diff --git a/store/activity.go b/store/activity.go
index badf1a960f0bd..3fe05596d9791 100644
--- a/store/activity.go
+++ b/store/activity.go
@@ -38,7 +38,7 @@ func (raw *activityRaw) toActivity() *api.Activity {
 
 // CreateActivity creates an instance of Activity.
 func (s *Store) CreateActivity(ctx context.Context, create *api.ActivityCreate) (*api.Activity, error) {
-	if s.profile.Mode == "prod" {
+	if s.Profile.Mode == "prod" {
 		return nil, nil
 	}
 
diff --git a/store/memo.go b/store/memo.go
index 46a0d77036fe1..fd30dff6f085d 100644
--- a/store/memo.go
+++ b/store/memo.go
@@ -53,7 +53,7 @@ func (s *Store) ComposeMemo(ctx context.Context, memo *api.Memo) (*api.Memo, err
 	if err := s.ComposeMemoResourceList(ctx, memo); err != nil {
 		return nil, err
 	}
-	if s.profile.IsDev() {
+	if s.Profile.IsDev() {
 		if err := s.ComposeMemoRelationList(ctx, memo); err != nil {
 			return nil, err
 		}
@@ -184,7 +184,7 @@ func (s *Store) DeleteMemo(ctx context.Context, delete *api.MemoDelete) error {
 	if err := deleteMemo(ctx, tx, delete); err != nil {
 		return FormatError(err)
 	}
-	if err := vacuum(ctx, tx); err != nil {
+	if err := s.vacuumImpl(ctx, tx); err != nil {
 		return err
 	}
 
diff --git a/store/resource.go b/store/resource.go
index c12fb8764d6c0..cf9316372c27a 100644
--- a/store/resource.go
+++ b/store/resource.go
@@ -160,7 +160,7 @@ func (s *Store) DeleteResource(ctx context.Context, delete *api.ResourceDelete)
 	if err := deleteResource(ctx, tx, delete); err != nil {
 		return err
 	}
-	if err := vacuum(ctx, tx); err != nil {
+	if err := s.vacuumImpl(ctx, tx); err != nil {
 		return err
 	}
 
diff --git a/store/store.go b/store/store.go
index 1db667cbefb08..7f8187c27e157 100644
--- a/store/store.go
+++ b/store/store.go
@@ -10,9 +10,8 @@ import (
 
 // Store provides database access to all raw objects.
 type Store struct {
-	db      *sql.DB
-	profile *profile.Profile
-
+	Profile            *profile.Profile
+	db                 *sql.DB
 	systemSettingCache sync.Map // map[string]*systemSettingRaw
 	userCache          sync.Map // map[int]*userRaw
 	userSettingCache   sync.Map // map[string]*userSettingRaw
@@ -24,8 +23,8 @@ type Store struct {
 // New creates a new instance of Store.
 func New(db *sql.DB, profile *profile.Profile) *Store {
 	return &Store{
+		Profile: profile,
 		db:      db,
-		profile: profile,
 	}
 }
 
@@ -36,7 +35,7 @@ func (s *Store) Vacuum(ctx context.Context) error {
 	}
 	defer tx.Rollback()
 
-	if err := vacuum(ctx, tx); err != nil {
+	if err := s.vacuumImpl(ctx, tx); err != nil {
 		return err
 	}
 
@@ -52,8 +51,7 @@ func (s *Store) Vacuum(ctx context.Context) error {
 	return nil
 }
 
-// Exec vacuum records in a transaction.
-func vacuum(ctx context.Context, tx *sql.Tx) error {
+func (s *Store) vacuumImpl(ctx context.Context, tx *sql.Tx) error {
 	if err := vacuumMemo(ctx, tx); err != nil {
 		return err
 	}
@@ -72,8 +70,10 @@ func vacuum(ctx context.Context, tx *sql.Tx) error {
 	if err := vacuumMemoResource(ctx, tx); err != nil {
 		return err
 	}
-	if err := vacuumMemoRelations(ctx, tx); err != nil {
-		return err
+	if s.Profile.IsDev() {
+		if err := vacuumMemoRelations(ctx, tx); err != nil {
+			return err
+		}
 	}
 	if err := vacuumTag(ctx, tx); err != nil {
 		// Prevent revive warning.
diff --git a/store/user.go b/store/user.go
index a7e5ba222818a..ac59ef112a66b 100644
--- a/store/user.go
+++ b/store/user.go
@@ -163,7 +163,7 @@ func (s *Store) DeleteUser(ctx context.Context, delete *api.UserDelete) error {
 	if err := deleteUser(ctx, tx, delete); err != nil {
 		return err
 	}
-	if err := vacuum(ctx, tx); err != nil {
+	if err := s.vacuumImpl(ctx, tx); err != nil {
 		return err
 	}