diff --git a/backend/db/runtime/runtime.go b/backend/db/runtime/runtime.go
index 074ee59..ad4cdb4 100644
--- a/backend/db/runtime/runtime.go
+++ b/backend/db/runtime/runtime.go
@@ -246,10 +246,6 @@ func init() {
 	setting.DefaultUpdatedAt = settingDescUpdatedAt.Default.(func() time.Time)
 	// setting.UpdateDefaultUpdatedAt holds the default value on update for the updated_at field.
 	setting.UpdateDefaultUpdatedAt = settingDescUpdatedAt.UpdateDefault.(func() time.Time)
-	// settingDescID is the schema descriptor for id field.
-	settingDescID := settingFields[0].Descriptor()
-	// setting.DefaultID holds the default value on creation for the id field.
-	setting.DefaultID = settingDescID.Default.(func() uuid.UUID)
 	taskFields := schema.Task{}.Fields()
 	_ = taskFields
 	// taskDescIsAccept is the schema descriptor for is_accept field.
diff --git a/backend/db/setting/setting.go b/backend/db/setting/setting.go
index a159865..0b3b4c6 100644
--- a/backend/db/setting/setting.go
+++ b/backend/db/setting/setting.go
@@ -6,7 +6,6 @@ import (
 	"time"
 
 	"entgo.io/ent/dialect/sql"
-	"github.com/google/uuid"
 )
 
 const (
@@ -72,8 +71,6 @@ var (
 	DefaultUpdatedAt func() time.Time
 	// UpdateDefaultUpdatedAt holds the default value on update for the "updated_at" field.
 	UpdateDefaultUpdatedAt func() time.Time
-	// DefaultID holds the default value on creation for the "id" field.
-	DefaultID func() uuid.UUID
 )
 
 // OrderOption defines the ordering options for the Setting queries.
diff --git a/backend/db/setting_create.go b/backend/db/setting_create.go
index 4569e40..6fa6a35 100644
--- a/backend/db/setting_create.go
+++ b/backend/db/setting_create.go
@@ -127,14 +127,6 @@ func (sc *SettingCreate) SetID(u uuid.UUID) *SettingCreate {
 	return sc
 }
 
-// SetNillableID sets the "id" field if the given value is not nil.
-func (sc *SettingCreate) SetNillableID(u *uuid.UUID) *SettingCreate {
-	if u != nil {
-		sc.SetID(*u)
-	}
-	return sc
-}
-
 // Mutation returns the SettingMutation object of the builder.
 func (sc *SettingCreate) Mutation() *SettingMutation {
 	return sc.mutation
@@ -194,10 +186,6 @@ func (sc *SettingCreate) defaults() {
 		v := setting.DefaultUpdatedAt()
 		sc.mutation.SetUpdatedAt(v)
 	}
-	if _, ok := sc.mutation.ID(); !ok {
-		v := setting.DefaultID()
-		sc.mutation.SetID(v)
-	}
 }
 
 // check runs all checks and user-defined validators on the builder.