionPlan(ctx, runLog.RequesterUID)
 	if err != nil {
 		return nil, err
 	}
@@ -1370,7 +1374,3 @@ func (s *service) GetModelVersionAdmin(ctx context.Context, modelUID uuid.UUID,
 func (s *service) CreateModelVersionAdmin(ctx context.Context, version *datamodel.ModelVersion) error {
 	return s.repository.CreateModelVersion(ctx, "", version)
 }
-
-func (s *service) GetExpiryTagBySubscriptionPlan(context.Context, uuid.UUID) (string, error) {
-	return config.DefaultExpiryTag, nil
-}
diff --git a/pkg/service/service_test.go b/pkg/service/service_test.go
index fc26e991..ceac1df6 100644
--- a/pkg/service/service_test.go
+++ b/pkg/service/service_test.go
@@ -446,7 +446,7 @@ func TestGetModelDefinition(t *testing.T) {
 	t.Run("TestGetModelDefinition", func(t *testing.T) {
 		mockRepository := mock.NewRepositoryMock(mc)
 		mockRepository.GetModelDefinitionMock.Times(1).Expect("github").Return(&datamodel.ModelDefinition{}, nil)
-		s := service.NewService(mockRepository, nil, nil, nil, nil, nil, nil, nil, nil, nil, "")
+		s := service.NewService(mockRepository, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, "")
 
 		_, err := s.GetModelDefinition(context.Background(), "github")
 		assert.NoError(t, err)
@@ -455,7 +455,7 @@ func TestGetModelDefinition(t *testing.T) {
 	t.Run("GetModelDefinitionByUID", func(t *testing.T) {
 		mockRepository := mock.NewRepositoryMock(mc)
 		mockRepository.GetModelDefinitionByUIDMock.Times(1).Expect(ModelDefinition).Return(&datamodel.ModelDefinition{}, nil)
-		s := service.NewService(mockRepository, nil, nil, nil, nil, nil, nil, nil, nil, nil, "")
+		s := service.NewService(mockRepository, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, "")
 
 		_, err := s.GetModelDefinitionByUID(context.Background(), ModelDefinition)
 		assert.NoError(t, err)
@@ -469,7 +469,7 @@ func TestListModelDefinitions(t *testing.T) {
 		mockRepository := mock.NewRepositoryMock(mc)
 		mockRepository.ListModelDefinitionsMock.Times(1).Expect(modelPB.View_VIEW_FULL, 100, "").
 			Return([]*datamodel.ModelDefinition{}, "", 100, nil)
-		s := service.NewService(mockRepository, nil, nil, nil, nil, nil, nil, nil, nil, nil, "")
+		s := service.NewService(mockRepository, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, "")
 
 		_, _, _, err := s.ListModelDefinitions(context.Background(), modelPB.View_VIEW_FULL, int32(100), "")
 		assert.NoError(t, err)