diff --git a/pkg/attendee/model.go b/pkg/attendee/model.go
index eb5c841..8b87ab1 100644
--- a/pkg/attendee/model.go
+++ b/pkg/attendee/model.go
@@ -3,7 +3,6 @@ package attendee
 import (
 	"gorm.io/gorm"
 
-	"github.com/marcopollivier/techagenda/pkg/event"
 	"github.com/marcopollivier/techagenda/pkg/user"
 )
 
@@ -11,10 +10,9 @@ type Attendee struct {
 	gorm.Model
 	FullName    string
 	ContactInfo string
-	Metadata    any
-	EventID     string
-	UserID      string
+	Metadata    any `gorm:"serializer:json"`
+	EventID     uint
+	UserID      uint
 
-	event.Event
-	user.User
+	User user.User
 }