diff --git a/dev/Common/Html.js b/dev/Common/Html.js
index 19c1a1864..227f2e181 100644
--- a/dev/Common/Html.js
+++ b/dev/Common/Html.js
@@ -19,20 +19,6 @@ export function encodeHtml(text) {
 }
 
 class HtmlEditor {
-	editor;
-	blurTimer = 0;
-
-	__resizable = false;
-	__inited = false;
-
-	onBlur = null;
-	onReady = null;
-	onModeChange = null;
-
-	element;
-
-	resize;
-
 	/**
 	 * @param {Object} element
 	 * @param {Function=} onBlur
@@ -40,6 +26,12 @@ class HtmlEditor {
 	 * @param {Function=} onModeChange
 	 */
 	constructor(element, onBlur = null, onReady = null, onModeChange = null) {
+		this.editor;
+		this.blurTimer = 0;
+
+		this.__resizable = false;
+		this.__inited = false;
+
 		this.onBlur = onBlur;
 		this.onReady = onReady;
 		this.onModeChange = onModeChange;
diff --git a/dev/Common/Selector.js b/dev/Common/Selector.js
index 287c69d4d..c1bf55c7d 100644
--- a/dev/Common/Selector.js
+++ b/dev/Common/Selector.js
@@ -1,33 +1,11 @@
 import ko from 'ko';
 
 export class Selector {
-	list;
-	listChecked;
-	isListChecked;
-
-	focusedItem;
-	selectedItem;
-
-	selectedItemUseCallback = true;
-
-	iSelectNextHelper = 0;
-	iFocusedNextHelper = 0;
-	oContentScrollable;
-
-	sItemSelector;
-	sItemSelectedSelector;
-	sItemCheckedSelector;
-	sItemFocusedSelector;
-
-	sLastUid = '';
-	oCallbacks = {};
-
 	/**
 	 * @param {koProperty} koList
 	 * @param {koProperty} koSelectedItem
 	 * @param {koProperty} koFocusedItem
 	 * @param {string} sItemSelector
-	 * @param {string} sItemSelectedSelector
 	 * @param {string} sItemCheckedSelector
 	 * @param {string} sItemFocusedSelector
 	 */
@@ -36,18 +14,29 @@ export class Selector {
 		koSelectedItem,
 		koFocusedItem,
 		sItemSelector,
-		sItemSelectedSelector,
 		sItemCheckedSelector,
 		sItemFocusedSelector
 	) {
 		this.list = koList;
-
 		this.listChecked = ko.computed(() => this.list.filter(item => item.checked())).extend({ rateLimit: 0 });
 		this.isListChecked = ko.computed(() => 0 < this.listChecked().length);
 
 		this.focusedItem = koFocusedItem || ko.observable(null);
 		this.selectedItem = koSelectedItem || ko.observable(null);
 
+		this.selectedItemUseCallback = true;
+
+		this.iSelectNextHelper = 0;
+		this.iFocusedNextHelper = 0;
+		this.oContentScrollable;
+
+		this.sItemSelector = sItemSelector;
+		this.sItemCheckedSelector = sItemCheckedSelector;
+		this.sItemFocusedSelector = sItemFocusedSelector;
+
+		this.sLastUid = '';
+		this.oCallbacks = {};
+
 		const itemSelectedThrottle = (item => this.itemSelected(item)).debounce(300);
 
 		this.listChecked.subscribe((items) => {
@@ -81,11 +70,6 @@ export class Selector {
 		this.selectedItem = this.selectedItem.extend({ toggleSubscribeProperty: [this, 'selected'] });
 		this.focusedItem = this.focusedItem.extend({ toggleSubscribeProperty: [null, 'focused'] });
 
-		this.sItemSelector = sItemSelector;
-		this.sItemSelectedSelector = sItemSelectedSelector;
-		this.sItemCheckedSelector = sItemCheckedSelector;
-		this.sItemFocusedSelector = sItemFocusedSelector;
-
 		this.focusedItem.subscribe(item => item && (this.sLastUid = this.getItemUid(item)), this);
 
 		let aCache = [],
diff --git a/dev/Component/Abstract.js b/dev/Component/Abstract.js
index 61640cae0..848414571 100644
--- a/dev/Component/Abstract.js
+++ b/dev/Component/Abstract.js
@@ -1,6 +1,8 @@
 
 export class AbstractComponent {
-	disposable = [];
+	constructor() {
+		this.disposable = [];
+	}
 
 	dispose() {
 		this.disposable.forEach((funcToDispose) => {
diff --git a/dev/Knoin/AbstractModel.js b/dev/Knoin/AbstractModel.js
index 9dd3df28b..dae0fc1bb 100644
--- a/dev/Knoin/AbstractModel.js
+++ b/dev/Knoin/AbstractModel.js
@@ -23,14 +23,13 @@ function typeCast(curValue, newValue) {
 }
 
 export class AbstractModel {
-	subscribables = [];
-
 	constructor() {
 /*
 		if (new.target === AbstractModel) {
 			throw new Error("Can't instantiate AbstractModel!");
 		}
 */
+		this.subscribables = [];
 	}
 
 	addObservables(observables) {
diff --git a/dev/Knoin/AbstractScreen.js b/dev/Knoin/AbstractScreen.js
index a4311bcf5..dc07bff77 100644
--- a/dev/Knoin/AbstractScreen.js
+++ b/dev/Knoin/AbstractScreen.js
@@ -1,9 +1,6 @@
 export class AbstractScreen {
-	oCross = null;
-	sScreenName;
-	aViewModels;
-
 	constructor(screenName, viewModels = []) {
+		this.oCross = null;
 		this.sScreenName = screenName;
 		this.aViewModels = Array.isArray(viewModels) ? viewModels : [];
 	}
diff --git a/dev/Model/Email.js b/dev/Model/Email.js
index 71fb88369..3257b1d91 100644
--- a/dev/Model/Email.js
+++ b/dev/Model/Email.js
@@ -261,11 +261,6 @@ class Tokenizer
 }
 
 class EmailModel extends AbstractModel {
-	email = '';
-	name = '';
-	dkimStatus = '';
-	dkimValue = '';
-
 	/**
 	 * @param {string=} email = ''
 	 * @param {string=} name = ''
diff --git a/dev/View/Popup/Contacts.js b/dev/View/Popup/Contacts.js
index f0507bbad..060f3ad23 100644
--- a/dev/View/Popup/Contacts.js
+++ b/dev/View/Popup/Contacts.js
@@ -76,7 +76,6 @@ class ContactsPopupView extends AbstractViewPopup {
 			this.currentContact,
 			null,
 			'.e-contact-item .actionHandle',
-			'.e-contact-item.selected',
 			'.e-contact-item .checkboxItem',
 			'.e-contact-item.focused'
 		);
diff --git a/dev/View/User/MailBox/MessageList.js b/dev/View/User/MailBox/MessageList.js
index 057fd50e8..df688cee5 100644
--- a/dev/View/User/MailBox/MessageList.js
+++ b/dev/View/User/MailBox/MessageList.js
@@ -186,7 +186,6 @@ export class MessageListMailBoxUserView extends AbstractViewRight {
 			this.selectorMessageSelected,
 			this.selectorMessageFocused,
 			'.messageListItem .actionHandle',
-			'.messageListItem.selected',
 			'.messageListItem .checkboxMessage',
 			'.messageListItem.focused'
 		);