diff --git a/src/models/attachment.js b/src/models/attachment.js
index 655ed3a30..e1ee9aa83 100644
--- a/src/models/attachment.js
+++ b/src/models/attachment.js
@@ -3,12 +3,6 @@ import UserModel from './user'
 import FileModel from './file'
 
 export default class AttachmentModel extends AbstractModel {
-	id = 0
-	taskId = 0
-	file = FileModel
-	createdBy = UserModel
-	created = null
-
 	constructor(data) {
 		super(data)
 		this.createdBy = new UserModel(this.createdBy)
diff --git a/src/models/subscription.js b/src/models/subscription.js
index e580545e4..68d0be855 100644
--- a/src/models/subscription.js
+++ b/src/models/subscription.js
@@ -2,12 +2,6 @@ import AbstractModel from '@/models/abstractModel'
 import UserModel from '@/models/user'
 
 export default class SubscriptionModel extends AbstractModel {
-	id = 0
-	entity = ''
-	entityId = 0
-	created = null
-	user = UserModel
-
 	constructor(data) {
 		super(data)
 		this.user = new UserModel(this.user)
diff --git a/src/models/task.js b/src/models/task.js
index 1f2e4b130..638396898 100644
--- a/src/models/task.js
+++ b/src/models/task.js
@@ -10,13 +10,6 @@ import {parseDateOrNull} from '@/helpers/parseDateOrNull'
 const SUPPORTS_TRIGGERED_NOTIFICATION = 'Notification' in window && 'showTrigger' in Notification.prototype
 
 export default class TaskModel extends AbstractModel {
-	index = 0
-	done = false
-	priority = 0
-	percentDone = 0
-	
-	defaultColor = '198CFF'
-
 	constructor(data) {
 		super(data)