diff --git a/server/src/models/Robot.ts b/server/src/models/Robot.ts
index 0cd11b51..3b2717d6 100644
--- a/server/src/models/Robot.ts
+++ b/server/src/models/Robot.ts
@@ -26,7 +26,6 @@ interface RobotAttributes {
   google_access_token?: string | null;
   google_refresh_token?: string | null;
   schedule?: ScheduleConfig | null;
-  isLogin?: boolean;
 }
 
 interface ScheduleConfig {
@@ -55,7 +54,6 @@ class Robot extends Model<RobotAttributes, RobotCreationAttributes> implements R
   public google_access_token!: string | null;
   public google_refresh_token!: string | null;
   public schedule!: ScheduleConfig | null;
-  public isLogin!: boolean;
 }
 
 Robot.init(
@@ -101,11 +99,6 @@ Robot.init(
       type: DataTypes.JSONB,
       allowNull: true,
     },
-    isLogin: {              
-      type: DataTypes.BOOLEAN,
-      allowNull: false,
-      defaultValue: false,
-    },
   },
   {
     sequelize,