diff --git a/CMakeLists.txt b/CMakeLists.txt
index dc98be1..f463fed 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -180,6 +180,8 @@ PRIVATE
     ui/widgets/menu/menu_toggle.h
     ui/widgets/popup_menu.cpp
     ui/widgets/popup_menu.h
+    ui/widgets/rp_window.cpp
+    ui/widgets/rp_window.h
     ui/widgets/scroll_area.cpp
     ui/widgets/scroll_area.h
     ui/widgets/side_bar_button.cpp
@@ -188,8 +190,6 @@ PRIVATE
     ui/widgets/shadow.h
     ui/widgets/tooltip.cpp
     ui/widgets/tooltip.h
-    ui/widgets/window.cpp
-    ui/widgets/window.h
     ui/wrap/fade_wrap.cpp
     ui/wrap/fade_wrap.h
     ui/wrap/padding_wrap.cpp
diff --git a/ui/gl/gl_window.cpp b/ui/gl/gl_window.cpp
index 2cc0f86..f2cc816 100644
--- a/ui/gl/gl_window.cpp
+++ b/ui/gl/gl_window.cpp
@@ -7,7 +7,7 @@
 #include "ui/gl/gl_window.h"
 
 #include "ui/gl/gl_detection.h"
-#include "ui/widgets/window.h"
+#include "ui/widgets/rp_window.h"
 #include "base/event_filter.h"
 #include "base/platform/base_platform_info.h"
 #include "base/debug_log.h"
@@ -38,40 +38,40 @@ Backend Window::backend() const {
 	return _backend;
 }
 
-not_null<Ui::Window*> Window::window() const {
+not_null<RpWindow*> Window::window() const {
 	return _window.get();
 }
 
-not_null<Ui::RpWidget*> Window::widget() const {
+not_null<RpWidget*> Window::widget() const {
 	return _body.get();
 }
 
-std::unique_ptr<Ui::Window> Window::createWindow() {
-	auto result = std::make_unique<Ui::Window>();
+std::unique_ptr<RpWindow> Window::createWindow() {
+	auto result = std::make_unique<RpWindow>();
 	if constexpr (!kUseNativeChild) {
-		const auto capabilities = Ui::GL::CheckCapabilities(result.get());
+		const auto capabilities = CheckCapabilities(result.get());
 		const auto use = ::Platform::IsMac()
 			? true
 			: ::Platform::IsWindows()
 			? capabilities.supported
 			: capabilities.transparency;
-		LOG(("OpenGL: %1 (Ui::GL::Window)").arg(use ? "[TRUE]" : "[FALSE]"));
-		_backend = use ? Ui::GL::Backend::OpenGL : Ui::GL::Backend::Raster;
+		LOG(("OpenGL: %1 (Window)").arg(use ? "[TRUE]" : "[FALSE]"));
+		_backend = use ? Backend::OpenGL : Backend::Raster;
 
 		if (!use) {
 			// We have to create a new window, if OpenGL initialization failed.
-			result = std::make_unique<Ui::Window>();
+			result = std::make_unique<RpWindow>();
 		}
 	}
 	return result;
 }
 
-std::unique_ptr<Ui::RpWidget> Window::createNativeBodyWrap() {
+std::unique_ptr<RpWidget> Window::createNativeBodyWrap() {
 	if constexpr (!kUseNativeChild) {
 		return nullptr;
 	}
 	const auto create = [] {
-		auto result = std::make_unique<Ui::RpWidget>();
+		auto result = std::make_unique<RpWidget>();
 		result->setWindowFlags(Qt::FramelessWindowHint | Qt::Window);
 		result->setAttribute(Qt::WA_NativeWindow);
 		result->setAttribute(Qt::WA_DontCreateNativeAncestors);
@@ -81,14 +81,14 @@ std::unique_ptr<Ui::RpWidget> Window::createNativeBodyWrap() {
 	};
 
 	auto result = create();
-	const auto capabilities = Ui::GL::CheckCapabilities(result.get());
+	const auto capabilities = CheckCapabilities(result.get());
 	const auto use = ::Platform::IsMac()
 		? true
 		: ::Platform::IsWindows()
 		? capabilities.supported
 		: capabilities.transparency;
-	LOG(("OpenGL: %1 (Ui::GL::WindowBody)").arg(use ? "[TRUE]" : "[FALSE]"));
-	_backend = use ? Ui::GL::Backend::OpenGL : Ui::GL::Backend::Raster;
+	LOG(("OpenGL: %1 (WindowBody)").arg(use ? "[TRUE]" : "[FALSE]"));
+	_backend = use ? Backend::OpenGL : Backend::Raster;
 
 	if (!use) {
 		// We have to create a new window, if OpenGL initialization failed.
@@ -117,7 +117,7 @@ std::unique_ptr<Ui::RpWidget> Window::createNativeBodyWrap() {
 	const auto childWindow = raw->windowHandle();
 	base::install_event_filter(childWindow, [=](not_null<QEvent*> event) {
 		if (event->type() == QEvent::Expose && childWindow->isExposed()) {
-			Ui::Platform::SendWMPaintForce(_window.get());
+			Platform::SendWMPaintForce(_window.get());
 		}
 		return base::EventFilterResult::Continue;
 	});
diff --git a/ui/gl/gl_window.h b/ui/gl/gl_window.h
index bfa4199..797fcdf 100644
--- a/ui/gl/gl_window.h
+++ b/ui/gl/gl_window.h
@@ -8,7 +8,7 @@
 
 
 namespace Ui {
-class Window;
+class RpWindow;
 class RpWidget;
 } // namespace Ui
 
@@ -22,17 +22,17 @@ public:
 	~Window();
 
 	[[nodiscard]] Backend backend() const;
-	[[nodiscard]] not_null<Ui::Window*> window() const;
-	[[nodiscard]] not_null<Ui::RpWidget*> widget() const;
+	[[nodiscard]] not_null<RpWindow*> window() const;
+	[[nodiscard]] not_null<RpWidget*> widget() const;
 
 private:
-	[[nodiscard]] std::unique_ptr<Ui::Window> createWindow();
-	[[nodiscard]] std::unique_ptr<Ui::RpWidget> createNativeBodyWrap();
+	[[nodiscard]] std::unique_ptr<RpWindow> createWindow();
+	[[nodiscard]] std::unique_ptr<RpWidget> createNativeBodyWrap();
 
-	Ui::GL::Backend _backend = Ui::GL::Backend();
-	const std::unique_ptr<Ui::Window> _window;
-	const std::unique_ptr<Ui::RpWidget> _bodyNativeWrap;
-	const not_null<Ui::RpWidget*> _body;
+	Backend _backend = Backend();
+	const std::unique_ptr<RpWindow> _window;
+	const std::unique_ptr<RpWidget> _bodyNativeWrap;
+	const not_null<RpWidget*> _body;
 
 };
 
diff --git a/ui/platform/mac/ui_window_mac.mm b/ui/platform/mac/ui_window_mac.mm
index c8d8372..3bea72e 100644
--- a/ui/platform/mac/ui_window_mac.mm
+++ b/ui/platform/mac/ui_window_mac.mm
@@ -7,7 +7,7 @@
 #include "ui/platform/mac/ui_window_mac.h"
 
 #include "ui/platform/mac/ui_window_title_mac.h"
-#include "ui/widgets/window.h"
+#include "ui/widgets/rp_window.h"
 #include "base/platform/base_platform_info.h"
 #include "styles/palette.h"
 
diff --git a/ui/platform/ui_platform_window.cpp b/ui/platform/ui_platform_window.cpp
index 7583efb..aa3b0f1 100644
--- a/ui/platform/ui_platform_window.cpp
+++ b/ui/platform/ui_platform_window.cpp
@@ -8,7 +8,7 @@
 
 #include "ui/platform/ui_platform_window_title.h"
 #include "ui/platform/ui_platform_utility.h"
-#include "ui/widgets/window.h"
+#include "ui/widgets/rp_window.h"
 #include "ui/widgets/shadow.h"
 #include "ui/painter.h"
 #include "styles/style_widgets.h"
diff --git a/ui/widgets/window.cpp b/ui/widgets/rp_window.cpp
similarity index 58%
rename from ui/widgets/window.cpp
rename to ui/widgets/rp_window.cpp
index 90888b3..7adad8f 100644
--- a/ui/widgets/window.cpp
+++ b/ui/widgets/rp_window.cpp
@@ -4,13 +4,13 @@
 // For license and copyright information please follow this link:
 // https://github.com/desktop-app/legal/blob/master/LEGAL
 //
-#include "ui/widgets/window.h"
+#include "ui/widgets/rp_window.h"
 
 #include "ui/platform/ui_platform_window.h"
 
 namespace Ui {
 
-Window::Window(QWidget *parent)
+RpWindow::RpWindow(QWidget *parent)
 : RpWidget(parent)
 , _helper(Platform::CreateWindowHelper(this)) {
 	Expects(_helper != nullptr);
@@ -18,57 +18,57 @@ Window::Window(QWidget *parent)
 	hide();
 }
 
-Window::~Window() = default;
+RpWindow::~RpWindow() = default;
 
-not_null<RpWidget*> Window::body() {
+not_null<RpWidget*> RpWindow::body() {
 	return _helper->body();
 }
 
-not_null<const RpWidget*> Window::body() const {
+not_null<const RpWidget*> RpWindow::body() const {
 	return _helper->body().get();
 }
 
-void Window::setTitle(const QString &title) {
+void RpWindow::setTitle(const QString &title) {
 	_helper->setTitle(title);
 }
 
-void Window::setTitleStyle(const style::WindowTitle &st) {
+void RpWindow::setTitleStyle(const style::WindowTitle &st) {
 	_helper->setTitleStyle(st);
 }
 
-void Window::setNativeFrame(bool enabled) {
+void RpWindow::setNativeFrame(bool enabled) {
 	_helper->setNativeFrame(enabled);
 }
 
-void Window::setMinimumSize(QSize size) {
+void RpWindow::setMinimumSize(QSize size) {
 	_helper->setMinimumSize(size);
 }
 
-void Window::setFixedSize(QSize size) {
+void RpWindow::setFixedSize(QSize size) {
 	_helper->setFixedSize(size);
 }
 
-void Window::setStaysOnTop(bool enabled) {
+void RpWindow::setStaysOnTop(bool enabled) {
 	_helper->setStaysOnTop(enabled);
 }
 
-void Window::setGeometry(QRect rect) {
+void RpWindow::setGeometry(QRect rect) {
 	_helper->setGeometry(rect);
 }
 
-void Window::showFullScreen() {
+void RpWindow::showFullScreen() {
 	_helper->showFullScreen();
 }
 
-void Window::showNormal() {
+void RpWindow::showNormal() {
 	_helper->showNormal();
 }
 
-void Window::close() {
+void RpWindow::close() {
 	_helper->close();
 }
 
-void Window::setBodyTitleArea(
+void RpWindow::setBodyTitleArea(
 		Fn<WindowTitleHitTestFlags(QPoint)> testMethod) {
 	_helper->setBodyTitleArea(std::move(testMethod));
 }
diff --git a/ui/widgets/window.h b/ui/widgets/rp_window.h
similarity index 93%
rename from ui/widgets/window.h
rename to ui/widgets/rp_window.h
index 2962c07..49524fd 100644
--- a/ui/widgets/window.h
+++ b/ui/widgets/rp_window.h
@@ -29,10 +29,10 @@ inline constexpr bool is_flag_type(WindowTitleHitTestFlag) {
 }
 using WindowTitleHitTestFlags = base::flags<WindowTitleHitTestFlag>;
 
-class Window : public RpWidget {
+class RpWindow : public RpWidget {
 public:
-	explicit Window(QWidget *parent = nullptr);
-	~Window();
+	explicit RpWindow(QWidget *parent = nullptr);
+	~RpWindow();
 
 	[[nodiscard]] not_null<RpWidget*> body();
 	[[nodiscard]] not_null<const RpWidget*> body() const;