diff --git a/Telegram/SourceFiles/core/crash_report_window.cpp b/Telegram/SourceFiles/core/crash_report_window.cpp
index 9f9f8c703..60826a86a 100644
--- a/Telegram/SourceFiles/core/crash_report_window.cpp
+++ b/Telegram/SourceFiles/core/crash_report_window.cpp
@@ -22,7 +22,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include <QtGui/QDesktopServices>
 #include <QtCore/QStandardPaths>
 #include <QtCore/QTimer>
-#include <qpa/qplatformscreen.h>
 
 namespace {
 
@@ -44,10 +43,7 @@ PreLaunchWindow::PreLaunchWindow(QString title) {
 	p.setColor(QPalette::Window, QColor(255, 255, 255));
 	setPalette(p);
 
-	const auto dpi = screen()->handle()->logicalDpi().second;
-	auto font = this->font();
-	font.setPixelSize(base::SafeRound(std::floor(font.pointSizeF() * dpi / 72. * 100. + 0.5) / 100.));
-	_size = QFontMetrics(font).height();
+	_size = QFontMetrics(font()).height();
 
 	int paddingVertical = (_size / 2);
 	int paddingHorizontal = _size;
diff --git a/Telegram/SourceFiles/core/sandbox.cpp b/Telegram/SourceFiles/core/sandbox.cpp
index 6273a3ff9..9e9b5a476 100644
--- a/Telegram/SourceFiles/core/sandbox.cpp
+++ b/Telegram/SourceFiles/core/sandbox.cpp
@@ -31,7 +31,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include <QtCore/QLockFile>
 #include <QtGui/QSessionManager>
 #include <QtGui/QScreen>
-#include <qpa/qplatformscreen.h>
 
 namespace Core {
 namespace {
@@ -219,11 +218,7 @@ void Sandbox::launchApplication() {
 }
 
 void Sandbox::setupScreenScale() {
-	constexpr auto processDpi = [](const QDpi &dpi) {
-		return (dpi.first + dpi.second) * 0.5;
-	};
-	const auto dpi = processDpi(
-		Sandbox::primaryScreen()->handle()->logicalDpi());
+	const auto dpi = Sandbox::primaryScreen()->logicalDotsPerInch();
 	LOG(("Primary screen DPI: %1").arg(dpi));
 	if (dpi <= 108) {
 		cSetScreenScale(100); // 100%:  96 DPI (0-108)