diff --git a/dev/External/User/ko.js b/dev/External/User/ko.js
index 47a5a5de6..9728c8348 100644
--- a/dev/External/User/ko.js
+++ b/dev/External/User/ko.js
@@ -203,16 +203,14 @@ ko.bindingHandlers.initDom = {
 
 ko.bindingHandlers.onEsc = {
 	init: (element, fValueAccessor, fAllBindingsAccessor, viewModel) => {
-		$(element).on('keyup.koOnEsc', event => {
-			if (event && 'Escape' === event.key) {
-				$(element).trigger('change');
+		let fn = event => {
+			if ('Escape' == event.key) {
+				element.dispatchEvent(new Event('change'));
 				fValueAccessor().call(viewModel);
 			}
-		});
-
-		ko.utils.domNodeDisposal.addDisposeCallback(element, () =>
-			$(element).off('keyup.koOnEsc')
-		);
+		};
+		element.addEventListener('keyup', fn);
+		ko.utils.domNodeDisposal.addDisposeCallback(element, () => element.removeEventListener('keyup', fn));
 	}
 };
 
diff --git a/dev/External/ko.js b/dev/External/ko.js
index 6ddeec0d9..694adec48 100644
--- a/dev/External/ko.js
+++ b/dev/External/ko.js
@@ -1,5 +1,4 @@
 const
-	$ = jQuery,
 	doc = document,
 	ko = window.ko,
 	Translator = () => require('Common/Translator'),
@@ -93,30 +92,26 @@ ko.bindingHandlers.popover = {
 
 ko.bindingHandlers.onEnter = {
 	init: (element, fValueAccessor, fAllBindingsAccessor, viewModel) => {
-		$(element).on('keypress.koOnEnter', event => {
-			if (event && 'Enter' === event.key) {
-				$(element).trigger('change');
+		let fn = event => {
+			if ('Enter' == event.key) {
+				element.dispatchEvent(new Event('change'));
 				fValueAccessor().call(viewModel);
 			}
-		});
-
-		ko.utils.domNodeDisposal.addDisposeCallback(element, () => {
-			$(element).off('keypress.koOnEnter');
-		});
+		};
+		element.addEventListener('keydown', fn);
+		ko.utils.domNodeDisposal.addDisposeCallback(element, () => element.removeEventListener('keydown', fn));
 	}
 };
 
 ko.bindingHandlers.onSpace = {
 	init: (element, fValueAccessor, fAllBindingsAccessor, viewModel) => {
-		$(element).on('keyup.koOnSpace', event => {
-			if (event && ' ' === event.key) {
+		let fn = event => {
+			if (' ' == event.key) {
 				fValueAccessor().call(viewModel, event);
 			}
-		});
-
-		ko.utils.domNodeDisposal.addDisposeCallback(element, () => {
-			$(element).off('keyup.koOnSpace');
-		});
+		};
+		element.addEventListener('keyup', fn);
+		ko.utils.domNodeDisposal.addDisposeCallback(element, () => element.removeEventListener('keyup', fn));
 	}
 };
 
diff --git a/vendors/knockout/build/output/knockout-latest.debug.js b/vendors/knockout/build/output/knockout-latest.debug.js
index e884b7f74..9ffdeb49e 100644
--- a/vendors/knockout/build/output/knockout-latest.debug.js
+++ b/vendors/knockout/build/output/knockout-latest.debug.js
@@ -83,14 +83,6 @@ ko.utils = (function () {
 
     var canSetPrototype = ({ __proto__: [] } instanceof Array);
 
-    // Represent the known event types in a compact way, then at runtime transform it into a hash with event name as key (for fast lookup)
-    var ke = 'KeyboardEvent', me = 'MouseEvent',
-        knownEventTypesByEventName = {
-            keyup: ke, keydown: ke, keypress: ke,
-            click: me, dblclick: me, mousedown: me, mouseup: me, mousemove: me,
-            mouseover: me, mouseout: me, mouseenter: me, mouseleave: me
-        };
-
     function isClickOnCheckableElement(element, eventType) {
         if ((element.nodeName !== "INPUT") || !element.type) return false;
         if (eventType.toLowerCase() != "click") return false;
@@ -332,10 +324,7 @@ ko.utils = (function () {
             if (!ko.options['useOnlyNativeEvents'] && jQuery && !useClickWorkaround) {
                 jQuery(element)['trigger'](eventType);
             } else {
-                var eventCategory = knownEventTypesByEventName[eventType] || "HTMLEvents";
-                var event = document.createEvent(eventCategory);
-                event.initEvent(eventType, true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, element);
-                element.dispatchEvent(event);
+                element.dispatchEvent(new Event(eventType));
             }
         },
 
diff --git a/vendors/knockout/build/output/knockout-latest.js b/vendors/knockout/build/output/knockout-latest.js
index 8b83bb076..6287c0df0 100644
--- a/vendors/knockout/build/output/knockout-latest.js
+++ b/vendors/knockout/build/output/knockout-latest.js
@@ -4,119 +4,118 @@
  * License: MIT (http://www.opensource.org/licenses/mit-license.php)
  */
 
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diff --git a/vendors/knockout/src/utils.js b/vendors/knockout/src/utils.js
index 3ec484559..c02272412 100644
--- a/vendors/knockout/src/utils.js
+++ b/vendors/knockout/src/utils.js
@@ -21,14 +21,6 @@ ko.utils = (function () {
 
     var canSetPrototype = ({ __proto__: [] } instanceof Array);
 
-    // Represent the known event types in a compact way, then at runtime transform it into a hash with event name as key (for fast lookup)
-    var ke = 'KeyboardEvent', me = 'MouseEvent',
-        knownEventTypesByEventName = {
-            keyup: ke, keydown: ke, keypress: ke,
-            click: me, dblclick: me, mousedown: me, mouseup: me, mousemove: me,
-            mouseover: me, mouseout: me, mouseenter: me, mouseleave: me
-        };
-
     function isClickOnCheckableElement(element, eventType) {
         if ((element.nodeName !== "INPUT") || !element.type) return false;
         if (eventType.toLowerCase() != "click") return false;
@@ -270,10 +262,7 @@ ko.utils = (function () {
             if (!ko.options['useOnlyNativeEvents'] && jQuery && !useClickWorkaround) {
                 jQuery(element)['trigger'](eventType);
             } else {
-                var eventCategory = knownEventTypesByEventName[eventType] || "HTMLEvents";
-                var event = document.createEvent(eventCategory);
-                event.initEvent(eventType, true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, element);
-                element.dispatchEvent(event);
+                element.dispatchEvent(new Event(eventType));
             }
         },