diff --git a/Telegram/CMakeLists.txt b/Telegram/CMakeLists.txt
index 473121dd5..cb484ff5f 100644
--- a/Telegram/CMakeLists.txt
+++ b/Telegram/CMakeLists.txt
@@ -1317,10 +1317,6 @@ if (build_macstore)
         COMMAND mkdir -p $<TARGET_FILE_DIR:Telegram>/../Frameworks
         COMMAND cp -a ${libs_loc}/breakpad/src/client/mac/build/Release/Breakpad.framework $<TARGET_FILE_DIR:Telegram>/../Frameworks/Breakpad.framework
     )
-elseif (build_osx)
-    set(bundle_identifier "com.tdesktop.Telegram$<$<CONFIG:Debug>:DebugOsx>")
-    set(bundle_entitlements "Telegram.entitlements")
-    set(output_name "Telegram")
 else()
     set(bundle_identifier "com.tdesktop.Telegram$<$<CONFIG:Debug>:Debug>")
     set(bundle_entitlements "Telegram.entitlements")
diff --git a/Telegram/SourceFiles/_other/packer.cpp b/Telegram/SourceFiles/_other/packer.cpp
index 3197f0faf..57239475d 100644
--- a/Telegram/SourceFiles/_other/packer.cpp
+++ b/Telegram/SourceFiles/_other/packer.cpp
@@ -496,11 +496,7 @@ int main(int argc, char *argv[])
 #elif defined Q_OS_MAC
 	QString outName(QString("tmacupd%1").arg(AlphaVersion ? AlphaVersion : version));
 #elif defined Q_OS_UNIX
-#ifndef _LP64
-	QString outName(QString("tlinux32upd%1").arg(AlphaVersion ? AlphaVersion : version));
-#else
 	QString outName(QString("tlinuxupd%1").arg(AlphaVersion ? AlphaVersion : version));
-#endif
 #else
 #error Unknown platform!
 #endif
diff --git a/Telegram/SourceFiles/app.cpp b/Telegram/SourceFiles/app.cpp
index ee0ef90cb..167360a97 100644
--- a/Telegram/SourceFiles/app.cpp
+++ b/Telegram/SourceFiles/app.cpp
@@ -49,10 +49,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include <QtCore/QBuffer>
 #include <QtGui/QFontDatabase>
 
-#ifdef OS_MAC_OLD
-#include <libexif/exif-data.h>
-#endif // OS_MAC_OLD
-
 namespace {
 
 constexpr auto kImageAreaLimit = 12'032 * 9'024;
@@ -180,9 +176,7 @@ namespace App {
 		}
 		{
 			QImageReader reader(&buffer, *format);
-#ifndef OS_MAC_OLD
 			reader.setAutoTransform(true);
-#endif // OS_MAC_OLD
 			if (animated) *animated = reader.supportsAnimation() && reader.imageCount() > 1;
 			if (!reader.canRead()) {
 				return QImage();
@@ -201,30 +195,7 @@ namespace App {
 		}
 		buffer.seek(0);
 		auto fmt = QString::fromUtf8(*format).toLower();
-		if (fmt == "jpg" || fmt == "jpeg") {
-#ifdef OS_MAC_OLD
-			if (auto exifData = exif_data_new_from_data((const uchar*)(data.constData()), data.size())) {
-				auto byteOrder = exif_data_get_byte_order(exifData);
-				if (auto exifEntry = exif_data_get_entry(exifData, EXIF_TAG_ORIENTATION)) {
-					auto orientationFix = [exifEntry, byteOrder] {
-						auto orientation = exif_get_short(exifEntry->data, byteOrder);
-						switch (orientation) {
-						case 2: return QTransform(-1, 0, 0, 1, 0, 0);
-						case 3: return QTransform(-1, 0, 0, -1, 0, 0);
-						case 4: return QTransform(1, 0, 0, -1, 0, 0);
-						case 5: return QTransform(0, -1, -1, 0, 0, 0);
-						case 6: return QTransform(0, 1, -1, 0, 0, 0);
-						case 7: return QTransform(0, 1, 1, 0, 0, 0);
-						case 8: return QTransform(0, -1, 1, 0, 0, 0);
-						}
-						return QTransform();
-					};
-					result = result.transformed(orientationFix());
-				}
-				exif_data_free(exifData);
-			}
-#endif // OS_MAC_OLD
-		} else if (opaque) {
+		if (opaque) {
 			result = Images::prepareOpaque(std::move(result));
 		}
 		return result;
diff --git a/Telegram/SourceFiles/boxes/about_box.cpp b/Telegram/SourceFiles/boxes/about_box.cpp
index f21508838..a49be8247 100644
--- a/Telegram/SourceFiles/boxes/about_box.cpp
+++ b/Telegram/SourceFiles/boxes/about_box.cpp
@@ -95,9 +95,7 @@ void AboutBox::showVersionHistory() {
 			url += qsl("win64/%1.zip");
 		} else if (Platform::IsMac()) {
 			url += qsl("mac/%1.zip");
-		} else if (Platform::IsLinux32Bit()) {
-			url += qsl("linux32/%1.tar.xz");
-		} else if (Platform::IsLinux64Bit()) {
+		} else if (Platform::IsLinux()) {
 			url += qsl("linux/%1.tar.xz");
 		} else {
 			Unexpected("Platform value.");
diff --git a/Telegram/SourceFiles/calls/calls_call.cpp b/Telegram/SourceFiles/calls/calls_call.cpp
index af7922578..9c067f0ab 100644
--- a/Telegram/SourceFiles/calls/calls_call.cpp
+++ b/Telegram/SourceFiles/calls/calls_call.cpp
@@ -736,7 +736,7 @@ void Call::createAndStartController(const MTPDphoneCall &call) {
 			.receiveTimeout = serverConfig.callPacketTimeoutMs / 1000.,
 			.dataSaving = tgcalls::DataSaving::Never,
 			.enableP2P = call.is_p2p_allowed(),
-			.enableAEC = !Platform::IsMac10_7OrGreater(),
+			.enableAEC = false,
 			.enableNS = true,
 			.enableAGC = true,
 			.enableVolumeControl = true,
diff --git a/Telegram/SourceFiles/core/crash_reports.cpp b/Telegram/SourceFiles/core/crash_reports.cpp
index 47b6d69cc..98abb5589 100644
--- a/Telegram/SourceFiles/core/crash_reports.cpp
+++ b/Telegram/SourceFiles/core/crash_reports.cpp
@@ -299,10 +299,8 @@ QString PlatformString() {
 		return qsl("MacAppStore");
 	} else if (Platform::IsMac()) {
 		return qsl("MacOS");
-	} else if (Platform::IsLinux32Bit()) {
-		return qsl("Linux32Bit");
-	} else if (Platform::IsLinux64Bit()) {
-		return qsl("Linux64bit");
+	} else if (Platform::IsLinux()) {
+		return qsl("Linux");
 	}
 	Unexpected("Platform in CrashReports::PlatformString.");
 }
diff --git a/Telegram/SourceFiles/core/launcher.cpp b/Telegram/SourceFiles/core/launcher.cpp
index 79bab3cf9..362432bff 100644
--- a/Telegram/SourceFiles/core/launcher.cpp
+++ b/Telegram/SourceFiles/core/launcher.cpp
@@ -286,10 +286,7 @@ void Launcher::init() {
 	initQtMessageLogging();
 
 	QApplication::setApplicationName(qsl("TelegramDesktop"));
-
-#ifndef OS_MAC_OLD
 	QApplication::setAttribute(Qt::AA_DisableHighDpiScaling, true);
-#endif // OS_MAC_OLD
 
 	// fallback session management is useless for tdesktop since it doesn't have
 	// any "are you sure you want to close this window?" dialogs
diff --git a/Telegram/SourceFiles/core/update_checker.cpp b/Telegram/SourceFiles/core/update_checker.cpp
index f621f164a..e86b2a884 100644
--- a/Telegram/SourceFiles/core/update_checker.cpp
+++ b/Telegram/SourceFiles/core/update_checker.cpp
@@ -242,9 +242,7 @@ QString FindUpdateFile() {
 			"tupdate|"
 			"tx64upd|"
 			"tmacupd|"
-			"tosxupd|"
 			"tlinuxupd|"
-			"tlinux32upd"
 			")\\d+(_[a-z\\d]+)?$",
 			QRegularExpression::CaseInsensitiveOption
 		).match(info.fileName()).hasMatch()) {
diff --git a/Telegram/SourceFiles/dialogs/dialogs_inner_widget.cpp b/Telegram/SourceFiles/dialogs/dialogs_inner_widget.cpp
index b4bd740b7..d974eadaa 100644
--- a/Telegram/SourceFiles/dialogs/dialogs_inner_widget.cpp
+++ b/Telegram/SourceFiles/dialogs/dialogs_inner_widget.cpp
@@ -118,10 +118,7 @@ InnerWidget::InnerWidget(
 })
 , _cancelSearchInChat(this, st::dialogsCancelSearchInPeer)
 , _cancelSearchFromUser(this, st::dialogsCancelSearchInPeer) {
-
-#ifndef OS_MAC_OLD // Qt 5.3.2 build is working with glitches otherwise.
 	setAttribute(Qt::WA_OpaquePaintEvent, true);
-#endif // OS_MAC_OLD
 
 	_cancelSearchInChat->setClickedCallback([=] { cancelSearchInChat(); });
 	_cancelSearchInChat->hide();
diff --git a/Telegram/SourceFiles/history/history_widget.cpp b/Telegram/SourceFiles/history/history_widget.cpp
index 9e57b58ad..a82ee13ee 100644
--- a/Telegram/SourceFiles/history/history_widget.cpp
+++ b/Telegram/SourceFiles/history/history_widget.cpp
@@ -6263,11 +6263,7 @@ void HistoryWidget::updatePreview() {
 				st::msgNameStyle,
 				tr::lng_preview_loading(tr::now),
 				Ui::NameTextOptions());
-#ifndef OS_MAC_OLD
 			auto linkText = _previewLinks.splitRef(' ').at(0).toString();
-#else // OS_MAC_OLD
-			auto linkText = _previewLinks.split(' ').at(0);
-#endif // OS_MAC_OLD
 			_previewDescription.setText(
 				st::messageTextStyle,
 				TextUtilities::Clean(linkText),
diff --git a/Telegram/SourceFiles/inline_bots/inline_bot_layout_item.cpp b/Telegram/SourceFiles/inline_bots/inline_bot_layout_item.cpp
index 6d5959f57..83c3a1023 100644
--- a/Telegram/SourceFiles/inline_bots/inline_bot_layout_item.cpp
+++ b/Telegram/SourceFiles/inline_bots/inline_bot_layout_item.cpp
@@ -199,11 +199,7 @@ ClickHandlerPtr ItemBase::getResultPreviewHandler() const {
 }
 
 QString ItemBase::getResultThumbLetter() const {
-#ifndef OS_MAC_OLD
 	auto parts = _result->_url.splitRef('/');
-#else // OS_MAC_OLD
-	auto parts = _result->_url.split('/');
-#endif // OS_MAC_OLD
 	if (!parts.isEmpty()) {
 		auto domain = parts.at(0);
 		if (parts.size() > 2 && domain.endsWith(':') && parts.at(1).isEmpty()) { // http:// and others
diff --git a/Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp b/Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp
index 638f24f14..ecca71f79 100644
--- a/Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp
+++ b/Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp
@@ -434,14 +434,14 @@ OverlayWidget::OverlayWidget()
 	updateGeometry();
 	updateControlsGeometry();
 
-#if defined Q_OS_MAC && !defined OS_OSX
+#ifdef Q_OS_MAC
 	TouchBar::SetupMediaViewTouchBar(
 		_widget->winId(),
 		static_cast<PlaybackControls::Delegate*>(this),
 		_touchbarTrackState.events(),
 		_touchbarDisplay.events(),
 		_touchbarFullscreenToggled.events());
-#endif // Q_OS_MAC && !OS_OSX
+#endif // Q_OS_MAC
 
 	using namespace rpl::mappers;
 	rpl::combine(
diff --git a/Telegram/SourceFiles/overview/overview_layout.cpp b/Telegram/SourceFiles/overview/overview_layout.cpp
index abb4e7273..2b9da2f51 100644
--- a/Telegram/SourceFiles/overview/overview_layout.cpp
+++ b/Telegram/SourceFiles/overview/overview_layout.cpp
@@ -1552,11 +1552,7 @@ Link::Link(
 		_title = _page->title;
 	}
 
-#ifndef OS_MAC_OLD
 	auto parts = mainUrl.splitRef('/');
-#else // OS_MAC_OLD
-	auto parts = mainUrl.split('/');
-#endif // OS_MAC_OLD
 	if (!parts.isEmpty()) {
 		auto domain = parts.at(0);
 		if (parts.size() > 2 && domain.endsWith(':') && parts.at(1).isEmpty()) { // http:// and others
diff --git a/Telegram/SourceFiles/platform/mac/launcher_mac.mm b/Telegram/SourceFiles/platform/mac/launcher_mac.mm
index e68bb0b2c..d41c957a2 100644
--- a/Telegram/SourceFiles/platform/mac/launcher_mac.mm
+++ b/Telegram/SourceFiles/platform/mac/launcher_mac.mm
@@ -23,10 +23,8 @@ Launcher::Launcher(int argc, char *argv[])
 }
 
 void Launcher::initHook() {
-#ifndef OS_MAC_OLD
 	// macOS Retina display support is working fine, others are not.
 	QCoreApplication::setAttribute(Qt::AA_DisableHighDpiScaling, false);
-#endif // OS_MAC_OLD
 }
 
 bool Launcher::launchUpdater(UpdaterLaunch action) {
diff --git a/Telegram/SourceFiles/platform/mac/main_window_mac.mm b/Telegram/SourceFiles/platform/mac/main_window_mac.mm
index 5ef131824..c9ee23ddd 100644
--- a/Telegram/SourceFiles/platform/mac/main_window_mac.mm
+++ b/Telegram/SourceFiles/platform/mac/main_window_mac.mm
@@ -194,7 +194,6 @@ void MainWindow::Private::initTouchBar(
 		NSWindow *window,
 		not_null<Window::Controller*> controller,
 		rpl::producer<bool> canApplyMarkdown) {
-#ifndef OS_OSX
 	if (!IsMac10_13OrGreater()) {
 		return;
 	}
@@ -208,7 +207,6 @@ void MainWindow::Private::initTouchBar(
 			controller:controller
 			domain:(&Core::App().domain())] autorelease]
 		waitUntilDone:true];
-#endif
 }
 
 bool MainWindow::Private::clipboardHasText() {
@@ -227,11 +225,7 @@ MainWindow::Private::~Private() {
 MainWindow::MainWindow(not_null<Window::Controller*> controller)
 : Window::MainWindow(controller)
 , _private(std::make_unique<Private>(this)) {
-
-#ifndef OS_MAC_OLD
 	auto forceOpenGL = std::make_unique<QOpenGLWidget>(this);
-#endif // !OS_MAC_OLD
-
 	_hideAfterFullScreenTimer.setCallback([this] { hideAndDeactivate(); });
 }
 
diff --git a/Telegram/SourceFiles/platform/mac/notifications_manager_mac.mm b/Telegram/SourceFiles/platform/mac/notifications_manager_mac.mm
index 499cb8fed..10262d63c 100644
--- a/Telegram/SourceFiles/platform/mac/notifications_manager_mac.mm
+++ b/Telegram/SourceFiles/platform/mac/notifications_manager_mac.mm
@@ -154,7 +154,7 @@ bool SkipFlashBounceForCustom() {
 }
 
 bool Supported() {
-	return Platform::IsMac10_8OrGreater();
+	return true;
 }
 
 bool Enforced() {
diff --git a/Telegram/SourceFiles/platform/mac/specific_mac.mm b/Telegram/SourceFiles/platform/mac/specific_mac.mm
index f07ba21cd..3b4395ae3 100644
--- a/Telegram/SourceFiles/platform/mac/specific_mac.mm
+++ b/Telegram/SourceFiles/platform/mac/specific_mac.mm
@@ -116,7 +116,6 @@ void WriteCrashDumpDetails() {
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wunguarded-availability"
 PermissionStatus GetPermissionStatus(PermissionType type) {
-#ifndef OS_MAC_OLD
 	switch (type) {
 	case PermissionType::Microphone:
 	case PermissionType::Camera:
@@ -136,12 +135,10 @@ PermissionStatus GetPermissionStatus(PermissionType type) {
 		}
 		break;
 	}
-#endif // OS_MAC_OLD
 	return PermissionStatus::Granted;
 }
 
 void RequestPermission(PermissionType type, Fn<void(PermissionStatus)> resultCallback) {
-#ifndef OS_MAC_OLD
 	switch (type) {
 	case PermissionType::Microphone:
 	case PermissionType::Camera:
@@ -157,13 +154,11 @@ void RequestPermission(PermissionType type, Fn<void(PermissionStatus)> resultCal
 		}
 		break;
 	}
-#endif // OS_MAC_OLD
 	resultCallback(PermissionStatus::Granted);
 }
 #pragma clang diagnostic pop // -Wunguarded-availability
 
 void OpenSystemSettingsForPermission(PermissionType type) {
-#ifndef OS_MAC_OLD
 	switch (type) {
 	case PermissionType::Microphone:
 		[[NSWorkspace sharedWorkspace] openURL:[NSURL URLWithString:@"x-apple.systempreferences:com.apple.preference.security?Privacy_Microphone"]];
@@ -172,7 +167,6 @@ void OpenSystemSettingsForPermission(PermissionType type) {
 		[[NSWorkspace sharedWorkspace] openURL:[NSURL URLWithString:@"x-apple.systempreferences:com.apple.preference.security?Privacy_Camera"]];
 		break;
 	}
-#endif // OS_MAC_OLD
 }
 
 bool OpenSystemSettings(SystemSettingsType type) {
diff --git a/Telegram/SourceFiles/platform/mac/touchbar/items/mac_formatter_item.h b/Telegram/SourceFiles/platform/mac/touchbar/items/mac_formatter_item.h
index 772561490..a537929c8 100644
--- a/Telegram/SourceFiles/platform/mac/touchbar/items/mac_formatter_item.h
+++ b/Telegram/SourceFiles/platform/mac/touchbar/items/mac_formatter_item.h
@@ -7,8 +7,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
-#ifndef OS_OSX
-
 #import <AppKit/NSPopoverTouchBarItem.h>
 #import <AppKit/NSTouchBar.h>
 
@@ -16,5 +14,3 @@ API_AVAILABLE(macos(10.12.2))
 @interface TextFormatPopover : NSPopoverTouchBarItem
 - (id)init:(NSTouchBarItemIdentifier)identifier;
 @end
-
-#endif // OS_OSX
diff --git a/Telegram/SourceFiles/platform/mac/touchbar/items/mac_formatter_item.mm b/Telegram/SourceFiles/platform/mac/touchbar/items/mac_formatter_item.mm
index 7f68bbc55..2d04a140a 100644
--- a/Telegram/SourceFiles/platform/mac/touchbar/items/mac_formatter_item.mm
+++ b/Telegram/SourceFiles/platform/mac/touchbar/items/mac_formatter_item.mm
@@ -7,8 +7,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "platform/mac/touchbar/items/mac_formatter_item.h"
 
-#ifndef OS_OSX
-
 #include "base/platform/mac/base_utilities_mac.h"
 #include "lang/lang_keys.h"
 #include "platform/mac/touchbar/mac_touchbar_common.h"
@@ -138,5 +136,3 @@ void SendKeyEvent(int command) {
 }
 
 @end // @implementation TextFormatPopover
-
-#endif // OS_OSX
diff --git a/Telegram/SourceFiles/platform/mac/touchbar/items/mac_pinned_chats_item.h b/Telegram/SourceFiles/platform/mac/touchbar/items/mac_pinned_chats_item.h
index c032be89d..c6a4b886f 100644
--- a/Telegram/SourceFiles/platform/mac/touchbar/items/mac_pinned_chats_item.h
+++ b/Telegram/SourceFiles/platform/mac/touchbar/items/mac_pinned_chats_item.h
@@ -7,8 +7,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
-#ifndef OS_OSX
-
 #include <AppKit/NSImageView.h>
 
 namespace Main {
@@ -20,5 +18,3 @@ API_AVAILABLE(macos(10.12.2))
 - (id)init:(not_null<Main::Session*>)session
 	destroyEvent:(rpl::producer<>)touchBarSwitches;
 @end
-
-#endif // OS_OSX
diff --git a/Telegram/SourceFiles/platform/mac/touchbar/items/mac_pinned_chats_item.mm b/Telegram/SourceFiles/platform/mac/touchbar/items/mac_pinned_chats_item.mm
index 72902ae10..ff4f65c7e 100644
--- a/Telegram/SourceFiles/platform/mac/touchbar/items/mac_pinned_chats_item.mm
+++ b/Telegram/SourceFiles/platform/mac/touchbar/items/mac_pinned_chats_item.mm
@@ -7,8 +7,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "platform/mac/touchbar/items/mac_pinned_chats_item.h"
 
-#ifndef OS_OSX
-
 #include "apiwrap.h"
 #include "base/call_delayed.h"
 #include "base/timer.h"
@@ -882,5 +880,3 @@ TimeId CalculateOnlineTill(not_null<PeerData*> peer) {
 }
 
 @end // @@implementation PinnedDialogsPanel
-
-#endif // OS_OSX
diff --git a/Telegram/SourceFiles/platform/mac/touchbar/items/mac_scrubber_item.h b/Telegram/SourceFiles/platform/mac/touchbar/items/mac_scrubber_item.h
index 126405ea2..27b04467c 100644
--- a/Telegram/SourceFiles/platform/mac/touchbar/items/mac_scrubber_item.h
+++ b/Telegram/SourceFiles/platform/mac/touchbar/items/mac_scrubber_item.h
@@ -7,8 +7,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
-#ifndef OS_OSX
-
 #import <AppKit/NSPopoverTouchBarItem.h>
 #import <AppKit/NSTouchBar.h>
 
@@ -21,5 +19,3 @@ API_AVAILABLE(macos(10.12.2))
 - (id)init:(not_null<Window::Controller*>)controller
 	identifier:(NSTouchBarItemIdentifier)identifier;
 @end
-
-#endif // OS_OSX
diff --git a/Telegram/SourceFiles/platform/mac/touchbar/items/mac_scrubber_item.mm b/Telegram/SourceFiles/platform/mac/touchbar/items/mac_scrubber_item.mm
index c7930a5f9..b47227a93 100644
--- a/Telegram/SourceFiles/platform/mac/touchbar/items/mac_scrubber_item.mm
+++ b/Telegram/SourceFiles/platform/mac/touchbar/items/mac_scrubber_item.mm
@@ -7,8 +7,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "platform/mac/touchbar/items/mac_scrubber_item.h"
 
-#ifndef OS_OSX
-
 #include "api/api_common.h"
 #include "api/api_sending.h"
 #include "base/call_delayed.h"
@@ -683,5 +681,3 @@ void AppendEmojiPacks(
 }
 
 @end // @implementation StickerEmojiPopover
-
-#endif // OS_OSX
diff --git a/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_audio.h b/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_audio.h
index 87709e25e..ec4596c67 100644
--- a/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_audio.h
+++ b/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_audio.h
@@ -7,13 +7,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
-#ifndef OS_OSX
-
 #import <AppKit/NSTouchBar.h>
 
 API_AVAILABLE(macos(10.12.2))
 @interface TouchBarAudioPlayer : NSTouchBar<NSTouchBarDelegate>
 - (rpl::producer<>)closeRequests;
 @end
-
-#endif // OS_OSX
diff --git a/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_audio.mm b/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_audio.mm
index decdef0ed..32dd548b3 100644
--- a/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_audio.mm
+++ b/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_audio.mm
@@ -7,8 +7,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "platform/mac/touchbar/mac_touchbar_audio.h"
 
-#ifndef OS_OSX
-
 #include "media/audio/media_audio.h"
 #include "media/player/media_player_instance.h"
 #include "platform/mac/touchbar/mac_touchbar_common.h"
@@ -176,5 +174,3 @@ const auto kCurrentPositionItemIdentifier = Format(@"currentPosition");
 }
 
 @end // @implementation TouchBarAudioPlayer
-
-#endif // OS_OSX
diff --git a/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_common.h b/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_common.h
index a00385258..52b54de12 100644
--- a/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_common.h
+++ b/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_common.h
@@ -7,8 +7,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
-#ifndef OS_OSX
-
 #import <AppKit/NSImage.h>
 #import <Foundation/Foundation.h>
 
@@ -32,5 +30,3 @@ int WidthFromString(NSString *s);
 NSImage *CreateNSImageFromStyleIcon(const style::icon &icon, int size);
 
 } // namespace TouchBar
-
-#endif // OS_OSX
diff --git a/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_common.mm b/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_common.mm
index 7a30c4875..5a7e8ed37 100644
--- a/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_common.mm
+++ b/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_common.mm
@@ -7,8 +7,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "platform/mac/touchbar/mac_touchbar_common.h"
 
-#ifndef OS_OSX
-
 #include "base/platform/mac/base_utilities_mac.h"
 
 #import <AppKit/NSTextField.h>
@@ -29,5 +27,3 @@ NSImage *CreateNSImageFromStyleIcon(const style::icon &icon, int size) {
 }
 
 } // namespace TouchBar
-
-#endif // OS_OSX
diff --git a/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_controls.h b/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_controls.h
index 9c66744c3..1cc8c832f 100644
--- a/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_controls.h
+++ b/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_controls.h
@@ -7,8 +7,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
-#ifndef OS_OSX
-
 namespace Media {
 namespace Player {
 struct TrackState;
@@ -65,5 +63,3 @@ NSCustomTouchBarItem *CreateTouchBarTrackPosition(
 	rpl::producer<Media::Player::TrackState> stateChanged);
 
 } // namespace TouchBar
-
-#endif // OS_OSX
diff --git a/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_controls.mm b/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_controls.mm
index e2c337034..309170110 100644
--- a/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_controls.mm
+++ b/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_controls.mm
@@ -7,8 +7,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "platform/mac/touchbar/mac_touchbar_controls.h"
 
-#ifndef OS_OSX
-
 #include "base/platform/mac/base_utilities_mac.h" // Q2NSString()
 #include "core/sandbox.h" // Sandbox::customEnterFromEventLoop()
 #include "ui/text/format_values.h" // Ui::FormatDurationText()
@@ -276,5 +274,3 @@ NSCustomTouchBarItem *CreateTouchBarTrackPosition(
 }
 
 } // namespace TouchBar
-
-#endif // OS_OSX
diff --git a/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_main.h b/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_main.h
index 771935ba4..f03546eaf 100644
--- a/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_main.h
+++ b/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_main.h
@@ -7,8 +7,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
-#ifndef OS_OSX
-
 #import <AppKit/NSTouchBar.h>
 
 namespace Window {
@@ -28,5 +26,3 @@ API_AVAILABLE(macos(10.12.2))
 - (id)init:(not_null<Window::Controller*>)controller
 	touchBarSwitches:(rpl::producer<>)touchBarSwitches;
 @end
-
-#endif // OS_OSX
diff --git a/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_main.mm b/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_main.mm
index 26044cbc4..f5c305827 100644
--- a/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_main.mm
+++ b/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_main.mm
@@ -7,8 +7,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "platform/mac/touchbar/mac_touchbar_main.h"
 
-#ifndef OS_OSX
-
 #include "platform/mac/touchbar/items/mac_formatter_item.h"
 #include "platform/mac/touchbar/items/mac_pinned_chats_item.h"
 #include "platform/mac/touchbar/items/mac_scrubber_item.h"
@@ -53,5 +51,3 @@ using namespace TouchBar::Main;
 }
 
 @end // @implementation TouchBarMain
-
-#endif // OS_OSX
diff --git a/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_manager.h b/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_manager.h
index d08ba3abc..464f87c9c 100644
--- a/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_manager.h
+++ b/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_manager.h
@@ -7,8 +7,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
-#ifndef OS_OSX
-
 #import <AppKit/NSTouchBar.h>
 
 namespace Main {
@@ -25,5 +23,3 @@ API_AVAILABLE(macos(10.12.2))
 	controller:(not_null<Window::Controller*>)controller
 	domain:(not_null<Main::Domain*>)domain;
 @end
-
-#endif // OS_OSX
diff --git a/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_manager.mm b/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_manager.mm
index 34c53a72d..febe82d82 100644
--- a/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_manager.mm
+++ b/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_manager.mm
@@ -7,8 +7,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "platform/mac/touchbar/mac_touchbar_manager.h"
 
-#ifndef OS_OSX
-
 #include "apiwrap.h" // ApiWrap::updateStickers()
 #include "core/application.h"
 #include "data/data_peer.h" // PeerData::canWrite()
@@ -179,5 +177,3 @@ const auto kAudioItemIdentifier = @"touchbarAudio";
 }
 
 @end // @implementation RootTouchBar
-
-#endif // OS_OSX
diff --git a/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_media_view.h b/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_media_view.h
index fe7661bf7..d7591a054 100644
--- a/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_media_view.h
+++ b/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_media_view.h
@@ -7,8 +7,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
-#ifndef OS_OSX
-
 #include "media/view/media_view_playback_controls.h"
 #include "media/view/media_view_overlay_widget.h"
 
@@ -22,5 +20,3 @@ void SetupMediaViewTouchBar(
 	rpl::producer<bool> fullscreenToggled);
 
 } // namespace TouchBar
-
-#endif // OS_OSX
diff --git a/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_media_view.mm b/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_media_view.mm
index 622aa8ee9..9d0869a07 100644
--- a/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_media_view.mm
+++ b/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_media_view.mm
@@ -7,8 +7,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "platform/mac/touchbar/mac_touchbar_media_view.h"
 
-#ifndef OS_OSX
-
 #include "media/audio/media_audio.h"
 #include "platform/mac/touchbar/mac_touchbar_common.h"
 #include "platform/mac/touchbar/mac_touchbar_controls.h"
@@ -194,5 +192,3 @@ void SetupMediaViewTouchBar(
 }
 
 } // namespace TouchBar
-
-#endif // OS_OSX
diff --git a/Telegram/SourceFiles/platform/mac/window_title_mac.mm b/Telegram/SourceFiles/platform/mac/window_title_mac.mm
index a33230530..346368370 100644
--- a/Telegram/SourceFiles/platform/mac/window_title_mac.mm
+++ b/Telegram/SourceFiles/platform/mac/window_title_mac.mm
@@ -54,7 +54,6 @@ void PreviewWindowTitle(Painter &p, const style::palette &palette, QRect body, i
 
 	auto useSystemFont = false;
 	QFont font;
-#ifndef OS_MAC_OLD
 	QStringList families = { qsl(".SF NS Text"), qsl("Helvetica Neue") };
 	for (auto family : families) {
 		font.setFamily(family);
@@ -63,7 +62,6 @@ void PreviewWindowTitle(Painter &p, const style::palette &palette, QRect body, i
 			break;
 		}
 	}
-#endif // OS_MAC_OLD
 
 	if (useSystemFont) {
 		font.setPixelSize((titleHeight * 15) / 24);
diff --git a/Telegram/SourceFiles/stdafx.h b/Telegram/SourceFiles/stdafx.h
index 563fb11a5..5f097b541 100644
--- a/Telegram/SourceFiles/stdafx.h
+++ b/Telegram/SourceFiles/stdafx.h
@@ -73,10 +73,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include <QtGui/QFontInfo>
 
 #include <QtWidgets/QWidget>
-
-#ifndef OS_MAC_OLD
 #include <QtWidgets/QOpenGLWidget>
-#endif // OS_MAC_OLD
 
 // Fix Google Breakpad build for Mac App Store and Linux version
 #ifdef Q_OS_UNIX
diff --git a/Telegram/SourceFiles/storage/localstorage.cpp b/Telegram/SourceFiles/storage/localstorage.cpp
index 5233f2f9b..0d2cc6343 100644
--- a/Telegram/SourceFiles/storage/localstorage.cpp
+++ b/Telegram/SourceFiles/storage/localstorage.cpp
@@ -735,9 +735,7 @@ bool readBackground() {
 	} else {
 		auto buffer = QBuffer(&imageData);
 		auto reader = QImageReader(&buffer);
-#ifndef OS_MAC_OLD
 		reader.setAutoTransform(true);
-#endif // OS_MAC_OLD
 		if (!reader.read(&image)) {
 			image = QImage();
 		}
diff --git a/Telegram/SourceFiles/support/support_helper.cpp b/Telegram/SourceFiles/support/support_helper.cpp
index b59288418..c40e1180d 100644
--- a/Telegram/SourceFiles/support/support_helper.cpp
+++ b/Telegram/SourceFiles/support/support_helper.cpp
@@ -177,11 +177,7 @@ uint32 ParseOccupationTag(History *history) {
 		return 0;
 	}
 	const auto &text = draft->textWithTags.text;
-#ifndef OS_MAC_OLD
 	const auto parts = text.splitRef(';');
-#else // OS_MAC_OLD
-	const auto parts = text.split(';');
-#endif // OS_MAC_OLD
 	auto valid = false;
 	auto result = uint32();
 	for (const auto &part : parts) {
@@ -207,11 +203,7 @@ QString ParseOccupationName(History *history) {
 		return QString();
 	}
 	const auto &text = draft->textWithTags.text;
-#ifndef OS_MAC_OLD
 	const auto parts = text.splitRef(';');
-#else // OS_MAC_OLD
-	const auto parts = text.split(';');
-#endif // OS_MAC_OLD
 	auto valid = false;
 	auto result = QString();
 	for (const auto &part : parts) {
@@ -222,11 +214,7 @@ QString ParseOccupationName(History *history) {
 				return 0;
 			}
 		} else if (part.startsWith(qstr("n:"))) {
-#ifndef OS_MAC_OLD
 			result = part.mid(2).toString();
-#else // OS_MAC_OLD
-			result = part.mid(2);
-#endif // OS_MAC_OLD
 		}
 	}
 	return valid ? result : QString();
@@ -241,11 +229,7 @@ TimeId OccupiedBySomeoneTill(History *history) {
 		return 0;
 	}
 	const auto &text = draft->textWithTags.text;
-#ifndef OS_MAC_OLD
 	const auto parts = text.splitRef(';');
-#else // OS_MAC_OLD
-	const auto parts = text.split(';');
-#endif // OS_MAC_OLD
 	auto valid = false;
 	auto result = TimeId();
 	for (const auto &part : parts) {
diff --git a/Telegram/SourceFiles/ui/widgets/continuous_sliders.cpp b/Telegram/SourceFiles/ui/widgets/continuous_sliders.cpp
index e74362b8b..13cd8efd2 100644
--- a/Telegram/SourceFiles/ui/widgets/continuous_sliders.cpp
+++ b/Telegram/SourceFiles/ui/widgets/continuous_sliders.cpp
@@ -110,11 +110,7 @@ void ContinuousSlider::wheelEvent(QWheelEvent *e) {
 	if (_mouseDown || !moveByWheel()) {
 		return;
 	}
-#ifdef OS_MAC_OLD
-	constexpr auto step = 120;
-#else // OS_MAC_OLD
 	constexpr auto step = static_cast<int>(QWheelEvent::DefaultDeltasPerStep);
-#endif // OS_MAC_OLD
 	constexpr auto coef = 1. / (step * 10.);
 
 	auto deltaX = e->angleDelta().x(), deltaY = e->angleDelta().y();
diff --git a/Telegram/SourceFiles/window/themes/window_theme.cpp b/Telegram/SourceFiles/window/themes/window_theme.cpp
index 6dd1201ad..4f5af4269 100644
--- a/Telegram/SourceFiles/window/themes/window_theme.cpp
+++ b/Telegram/SourceFiles/window/themes/window_theme.cpp
@@ -379,9 +379,7 @@ bool InitializeFromCache(
 	if (!cache.background.isEmpty()) {
 		QDataStream stream(cache.background);
 		QImageReader reader(stream.device());
-#ifndef OS_MAC_OLD
 		reader.setAutoTransform(true);
-#endif // OS_MAC_OLD
 		if (!reader.read(&background) || background.isNull()) {
 			return false;
 		}
diff --git a/Telegram/SourceFiles/window/window_main_menu.cpp b/Telegram/SourceFiles/window/window_main_menu.cpp
index eb7f6c0f8..74431484a 100644
--- a/Telegram/SourceFiles/window/window_main_menu.cpp
+++ b/Telegram/SourceFiles/window/window_main_menu.cpp
@@ -1168,11 +1168,7 @@ void MainMenu::initResetScaleButton() {
 		return rpl::single(
 			screen->availableGeometry()
 		) | rpl::then(
-#ifdef OS_MAC_OLD
-			base::qt_signal_producer(screen, &QScreen::virtualGeometryChanged)
-#else // OS_MAC_OLD
 			base::qt_signal_producer(screen, &QScreen::availableGeometryChanged)
-#endif // OS_MAC_OLD
 		);
 	}) | rpl::flatten_latest(
 	) | rpl::map([](QRect available) {
diff --git a/Telegram/build/build.sh b/Telegram/build/build.sh
index 2dec66fdd..bf9dfe0a8 100755
--- a/Telegram/build/build.sh
+++ b/Telegram/build/build.sh
@@ -61,13 +61,6 @@ if [ "$BuildTarget" == "linux" ]; then
   ProjectPath="$HomePath/../out"
   ReleasePath="$ProjectPath/Release"
   BinaryName="Telegram"
-elif [ "$BuildTarget" == "linux32" ]; then
-  echo "Building version $AppVersionStrFull for Linux 32bit.."
-  UpdateFile="tlinux32upd$AppVersion"
-  SetupFile="tsetup32.$AppVersionStrFull.tar.xz"
-  ProjectPath="$HomePath/../out"
-  ReleasePath="$ProjectPath/Release"
-  BinaryName="Telegram"
 elif [ "$BuildTarget" == "mac" ]; then
   echo "Building version $AppVersionStrFull for macOS 10.12+.."
   if [ "$AC_USERNAME" == "" ]; then
@@ -78,13 +71,6 @@ elif [ "$BuildTarget" == "mac" ]; then
   ProjectPath="$HomePath/../out"
   ReleasePath="$ProjectPath/Release"
   BinaryName="Telegram"
-elif [ "$BuildTarget" == "osx" ]; then
-  echo "Building version $AppVersionStrFull for OS X 10.10 and 10.11.."
-  UpdateFile="tosxupd$AppVersion"
-  SetupFile="tsetup-osx.$AppVersionStrFull.dmg"
-  ProjectPath="$HomePath/../out"
-  ReleasePath="$ProjectPath/Release"
-  BinaryName="Telegram"
 elif [ "$BuildTarget" == "macstore" ]; then
   if [ "$AlphaVersion" != "0" ]; then
     Error "Can't build macstore alpha version!"
@@ -122,7 +108,7 @@ fi
 
 DeployPath="$ReleasePath/deploy/$AppVersionStrMajor/$AppVersionStrFull"
 
-if [ "$BuildTarget" == "linux" ] || [ "$BuildTarget" == "linux32" ]; then
+if [ "$BuildTarget" == "linux" ]; then
 
   DropboxSymbolsPath="/media/psf/Dropbox/Telegram/symbols"
   if [ ! -d "$DropboxSymbolsPath" ]; then
@@ -201,7 +187,7 @@ if [ "$BuildTarget" == "linux" ] || [ "$BuildTarget" == "linux32" ]; then
   fi
 fi
 
-if [ "$BuildTarget" == "mac" ] || [ "$BuildTarget" == "osx" ] || [ "$BuildTarget" == "macstore" ]; then
+if [ "$BuildTarget" == "mac" ] || [ "$BuildTarget" == "macstore" ]; then
 
   DropboxSymbolsPath="$HOME/Dropbox/Telegram/symbols"
   if [ ! -d "$DropboxSymbolsPath" ]; then
@@ -237,7 +223,7 @@ if [ "$BuildTarget" == "mac" ] || [ "$BuildTarget" == "osx" ] || [ "$BuildTarget
       Error "$BinaryName.app.dSYM not found!"
     fi
 
-    if [ "$BuildTarget" == "mac" ] || [ "$BuildTarget" == "osx" ]; then
+    if [ "$BuildTarget" == "mac" ]; then
       if [ ! -f "$ReleasePath/$BinaryName.app/Contents/Frameworks/Updater" ]; then
         Error "Updater not found!"
       fi
@@ -260,7 +246,7 @@ if [ "$BuildTarget" == "mac" ] || [ "$BuildTarget" == "osx" ] || [ "$BuildTarget
     echo "Done!"
 
     echo "Signing the application.."
-    if [ "$BuildTarget" == "mac" ] || [ "$BuildTarget" == "osx" ]; then
+    if [ "$BuildTarget" == "mac" ]; then
       codesign --force --deep --timestamp --options runtime --sign "Developer ID Application: John Preston" "$ReleasePath/$BinaryName.app" --entitlements "$HomePath/Telegram/Telegram.entitlements"
     elif [ "$BuildTarget" == "macstore" ]; then
       codesign --force --deep --sign "3rd Party Mac Developer Application: Telegram FZ-LLC (C67CF9S4VU)" "$ReleasePath/$BinaryName.app" --entitlements "$HomePath/Telegram/Telegram Lite.entitlements"
@@ -287,7 +273,7 @@ if [ "$BuildTarget" == "mac" ] || [ "$BuildTarget" == "osx" ] || [ "$BuildTarget
       Error "$BinaryName signature not found!"
     fi
 
-    if [ "$BuildTarget" == "mac" ] || [ "$BuildTarget" == "osx" ]; then
+    if [ "$BuildTarget" == "mac" ]; then
       if [ ! -f "$ReleasePath/$BinaryName.app/Contents/Frameworks/Updater" ]; then
         Error "Updater not found in Frameworks!"
       fi
@@ -304,7 +290,7 @@ if [ "$BuildTarget" == "mac" ] || [ "$BuildTarget" == "osx" ] || [ "$BuildTarget
     echo "Done!"
   fi
 
-  if [ "$BuildTarget" == "mac" ] || [ "$BuildTarget" == "osx" ]; then
+  if [ "$BuildTarget" == "mac" ]; then
     cd "$ReleasePath"
 
     if [ "$NotarizeRequestId" == "" ]; then
@@ -434,7 +420,7 @@ if [ "$BuildTarget" == "mac" ] || [ "$BuildTarget" == "osx" ] || [ "$BuildTarget
     mkdir "$ReleasePath/deploy/$AppVersionStrMajor"
   fi
 
-  if [ "$BuildTarget" == "mac" ] || [ "$BuildTarget" == "osx" ]; then
+  if [ "$BuildTarget" == "mac" ]; then
     echo "Copying $BinaryName.app and $UpdateFile to deploy/$AppVersionStrMajor/$AppVersionStr..";
     mkdir "$DeployPath"
     mkdir "$DeployPath/$BinaryName"
@@ -456,14 +442,6 @@ if [ "$BuildTarget" == "mac" ] || [ "$BuildTarget" == "osx" ] || [ "$BuildTarget
         cp -v "$DeployPath/$AlphaKeyFile" "$BackupPath/tmac/"
       fi
     fi
-    if [ "$BuildTarget" == "osx" ]; then
-      mkdir -p "$BackupPath/tosx"
-      cp "$DeployPath/$UpdateFile" "$BackupPath/tosx/"
-      cp "$DeployPath/$SetupFile" "$BackupPath/tosx/"
-      if [ "$AlphaVersion" != "0" ]; then
-        cp -v "$DeployPath/$AlphaKeyFile" "$BackupPath/tosx/"
-      fi
-    fi
   elif [ "$BuildTarget" == "macstore" ]; then
     echo "Copying $BinaryName.app to deploy/$AppVersionStrMajor/$AppVersionStr..";
     mkdir "$DeployPath"
diff --git a/Telegram/build/deploy.sh b/Telegram/build/deploy.sh
index e1b9c4498..386882df0 100755
--- a/Telegram/build/deploy.sh
+++ b/Telegram/build/deploy.sh
@@ -47,17 +47,12 @@ fi
 echo ""
 HomePath="$FullScriptPath/.."
 DeployMac="0"
-DeployOsx="0"
 DeployWin="0"
 DeployWin64="0"
 DeployLinux="0"
-DeployLinux32="0"
 if [ "$DeployTarget" == "mac" ]; then
   DeployMac="1"
   echo "Deploying version $AppVersionStrFull for macOS.."
-elif [ "$DeployTarget" == "osx" ]; then
-  DeployOsx="1"
-  echo "Deploying version $AppVersionStrFull for OS X 10.10 and 10.11.."
 elif [ "$DeployTarget" == "win" ]; then
   DeployWin="1"
   echo "Deploying version $AppVersionStrFull for Windows 32 bit.."
@@ -67,9 +62,6 @@ elif [ "$DeployTarget" == "win64" ]; then
 elif [ "$DeployTarget" == "linux" ]; then
   DeployLinux="1"
   echo "Deploying version $AppVersionStrFull for Linux 64 bit.."
-elif [ "$DeployTarget" == "linux32" ]; then
-  DeployLinux32="1"
-  echo "Deploying version $AppVersionStrFull for Linux 32 bit.."
 else
   DeployMac="1"
   DeployWin="1"
@@ -88,10 +80,6 @@ MacDeployPath="$BackupPath/$AppVersionStrMajor/$AppVersionStrFull/tmac"
 MacUpdateFile="tmacupd$AppVersion"
 MacSetupFile="tsetup.$AppVersionStrFull.dmg"
 MacRemoteFolder="tmac"
-OsxDeployPath="$BackupPath/$AppVersionStrMajor/$AppVersionStrFull/tosx"
-OsxUpdateFile="tosxupd$AppVersion"
-OsxSetupFile="tsetup-osx.$AppVersionStrFull.dmg"
-OsxRemoteFolder="tosx"
 WinDeployPath="$BackupPath/$AppVersionStrMajor/$AppVersionStrFull/tsetup"
 WinUpdateFile="tupdate$AppVersion"
 WinSetupFile="tsetup.$AppVersionStrFull.exe"
@@ -106,10 +94,6 @@ LinuxDeployPath="$BackupPath/$AppVersionStrMajor/$AppVersionStrFull/tlinux"
 LinuxUpdateFile="tlinuxupd$AppVersion"
 LinuxSetupFile="tsetup.$AppVersionStrFull.tar.xz"
 LinuxRemoteFolder="tlinux"
-Linux32DeployPath="$BackupPath/$AppVersionStrMajor/$AppVersionStrFull/tlinux32"
-Linux32UpdateFile="tlinux32upd$AppVersion"
-Linux32SetupFile="tsetup32.$AppVersionStrFull.tar.xz"
-Linux32RemoteFolder="tlinux32"
 DeployPath="$BackupPath/$AppVersionStrMajor/$AppVersionStrFull"
 
 if [ "$AlphaVersion" != "0" ]; then
@@ -117,12 +101,8 @@ if [ "$AlphaVersion" != "0" ]; then
     AlphaFilePath="$WinDeployPath/$AlphaKeyFile"
   elif [ "$DeployTarget" == "win64" ]; then
     AlphaFilePath="$Win64DeployPath/$AlphaKeyFile"
-  elif [ "$DeployTarget" == "osx" ]; then
-    AlphaFilePath="$OsxDeployPath/$AlphaKeyFile"
   elif [ "$DeployTarget" == "linux" ]; then
     AlphaFilePath="$LinuxDeployPath/$AlphaKeyFile"
-  elif [ "$DeployTarget" == "linux32" ]; then
-    AlphaFilePath="$Linux32DeployPath/$AlphaKeyFile"
   else
     AlphaFilePath="$MacDeployPath/$AlphaKeyFile"
   fi
@@ -136,16 +116,12 @@ if [ "$AlphaVersion" != "0" ]; then
 
   MacUpdateFile="${MacUpdateFile}_${AlphaSignature}"
   MacSetupFile="talpha${AlphaVersion}_${AlphaSignature}.zip"
-  OsxUpdateFile="${OsxUpdateFile}_${AlphaSignature}"
-  OsxSetupFile="talpha${AlphaVersion}_${AlphaSignature}.zip"
   WinUpdateFile="${WinUpdateFile}_${AlphaSignature}"
   WinPortableFile="talpha${AlphaVersion}_${AlphaSignature}.zip"
   Win64UpdateFile="${Win64UpdateFile}_${AlphaSignature}"
   Win64PortableFile="talpha${AlphaVersion}_${AlphaSignature}.zip"
   LinuxUpdateFile="${LinuxUpdateFile}_${AlphaSignature}"
   LinuxSetupFile="talpha${AlphaVersion}_${AlphaSignature}.tar.xz"
-  Linux32UpdateFile="${Linux32UpdateFile}_${AlphaSignature}"
-  Linux32SetupFile="talpha${AlphaVersion}_${AlphaSignature}.tar.xz"
 fi
 
 if [ "$DeployMac" == "1" ]; then
@@ -156,14 +132,6 @@ if [ "$DeployMac" == "1" ]; then
     Error "$MacDeployPath/$MacSetupFile not found!"
   fi
 fi
-if [ "$DeployOsx" == "1" ]; then
-  if [ ! -f "$OsxDeployPath/$OsxUpdateFile" ]; then
-    Error "$OsxUpdateFile not found!"
-  fi
-  if [ ! -f "$OsxDeployPath/$OsxSetupFile" ]; then
-    Error "$OsxSetupFile not found!"
-  fi
-fi
 if [ "$DeployWin" == "1" ]; then
   if [ ! -f "$WinDeployPath/$WinUpdateFile" ]; then
     Error "$WinUpdateFile not found!"
@@ -198,14 +166,6 @@ if [ "$DeployLinux" == "1" ]; then
     Error "$LinuxDeployPath/$LinuxSetupFile not found!"
   fi
 fi
-if [ "$DeployLinux32" == "1" ]; then
-  if [ ! -f "$Linux32DeployPath/$Linux32UpdateFile" ]; then
-    Error "$Linux32DeployPath/$Linux32UpdateFile not found!"
-  fi
-  if [ ! -f "$Linux32DeployPath/$Linux32SetupFile" ]; then
-    Error "$Linux32DeployPath/$Linux32SetupFile not found!"
-  fi
-fi
 
 $FullScriptPath/../../../DesktopPrivate/mount.sh
 
@@ -213,9 +173,6 @@ declare -a Files
 if [ "$DeployMac" == "1" ]; then
   Files+=("tmac/$MacUpdateFile" "tmac/$MacSetupFile")
 fi
-if [ "$DeployOsx" == "1" ]; then
-  Files+=("tosx/$OsxUpdateFile" "tosx/$OsxSetupFile")
-fi
 if [ "$DeployWin" == "1" ]; then
   Files+=("tsetup/$WinUpdateFile" "tsetup/$WinPortableFile")
   if [ "$AlphaVersion" == "0" ]; then
@@ -231,9 +188,6 @@ fi
 if [ "$DeployLinux" == "1" ]; then
   Files+=("tlinux/$LinuxUpdateFile" "tlinux/$LinuxSetupFile")
 fi
-if [ "$DeployLinux32" == "1" ]; then
-  Files+=("tlinux32/$Linux32UpdateFile" "tlinux32/$Linux32SetupFile")
-fi
 cd $DeployPath
 rsync -avR --progress ${Files[@]} "$FullScriptPath/../../../DesktopPrivate/remote/files"
 
diff --git a/Telegram/cmake/lib_tgvoip.cmake b/Telegram/cmake/lib_tgvoip.cmake
index f7007c4e4..f332b1807 100644
--- a/Telegram/cmake/lib_tgvoip.cmake
+++ b/Telegram/cmake/lib_tgvoip.cmake
@@ -169,7 +169,7 @@ if (NOT TGVOIP_FOUND)
             -Wno-error=sequence-point
             -Wno-error=unused-result
         )
-        if (build_linux32 AND CMAKE_SYSTEM_PROCESSOR MATCHES "i686.*|i386.*|x86.*")
+        if (CMAKE_SIZEOF_VOID_P EQUAL 4 AND CMAKE_SYSTEM_PROCESSOR MATCHES "i686.*|i386.*|x86.*")
             target_compile_options(lib_tgvoip_bundled_options INTERFACE -msse2)
         endif()
         target_link_libraries(lib_tgvoip_bundled
diff --git a/Telegram/lib_base b/Telegram/lib_base
index a23c05c44..fc2f6061c 160000
--- a/Telegram/lib_base
+++ b/Telegram/lib_base
@@ -1 +1 @@
-Subproject commit a23c05c44e4f01dc4428f4d75d4db98c59d313a6
+Subproject commit fc2f6061c65252f0046d276ac8d591bd9dff3b5a
diff --git a/Telegram/lib_ui b/Telegram/lib_ui
index 1b590f9e1..a2d1114a9 160000
--- a/Telegram/lib_ui
+++ b/Telegram/lib_ui
@@ -1 +1 @@
-Subproject commit 1b590f9e16eb9571a039f072d6fea66c607e419f
+Subproject commit a2d1114a93c094f9b4919ddba06d42eca40a8655
diff --git a/cmake b/cmake
index 4d44d822e..b02fc9061 160000
--- a/cmake
+++ b/cmake
@@ -1 +1 @@
-Subproject commit 4d44d822e01b3b5fbec3ce824e01f56aa35d7f72
+Subproject commit b02fc90612b3a22525e47ad4c404a7e432b6803f