diff --git a/Telegram/SourceFiles/core/sandbox.cpp b/Telegram/SourceFiles/core/sandbox.cpp
index 45d2bef81..beb06a6fb 100644
--- a/Telegram/SourceFiles/core/sandbox.cpp
+++ b/Telegram/SourceFiles/core/sandbox.cpp
@@ -28,7 +28,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "base/qthelp_regex.h"
 #include "ui/ui_utility.h"
 #include "ui/effects/animations.h"
-#include "ui/platform/ui_platform_utility.h"
 
 #include <QtCore/QLockFile>
 #include <QtGui/QSessionManager>
@@ -593,18 +592,9 @@ void Sandbox::registerEnterFromEventLoop() {
 }
 
 bool Sandbox::notifyOrInvoke(QObject *receiver, QEvent *e) {
-	const auto type = e->type();
-	if (type == base::InvokeQueuedEvent::Type()) {
+	if (e->type() == base::InvokeQueuedEvent::Type()) {
 		static_cast<base::InvokeQueuedEvent*>(e)->invoke();
 		return true;
-	} else if (receiver == this) {
-		if (type == QEvent::ApplicationDeactivate) {
-			if (Ui::Platform::SkipApplicationDeactivateEvent()) {
-				return true;
-			}
-		} else if (type == QEvent::ApplicationActivate) {
-			Ui::Platform::GotApplicationActivateEvent();
-		}
 	}
 	return QApplication::notify(receiver, e);
 }
diff --git a/Telegram/lib_ui b/Telegram/lib_ui
index a22254860..ea4c67408 160000
--- a/Telegram/lib_ui
+++ b/Telegram/lib_ui
@@ -1 +1 @@
-Subproject commit a22254860f01256de3acdcd799c8fe6e1f8e0f0e
+Subproject commit ea4c67408e1997cfce5d4bb0d9a0d55bb2d8b0f2