diff --git a/Telegram/SourceFiles/boxes/edit_privacy_box.h b/Telegram/SourceFiles/boxes/edit_privacy_box.h
index 64aed7d6d4..1096d5f811 100644
--- a/Telegram/SourceFiles/boxes/edit_privacy_box.h
+++ b/Telegram/SourceFiles/boxes/edit_privacy_box.h
@@ -11,8 +11,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "mtproto/sender.h"
 #include "apiwrap.h"
 
-enum LangKey : int;
-
 namespace Ui {
 class VerticalLayout;
 class FlatLabel;
diff --git a/Telegram/SourceFiles/boxes/peers/edit_peer_permissions_box.h b/Telegram/SourceFiles/boxes/peers/edit_peer_permissions_box.h
index 4bd9dad02a..04e87308ab 100644
--- a/Telegram/SourceFiles/boxes/peers/edit_peer_permissions_box.h
+++ b/Telegram/SourceFiles/boxes/peers/edit_peer_permissions_box.h
@@ -15,8 +15,6 @@ class RoundButton;
 class VerticalLayout;
 } // namespace Ui
 
-enum LangKey : int;
-
 class EditPeerPermissionsBox : public BoxContent {
 public:
 	EditPeerPermissionsBox(QWidget*, not_null<PeerData*> peer);
diff --git a/Telegram/SourceFiles/boxes/peers/edit_peer_type_box.h b/Telegram/SourceFiles/boxes/peers/edit_peer_type_box.h
index adcb70b3ca..767d8e7870 100644
--- a/Telegram/SourceFiles/boxes/peers/edit_peer_type_box.h
+++ b/Telegram/SourceFiles/boxes/peers/edit_peer_type_box.h
@@ -10,8 +10,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/abstract_box.h"
 #include "base/timer.h"
 
-enum LangKey : int;
-
 namespace style {
 struct InfoProfileCountButton;
 } // namespace style
diff --git a/Telegram/SourceFiles/boxes/single_choice_box.h b/Telegram/SourceFiles/boxes/single_choice_box.h
index 194d401357..876f44821f 100644
--- a/Telegram/SourceFiles/boxes/single_choice_box.h
+++ b/Telegram/SourceFiles/boxes/single_choice_box.h
@@ -10,8 +10,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/abstract_box.h"
 #include <vector>
 
-enum LangKey : int;
-
 namespace Ui {
 class Radiobutton;
 } // namespace Ui
diff --git a/Telegram/SourceFiles/codegen/lang/generator.cpp b/Telegram/SourceFiles/codegen/lang/generator.cpp
index 75a6e993fe..cdd8fef248 100644
--- a/Telegram/SourceFiles/codegen/lang/generator.cpp
+++ b/Telegram/SourceFiles/codegen/lang/generator.cpp
@@ -106,7 +106,6 @@ bool Generator::writeHeader() {
 
 	writeHeaderForwardDeclarations();
 	writeHeaderTagTypes();
-	writeHeaderKeyType();
 	writeHeaderInterface();
 	writeHeaderReactiveInterface();
 	writeHeaderTaggedMethods();
@@ -117,11 +116,10 @@ bool Generator::writeHeader() {
 void Generator::writeHeaderForwardDeclarations() {
 	header_->pushNamespace("Lang").stream() << "\
 \n\
-inline constexpr auto kTagsCount = " << langpack_.tags.size() << ";\n\
+inline constexpr ushort kTagsCount = " << langpack_.tags.size() << ";\n\
+inline constexpr ushort kKeysCount = " << langpack_.entries.size() << ";\n\
 \n";
-
-	header_->popNamespace().newline().stream() << "\
-enum LangKey : int;\n\n";
+	header_->popNamespace().newline();
 }
 
 void Generator::writeHeaderTagTypes() {
@@ -143,19 +141,6 @@ void Generator::writeHeaderTagTypes() {
 	header_->newline();
 }
 
-void Generator::writeHeaderKeyType() {
-	header_->stream() << "\
-enum LangKey : int {\n";
-	for (auto &entry : langpack_.entries) {
-		header_->stream() << "\t" << getFullKey(entry) << ",\n";
-	}
-	header_->stream() << "\
-\n\
-	kLangKeysCount,\n\
-};\n\
-\n";
-}
-
 void Generator::writeHeaderTaggedMethods() {
 	for (auto &entry : langpack_.entries) {
 		auto isPlural = !entry.keyBase.isEmpty();
@@ -181,9 +166,9 @@ void Generator::writeHeaderInterface() {
 	header_->pushNamespace("Lang").stream() << "\
 \n\
 ushort GetTagIndex(QLatin1String tag);\n\
-LangKey GetKeyIndex(QLatin1String key);\n\
-bool IsTagReplaced(LangKey key, ushort tag);\n\
-QString GetOriginalValue(LangKey key);\n\
+ushort GetKeyIndex(QLatin1String key);\n\
+bool IsTagReplaced(ushort key, ushort tag);\n\
+QString GetOriginalValue(ushort key);\n\
 \n";
 	writeHeaderTagValueLookup();
 	header_->popNamespace().newline();
@@ -286,7 +271,7 @@ struct phrase<" << tags.join(", ") << "> {\n\
 		return ::Lang::details::Producer<" << tags.join(", ") << ">::template Current(" << values.join(", ") << ");\n\
 	}\n\
 \n\
-	LangKey base;\n\
+	ushort base;\n\
 };\n\
 \n";
 	}
@@ -304,17 +289,29 @@ void Generator::writeHeaderProducersInstances() {
 		}
 		if (!isPlural || key == ComputePluralKey(entry.keyBase, 0)) {
 			header_->stream() << "\
-inline constexpr phrase<" << tags.join(", ") << "> " << (isPlural ? entry.keyBase : key) << "{ LangKey(" << index << ") };\n";
+inline constexpr phrase<" << tags.join(", ") << "> " << (isPlural ? entry.keyBase : key) << "{ ushort(" << index << ") };\n";
 		}
 		++index;
 	}
 	header_->newline();
 }
 
+void Generator::writeSourceLangKeyConstants() {
+	auto index = 0;
+	for (auto &entry : langpack_.entries) {
+		source_->stream() << "constexpr auto " << getFullKey(entry) << " = ushort(" << (index++) << ");\n";
+	}
+	source_->newline();
+}
+
 bool Generator::writeSource() {
 	source_ = std::make_unique<common::CppFile>(basePath_ + ".cpp", project_);
 
-	source_->include("lang/lang_keys.h").pushNamespace("Lang").pushNamespace().stream() << "\
+	source_->include("lang/lang_keys.h").pushNamespace("Lang").pushNamespace();
+
+	writeSourceLangKeyConstants();
+
+	source_->stream() << "\
 \n\
 QChar DefaultData[] = {";
 	auto count = 0;
@@ -375,7 +372,7 @@ ushort GetTagIndex(QLatin1String tag) {\n\
 	source_->stream() << "\
 }\n\
 \n\
-LangKey GetKeyIndex(QLatin1String key) {\n\
+ushort GetKeyIndex(QLatin1String key) {\n\
 	auto size = key.size();\n\
 	auto data = key.data();\n";
 
@@ -397,15 +394,16 @@ LangKey GetKeyIndex(QLatin1String key) {\n\
 		}
 	}
 
-	writeSetSearch(keysSet, [&taggedKeys](const QString &key) {
+	writeSetSearch(keysSet, [&](const QString &key) {
 		auto it = taggedKeys.find(key);
 		return (it != taggedKeys.end()) ? it->second : key;
-	}, "kLangKeysCount");
+	}, "kKeysCount");
+	header_->popNamespace().newline();
 
 	source_->stream() << "\
 }\n\
 \n\
-bool IsTagReplaced(LangKey key, ushort tag) {\n\
+bool IsTagReplaced(ushort key, ushort tag) {\n\
 	switch (key) {\n";
 
 	auto lastWrittenPluralEntry = QString();
@@ -444,9 +442,10 @@ bool IsTagReplaced(LangKey key, ushort tag) {\n\
 	return false;\n\
 }\n\
 \n\
-QString GetOriginalValue(LangKey key) {\n\
-	Expects(key >= 0 && key < kLangKeysCount);\n\
-	auto offset = Offsets[key];\n\
+QString GetOriginalValue(ushort key) {\n\
+	Expects(key >= 0 && key < kKeysCount);\n\
+\n\
+	const auto offset = Offsets[key];\n\
 	return QString::fromRawData(DefaultData + offset, Offsets[key + 1] - offset);\n\
 }\n\
 \n";
diff --git a/Telegram/SourceFiles/codegen/lang/generator.h b/Telegram/SourceFiles/codegen/lang/generator.h
index 958ac23a38..f7f6d07083 100644
--- a/Telegram/SourceFiles/codegen/lang/generator.h
+++ b/Telegram/SourceFiles/codegen/lang/generator.h
@@ -31,7 +31,6 @@ public:
 private:
 	void writeHeaderForwardDeclarations();
 	void writeHeaderTagTypes();
-	void writeHeaderKeyType();
 	void writeHeaderTaggedMethods();
 	void writeHeaderInterface();
 	void writeHeaderTagValueLookup();
@@ -39,6 +38,8 @@ private:
 	void writeHeaderProducersInterface();
 	void writeHeaderProducersInstances();
 
+	void writeSourceLangKeyConstants();
+
 	QString getFullKey(const LangPack::Entry &entry);
 
 	template <typename ComputeResult>
diff --git a/Telegram/SourceFiles/data/data_peer.h b/Telegram/SourceFiles/data/data_peer.h
index df8ef07864..f652716169 100644
--- a/Telegram/SourceFiles/data/data_peer.h
+++ b/Telegram/SourceFiles/data/data_peer.h
@@ -11,8 +11,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_flags.h"
 #include "data/data_notify_settings.h"
 
-enum LangKey : int;
-
 namespace Ui {
 class EmptyUserpic;
 } // namespace Ui
diff --git a/Telegram/SourceFiles/history/history_widget.h b/Telegram/SourceFiles/history/history_widget.h
index 960fdf4550..d7be48f110 100644
--- a/Telegram/SourceFiles/history/history_widget.h
+++ b/Telegram/SourceFiles/history/history_widget.h
@@ -23,7 +23,6 @@ struct SendingAlbum;
 enum class SendMediaType;
 enum class CompressConfirm;
 class MessageLinksParser;
-enum LangKey : int;
 
 namespace InlineBots {
 namespace Layout {
diff --git a/Telegram/SourceFiles/intro/introwidget.cpp b/Telegram/SourceFiles/intro/introwidget.cpp
index 30054cf3b9..b9e1497694 100644
--- a/Telegram/SourceFiles/intro/introwidget.cpp
+++ b/Telegram/SourceFiles/intro/introwidget.cpp
@@ -149,17 +149,19 @@ void Widget::createLanguageLink() {
 	const auto defaultId = Lang::DefaultLanguageId();
 	const auto suggested = Lang::CurrentCloudManager().suggestedLanguage();
 	if (currentId != defaultId) {
-		createLink(Lang::GetOriginalValue(lng_switch_to_this), defaultId);
+		createLink(
+			Lang::GetOriginalValue(tr::lng_switch_to_this.base),
+			defaultId);
 	} else if (!suggested.isEmpty() && suggested != currentId) {
 		request(MTPlangpack_GetStrings(
 			MTP_string(Lang::CloudLangPackName()),
 			MTP_string(suggested),
 			MTP_vector<MTPstring>(1, MTP_string("lng_switch_to_this"))
 		)).done([=](const MTPVector<MTPLangPackString> &result) {
-			auto strings = Lang::Instance::ParseStrings(result);
-			auto it = strings.find(lng_switch_to_this);
-			if (it != strings.end()) {
-				createLink(it->second, suggested);
+			const auto strings = Lang::Instance::ParseStrings(result);
+			const auto i = strings.find(tr::lng_switch_to_this.base);
+			if (i != strings.end()) {
+				createLink(i->second, suggested);
 			}
 		}).send();
 	}
diff --git a/Telegram/SourceFiles/lang/lang_cloud_manager.cpp b/Telegram/SourceFiles/lang/lang_cloud_manager.cpp
index d7ef7005c5..0c7a8a2179 100644
--- a/Telegram/SourceFiles/lang/lang_cloud_manager.cpp
+++ b/Telegram/SourceFiles/lang/lang_cloud_manager.cpp
@@ -468,7 +468,7 @@ void CloudManager::switchToLanguage(const Language &data) {
 		)).done([=](const MTPVector<MTPLangPackString> &result) {
 			_switchingToLanguageRequest = 0;
 			const auto values = Instance::ParseStrings(result);
-			const auto getValue = [&](LangKey key) {
+			const auto getValue = [&](ushort key) {
 				auto it = values.find(key);
 				return (it == values.cend())
 					? GetOriginalValue(key)
@@ -476,7 +476,7 @@ void CloudManager::switchToLanguage(const Language &data) {
 			};
 			const auto text = tr::lng_sure_save_language(tr::now)
 				+ "\n\n"
-				+ getValue(lng_sure_save_language);
+				+ getValue(tr::lng_sure_save_language.base);
 			Ui::show(
 				Box<ConfirmBox>(
 					text,
@@ -498,15 +498,17 @@ void CloudManager::performSwitchToCustom() {
 			return;
 		}
 
-		auto filePath = result.paths.front();
-		Lang::FileParser loader(filePath, { lng_sure_save_language });
+		const auto filePath = result.paths.front();
+		auto loader = Lang::FileParser(
+			filePath,
+			{ tr::lng_sure_save_language.base });
 		if (loader.errors().isEmpty()) {
 			weak->request(weak->_switchingToLanguageRequest).cancel();
 			if (weak->canApplyWithoutRestart(qsl("#custom"))) {
 				weak->_langpack.switchToCustomFile(filePath);
 			} else {
 				const auto values = loader.found();
-				const auto getValue = [&](LangKey key) {
+				const auto getValue = [&](ushort key) {
 					const auto it = values.find(key);
 					return (it == values.cend())
 						? GetOriginalValue(key)
@@ -514,7 +516,7 @@ void CloudManager::performSwitchToCustom() {
 				};
 				const auto text = tr::lng_sure_save_language(tr::now)
 					+ "\n\n"
-					 + getValue(lng_sure_save_language);
+					 + getValue(tr::lng_sure_save_language.base);
 				const auto change = [=] {
 					weak->_langpack.switchToCustomFile(filePath);
 					App::restart();
diff --git a/Telegram/SourceFiles/lang/lang_file_parser.cpp b/Telegram/SourceFiles/lang/lang_file_parser.cpp
index 27253eb111..f1d0852dcd 100644
--- a/Telegram/SourceFiles/lang/lang_file_parser.cpp
+++ b/Telegram/SourceFiles/lang/lang_file_parser.cpp
@@ -16,7 +16,7 @@ constexpr auto kLangFileLimit = 1024 * 1024;
 
 } // namespace
 
-FileParser::FileParser(const QString &file, const std::set<LangKey> &request)
+FileParser::FileParser(const QString &file, const std::set<ushort> &request)
 : _content(base::parse::stripComments(ReadFile(file, file)))
 , _request(request) {
 	parse();
@@ -90,7 +90,7 @@ bool FileParser::readKeyValue(const char *&from, const char *end) {
 	}
 
 	auto skipping = false;
-	auto keyIndex = kLangKeysCount;
+	auto keyIndex = kKeysCount;
 	if (!_callback) {
 		keyIndex = GetKeyIndex(key);
 		skipping = (_request.find(keyIndex) == _request.end());
diff --git a/Telegram/SourceFiles/lang/lang_file_parser.h b/Telegram/SourceFiles/lang/lang_file_parser.h
index cf0dcd4de5..f7fb1fb912 100644
--- a/Telegram/SourceFiles/lang/lang_file_parser.h
+++ b/Telegram/SourceFiles/lang/lang_file_parser.h
@@ -13,9 +13,9 @@ namespace Lang {
 
 class FileParser {
 public:
-	using Result = QMap<LangKey, QString>;
+	using Result = QMap<ushort, QString>;
 
-	FileParser(const QString &file, const std::set<LangKey> &request);
+	FileParser(const QString &file, const std::set<ushort> &request);
 	FileParser(const QByteArray &content, Fn<void(QLatin1String key, const QByteArray &value)> callback);
 
 	static QByteArray ReadFile(const QString &absolutePath, const QString &relativePath);
@@ -43,7 +43,7 @@ private:
 	mutable QString _errors, _warnings;
 
 	const QByteArray _content;
-	const std::set<LangKey> _request;
+	const std::set<ushort> _request;
 	const Fn<void(QLatin1String key, const QByteArray &value)> _callback;
 
 	Result _result;
diff --git a/Telegram/SourceFiles/lang/lang_instance.cpp b/Telegram/SourceFiles/lang/lang_instance.cpp
index 36245aaa73..f5fbee23ca 100644
--- a/Telegram/SourceFiles/lang/lang_instance.cpp
+++ b/Telegram/SourceFiles/lang/lang_instance.cpp
@@ -27,9 +27,9 @@ constexpr auto kLangValuesLimit = 20000;
 
 std::vector<QString> PrepareDefaultValues() {
 	auto result = std::vector<QString>();
-	result.reserve(kLangKeysCount);
-	for (auto i = 0; i != kLangKeysCount; ++i) {
-		result.emplace_back(GetOriginalValue(LangKey(i)));
+	result.reserve(kKeysCount);
+	for (auto i = 0; i != kKeysCount; ++i) {
+		result.emplace_back(GetOriginalValue(ushort(i)));
 	}
 	return result;
 }
@@ -38,7 +38,7 @@ class ValueParser {
 public:
 	ValueParser(
 		const QByteArray &key,
-		LangKey keyIndex,
+		ushort keyIndex,
 		const QByteArray &value);
 
 	QString takeResult() {
@@ -55,7 +55,7 @@ private:
 	bool readTag();
 
 	const QByteArray &_key;
-	LangKey _keyIndex = kLangKeysCount;
+	ushort _keyIndex = kKeysCount;
 
 	QLatin1String _currentTag;
 	ushort _currentTagIndex = 0;
@@ -72,7 +72,10 @@ private:
 
 };
 
-ValueParser::ValueParser(const QByteArray &key, LangKey keyIndex, const QByteArray &value)
+ValueParser::ValueParser(
+	const QByteArray &key,
+	ushort keyIndex,
+	const QByteArray &value)
 : _key(key)
 , _keyIndex(keyIndex)
 , _currentTag("")
@@ -196,7 +199,7 @@ void ParseKeyValue(
 		const QByteArray &value,
 		Save &&save) {
 	const auto index = GetKeyIndex(QLatin1String(key));
-	if (index != kLangKeysCount) {
+	if (index != kKeysCount) {
 		ValueParser parser(key, index, value);
 		if (parser.parse()) {
 			save(index, parser.takeResult());
@@ -240,12 +243,12 @@ struct Instance::PrivateTag {
 
 Instance::Instance()
 : _values(PrepareDefaultValues())
-, _nonDefaultSet(kLangKeysCount, 0) {
+, _nonDefaultSet(kKeysCount, 0) {
 }
 
 Instance::Instance(not_null<Instance*> derived, const PrivateTag &)
 : _derived(derived)
-, _nonDefaultSet(kLangKeysCount, 0) {
+, _nonDefaultSet(kKeysCount, 0) {
 }
 
 void Instance::switchToId(const Language &data) {
@@ -298,7 +301,7 @@ void Instance::reset(const Language &data) {
 	_version = 0;
 	_nonDefaultValues.clear();
 	for (auto i = 0, count = int(_values.size()); i != count; ++i) {
-		_values[i] = GetOriginalValue(LangKey(i));
+		_values[i] = GetOriginalValue(ushort(i));
 	}
 	ranges::fill(_nonDefaultSet, 0);
 
@@ -340,12 +343,14 @@ QString Instance::baseId() const {
 }
 
 QString Instance::name() const {
-	return _name.isEmpty() ? getValue(lng_language_name) : _name;
+	return _name.isEmpty()
+		? getValue(tr::lng_language_name.base)
+		: _name;
 }
 
 QString Instance::nativeName() const {
 	return _nativeName.isEmpty()
-		? getValue(lng_language_name)
+		? getValue(tr::lng_language_name.base)
 		: _nativeName;
 }
 
@@ -719,17 +724,17 @@ void Instance::applyDifferenceToMe(
 	}
 }
 
-std::map<LangKey, QString> Instance::ParseStrings(
+std::map<ushort, QString> Instance::ParseStrings(
 		const MTPVector<MTPLangPackString> &strings) {
-	auto result = std::map<LangKey, QString>();
+	auto result = std::map<ushort, QString>();
 	for (const auto &string : strings.v) {
 		HandleString(string, [&](auto &&key, auto &&value) {
-			ParseKeyValue(key, value, [&](LangKey key, QString &&value) {
+			ParseKeyValue(key, value, [&](ushort key, QString &&value) {
 				result[key] = std::move(value);
 			});
 		}, [&](auto &&key) {
 			auto keyIndex = GetKeyIndex(QLatin1String(key));
-			if (keyIndex != kLangKeysCount) {
+			if (keyIndex != kKeysCount) {
 				result.erase(keyIndex);
 			}
 		});
@@ -748,7 +753,7 @@ QString Instance::getNonDefaultValue(const QByteArray &key) const {
 
 void Instance::applyValue(const QByteArray &key, const QByteArray &value) {
 	_nonDefaultValues[key] = value;
-	ParseKeyValue(key, value, [&](LangKey key, QString &&value) {
+	ParseKeyValue(key, value, [&](ushort key, QString &&value) {
 		_nonDefaultSet[key] = 1;
 		if (!_derived) {
 			_values[key] = std::move(value);
@@ -773,7 +778,7 @@ void Instance::resetValue(const QByteArray &key) {
 	_nonDefaultValues.erase(key);
 
 	const auto keyIndex = GetKeyIndex(QLatin1String(key));
-	if (keyIndex != kLangKeysCount) {
+	if (keyIndex != kKeysCount) {
 		_nonDefaultSet[keyIndex] = 0;
 		if (!_derived) {
 			const auto base = _base
@@ -794,11 +799,11 @@ Instance &Current() {
 
 namespace details {
 
-QString Current(LangKey key) {
+QString Current(ushort key) {
 	return Lang::Current().getValue(key);
 }
 
-rpl::producer<QString> Viewer(LangKey key) {
+rpl::producer<QString> Viewer(ushort key) {
 	return rpl::single(
 		Lang::Current().getValue(key)
 	) | then(base::ObservableViewer(
diff --git a/Telegram/SourceFiles/lang/lang_instance.h b/Telegram/SourceFiles/lang/lang_instance.h
index a3ca475c88..7ce7b8c7ee 100644
--- a/Telegram/SourceFiles/lang/lang_instance.h
+++ b/Telegram/SourceFiles/lang/lang_instance.h
@@ -96,19 +96,19 @@ public:
 	void applyDifference(
 		Pack pack,
 		const MTPDlangPackDifference &difference);
-	static std::map<LangKey, QString> ParseStrings(
+	static std::map<ushort, QString> ParseStrings(
 		const MTPVector<MTPLangPackString> &strings);
 	base::Observable<void> &updated() {
 		return _updated;
 	}
 
-	QString getValue(LangKey key) const {
+	QString getValue(ushort key) const {
 		Expects(key >= 0 && key < _values.size());
 
 		return _values[key];
 	}
 	QString getNonDefaultValue(const QByteArray &key) const;
-	bool isNonDefaultPlural(LangKey key) const {
+	bool isNonDefaultPlural(ushort key) const {
 		Expects(key >= 0 && key + 5 < _nonDefaultSet.size());
 
 		return _nonDefaultSet[key]
@@ -163,8 +163,8 @@ private:
 
 namespace details {
 
-QString Current(LangKey key);
-rpl::producer<QString> Viewer(LangKey key);
+QString Current(ushort key);
+rpl::producer<QString> Viewer(ushort key);
 
 } // namespace details
 } // namespace Lang
diff --git a/Telegram/SourceFiles/lang/lang_tag.cpp b/Telegram/SourceFiles/lang/lang_tag.cpp
index 88fd4e5aa1..9f8fadef46 100644
--- a/Telegram/SourceFiles/lang/lang_tag.cpp
+++ b/Telegram/SourceFiles/lang/lang_tag.cpp
@@ -963,7 +963,7 @@ PluralResult Plural(
 	const auto t = f;
 
 	const auto useNonDefaultPlural = (ChoosePlural != ChoosePluralDefault)
-		&& Lang::Current().isNonDefaultPlural(LangKey(keyBase));
+		&& Lang::Current().isNonDefaultPlural(keyBase);
 	const auto shift = (useNonDefaultPlural ? ChoosePlural : ChoosePluralDefault)(
 		(integer ? i : -1),
 		i,
diff --git a/Telegram/SourceFiles/lang/lang_values.h b/Telegram/SourceFiles/lang/lang_values.h
index 7b35734e11..abe715f1b7 100644
--- a/Telegram/SourceFiles/lang/lang_values.h
+++ b/Telegram/SourceFiles/lang/lang_values.h
@@ -9,7 +9,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include "lang/lang_tag.h"
 
-enum LangKey : int;
 enum lngtag_count : int;
 
 namespace Lang {
@@ -20,8 +19,8 @@ inline constexpr auto kPluralCount = 6;
 template <typename Tag>
 inline constexpr ushort TagValue();
 
-QString Current(LangKey key);
-rpl::producer<QString> Viewer(LangKey key);
+QString Current(ushort key);
+rpl::producer<QString> Viewer(ushort key);
 
 template <int Index, typename Type, typename Tuple>
 Type ReplaceUnwrapTuple(Type accumulated, const Tuple &tuple) {
@@ -76,7 +75,7 @@ struct Producer {
 		typename P,
 		typename T = decltype(std::declval<P>()(QString())),
 		typename ...Values>
-	static rpl::producer<T> Combine(LangKey base, P p, Values &...values) {
+	static rpl::producer<T> Combine(ushort base, P p, Values &...values) {
 		return rpl::combine(
 			Viewer(base),
 			std::move(values)...
@@ -89,7 +88,7 @@ struct Producer {
 		typename P,
 		typename T = decltype(std::declval<P>()(QString())),
 		typename ...Values>
-	static T Current(LangKey base, P p, const Values &...values) {
+	static T Current(ushort base, P p, const Values &...values) {
 		return ReplaceUnwrap<Tags...>::template Call(
 			p(Lang::details::Current(base)),
 			values...);
@@ -101,14 +100,14 @@ struct Producer<> {
 	template <
 		typename P,
 		typename T = decltype(std::declval<P>()(QString()))>
-	static rpl::producer<T> Combine(LangKey base, P p) {
+	static rpl::producer<T> Combine(ushort base, P p) {
 		return Viewer(base) | rpl::map(std::move(p));
 	}
 
 	template <
 		typename P,
 		typename T = decltype(std::declval<P>()(QString()))>
-	static T Current(LangKey base, P p) {
+	static T Current(ushort base, P p) {
 		return p(Lang::details::Current(base));
 	}
 };
@@ -120,18 +119,18 @@ struct Producer<lngtag_count, Tags...> {
 		typename T = decltype(std::declval<P>()(QString())),
 		typename ...Values>
 	static rpl::producer<T> Combine(
-			LangKey base,
+			ushort base,
 			P p,
 			lngtag_count type,
 			rpl::producer<float64> &count,
 			Values &...values) {
 		return rpl::combine(
 			Viewer(base),
-			Viewer(LangKey(base + 1)),
-			Viewer(LangKey(base + 2)),
-			Viewer(LangKey(base + 3)),
-			Viewer(LangKey(base + 4)),
-			Viewer(LangKey(base + 5)),
+			Viewer(base + 1),
+			Viewer(base + 2),
+			Viewer(base + 3),
+			Viewer(base + 4),
+			Viewer(base + 5),
 			std::move(count),
 			std::move(values)...
 		) | rpl::map([base, type, p = std::move(p)](auto tuple) {
@@ -163,7 +162,7 @@ struct Producer<lngtag_count, Tags...> {
 		typename T = decltype(std::declval<P>()(QString())),
 		typename ...Values>
 		static T Current(
-			LangKey base,
+			ushort base,
 			P p,
 			lngtag_count type,
 			float64 count,
@@ -171,7 +170,7 @@ struct Producer<lngtag_count, Tags...> {
 		auto plural = Plural(base, count, type);
 		return ReplaceUnwrap<Tags...>::template Call(
 			ReplaceTag<T>::Call(
-				p(Lang::details::Current(LangKey(base + plural.keyShift))),
+				p(Lang::details::Current(base + plural.keyShift)),
 				TagValue<lngtag_count>(),
 				StartReplacements<T>::Call(
 					std::move(plural.replacement))),