diff --git a/server/models/User.js b/server/models/User.js
index 2082403..c0592d6 100644
--- a/server/models/User.js
+++ b/server/models/User.js
@@ -71,10 +71,6 @@ module.exports = (sequelize) => {
     tenant_id: {
       type: DataTypes.UUID,
       allowNull: true,
-      references: {
-        model: 'tenants',
-        key: 'id'
-      },
       comment: 'Tenant this user belongs to (null for default tenant)'
     },
     external_provider: {
@@ -109,29 +105,17 @@ module.exports = (sequelize) => {
       },
       {
         fields: ['phone_number']
-      },
-      {
-        fields: ['tenant_id']
-      },
-      {
-        fields: ['external_provider']
-      },
-      {
-        fields: ['external_id', 'tenant_id'],
-        unique: true,
-        name: 'users_external_id_tenant_unique',
-        where: { external_id: { [Op.ne]: null } }
       }
     ]
   });
 
   // Associations
   User.associate = (models) => {
-    // User belongs to a tenant
-    User.belongsTo(models.Tenant, {
-      foreignKey: 'tenant_id',
-      as: 'tenant'
-    });
+    // User belongs to a tenant (will be added after migration)
+    // User.belongsTo(models.Tenant, {
+    //   foreignKey: 'tenant_id',
+    //   as: 'tenant'
+    // });
   };
 
   return User;