diff --git a/Telegram/CMakeLists.txt b/Telegram/CMakeLists.txt
index fa2405a5f..9180307d3 100644
--- a/Telegram/CMakeLists.txt
+++ b/Telegram/CMakeLists.txt
@@ -415,7 +415,7 @@ set(APP_SRC
     SourceFiles/observer_peer.cpp
     SourceFiles/overviewwidget.cpp
     SourceFiles/passcodewidget.cpp
-    SourceFiles/qt_functions.cpp
+    # SourceFiles/qt_functions.cpp
     SourceFiles/qt_static_plugins.cpp
     SourceFiles/settings.cpp
     SourceFiles/shortcuts.cpp
diff --git a/Telegram/SourceFiles/application.h b/Telegram/SourceFiles/application.h
index eec0ffc84..f3ccc9d16 100644
--- a/Telegram/SourceFiles/application.h
+++ b/Telegram/SourceFiles/application.h
@@ -20,6 +20,8 @@ Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
 */
 #pragma once
 
+#include <QApplication>
+
 class UpdateChecker;
 class Application : public QApplication {
 	Q_OBJECT
diff --git a/Telegram/SourceFiles/base/observer.h b/Telegram/SourceFiles/base/observer.h
index 362c6d42b..6b1797da4 100644
--- a/Telegram/SourceFiles/base/observer.h
+++ b/Telegram/SourceFiles/base/observer.h
@@ -22,6 +22,7 @@ Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
 
 #include <vector>
 #include <deque>
+#include <QSharedPointer>
 #include "base/type_traits.h"
 
 namespace base {