diff --git a/business/model/user.go b/business/model/user.go
index aec41b5e8..3dea53f95 100644
--- a/business/model/user.go
+++ b/business/model/user.go
@@ -214,12 +214,6 @@ type UserMember struct {
 	IsPay         int       `json:"isPay"`
 }
 
-func (*UserMember) TableUnique() [][]string {
-	return [][]string{
-		[]string{"UserID", "MemberType", "DeletedAt"},
-	}
-}
-
 func (v *UserMember) TableIndex() [][]string {
 	return [][]string{
 		[]string{"UserID"},