         let keychain = Keychain()
         
         if IsReset() {
-            try! keychain.remove("username")
-            try! keychain.remove("password")
-            try! keychain.remove("id")
+            try! keychain.removeAll()
         }
         
         if IsInsertDummyData() {

            try! keychain.set(data.username, key: "username")
            try! keychain.set(data.password, key: "password")
            try! keychain.set(data.id, key: "id")
        }
        
        let username = try! keychain.getString("username")

            try! keychain.set(data.username, key: "username")
            try! keychain.set(data.password, key: "password")
            try! keychain.set(data.id, key: "id")
            try! keychain.set(data.adult, key: "adult")
        }
        
        if IsInsertEmptyDummyData() {
