diff --git a/Telegram/SourceFiles/api/api_authorizations.cpp b/Telegram/SourceFiles/api/api_authorizations.cpp
index a360d8e787..143166b78a 100644
--- a/Telegram/SourceFiles/api/api_authorizations.cpp
+++ b/Telegram/SourceFiles/api/api_authorizations.cpp
@@ -194,7 +194,7 @@ void Authorizations::updateTTL(int days) {
 	_api.request(_ttlRequestId).cancel();
 	_ttlRequestId = _api.request(MTPaccount_SetAuthorizationTTL(
 		MTP_int(days)
-	)).done([=](const MTPBool &result) {
+	)).done([=] {
 		_ttlRequestId = 0;
 	}).fail([=] {
 		_ttlRequestId = 0;
@@ -216,7 +216,7 @@ void Authorizations::toggleCallsDisabled(uint64 hash, bool disabled) {
 		MTP_long(hash),
 		MTPBool(), // encrypted_requests_disabled
 		MTP_bool(disabled)
-	)).done([=](const MTPBool &) {
+	)).done([=] {
 		_toggleCallsDisabledRequests.remove(hash);
 	}).fail([=] {
 		_toggleCallsDisabledRequests.remove(hash);
diff --git a/Telegram/SourceFiles/api/api_blocked_peers.cpp b/Telegram/SourceFiles/api/api_blocked_peers.cpp
index 56ec63062a..c28b9c37f2 100644
--- a/Telegram/SourceFiles/api/api_blocked_peers.cpp
+++ b/Telegram/SourceFiles/api/api_blocked_peers.cpp
@@ -80,7 +80,7 @@ void BlockedPeers::block(not_null<PeerData*> peer) {
 	} else if (_blockRequests.find(peer) == end(_blockRequests)) {
 		const auto requestId = _api.request(MTPcontacts_Block(
 			peer->input
-		)).done([=](const MTPBool &result) {
+		)).done([=] {
 			_blockRequests.erase(peer);
 			peer->setIsBlocked(true);
 			if (_slice) {
@@ -109,7 +109,7 @@ void BlockedPeers::unblock(not_null<PeerData*> peer, Fn<void()> onDone) {
 	}
 	const auto requestId = _api.request(MTPcontacts_Unblock(
 		peer->input
-	)).done([=](const MTPBool &result) {
+	)).done([=] {
 		_blockRequests.erase(peer);
 		peer->setIsBlocked(false);
 		if (_slice) {
diff --git a/Telegram/SourceFiles/api/api_confirm_phone.cpp b/Telegram/SourceFiles/api/api_confirm_phone.cpp
index 559f16136f..0db1920217 100644
--- a/Telegram/SourceFiles/api/api_confirm_phone.cpp
+++ b/Telegram/SourceFiles/api/api_confirm_phone.cpp
@@ -83,7 +83,7 @@ void ConfirmPhone::resolve(
 				_checkRequestId = _api.request(MTPaccount_ConfirmPhone(
 					MTP_string(phoneHash),
 					MTP_string(code)
-				)).done([=](const MTPBool &result) {
+				)).done([=] {
 					_checkRequestId = 0;
 					controller->show(
 						Box<Ui::InformBox>(
diff --git a/Telegram/SourceFiles/api/api_invite_links.cpp b/Telegram/SourceFiles/api/api_invite_links.cpp
index 8206c6bb4c..3aad8c14e5 100644
--- a/Telegram/SourceFiles/api/api_invite_links.cpp
+++ b/Telegram/SourceFiles/api/api_invite_links.cpp
@@ -363,7 +363,7 @@ void InviteLinks::destroy(
 	_api->request(MTPmessages_DeleteExportedChatInvite(
 		peer->input,
 		MTP_string(link)
-	)).done([=](const MTPBool &result) {
+	)).done([=] {
 		const auto callbacks = _deleteCallbacks.take(key);
 		if (callbacks) {
 			for (const auto &callback : *callbacks) {
@@ -398,7 +398,7 @@ void InviteLinks::destroyAllRevoked(
 	_api->request(MTPmessages_DeleteRevokedExportedChatInvites(
 		peer->input,
 		admin->inputUser
-	)).done([=](const MTPBool &result) {
+	)).done([=] {
 		if (const auto callbacks = _deleteRevokedCallbacks.take(peer)) {
 			for (const auto &callback : *callbacks) {
 				callback();
diff --git a/Telegram/SourceFiles/api/api_self_destruct.cpp b/Telegram/SourceFiles/api/api_self_destruct.cpp
index 6247f3037e..fb8497637e 100644
--- a/Telegram/SourceFiles/api/api_self_destruct.cpp
+++ b/Telegram/SourceFiles/api/api_self_destruct.cpp
@@ -40,7 +40,7 @@ void SelfDestruct::update(int days) {
 	_api.request(_requestId).cancel();
 	_requestId = _api.request(MTPaccount_SetAccountTTL(
 		MTP_accountDaysTTL(MTP_int(days))
-	)).done([=](const MTPBool &result) {
+	)).done([=] {
 		_requestId = 0;
 	}).fail([=] {
 		_requestId = 0;
diff --git a/Telegram/SourceFiles/api/api_sensitive_content.cpp b/Telegram/SourceFiles/api/api_sensitive_content.cpp
index d12084dbe0..e2d3e49edd 100644
--- a/Telegram/SourceFiles/api/api_sensitive_content.cpp
+++ b/Telegram/SourceFiles/api/api_sensitive_content.cpp
@@ -61,7 +61,7 @@ void SensitiveContent::update(bool enabled) {
 	_api.request(_requestId).cancel();
 	_requestId = _api.request(MTPaccount_SetContentSettings(
 		MTP_flags(enabled ? Flag::f_sensitive_enabled : Flag(0))
-	)).done([=](const MTPBool &result) {
+	)).done([=] {
 		_requestId = 0;
 	}).fail([=] {
 		_requestId = 0;
diff --git a/Telegram/SourceFiles/api/api_updates.cpp b/Telegram/SourceFiles/api/api_updates.cpp
index aa764490b7..fb97541c21 100644
--- a/Telegram/SourceFiles/api/api_updates.cpp
+++ b/Telegram/SourceFiles/api/api_updates.cpp
@@ -919,7 +919,7 @@ void Updates::updateOnline(crl::time lastNonIdleTime, bool gotOtherOffline) {
 		} else {
 			_onlineRequest = api().request(MTPaccount_UpdateStatus(
 				MTP_bool(!isOnline)
-			)).done([=](const MTPBool &result) {
+			)).done([=] {
 				Core::App().quitPreventFinished();
 			}).fail([=] {
 				Core::App().quitPreventFinished();
diff --git a/Telegram/SourceFiles/apiwrap.cpp b/Telegram/SourceFiles/apiwrap.cpp
index b7567a5a42..cf4c75129f 100644
--- a/Telegram/SourceFiles/apiwrap.cpp
+++ b/Telegram/SourceFiles/apiwrap.cpp
@@ -333,7 +333,7 @@ void ApiWrap::requestTermsUpdate() {
 void ApiWrap::acceptTerms(bytes::const_span id) {
 	request(MTPhelp_AcceptTermsOfService(
 		MTP_dataJSON(MTP_bytes(id))
-	)).done([=](const MTPBool &result) {
+	)).done([=] {
 		requestTermsUpdate();
 	}).send();
 }
@@ -1478,7 +1478,7 @@ void ApiWrap::saveStickerSets(
 		reorderRequestId() = request(MTPmessages_ReorderStickerSets(
 			MTP_flags(flags),
 			MTP_vector<MTPlong>(mtpOrder)
-		)).done([=](const MTPBool &result) {
+		)).done([=] {
 			reorderRequestId() = 0;
 		}).fail([=] {
 			reorderRequestId() = 0;
@@ -1551,11 +1551,7 @@ void ApiWrap::saveStickerSets(
 			};
 			requestId = request(MTPmessages_ClearRecentStickers(
 				MTP_flags(flags)
-			)).done([=](const MTPBool &result) {
-				finish();
-			}).fail([=] {
-				finish();
-			}).send();
+			)).done(finish).fail(finish).send();
 			continue;
 		}
 
@@ -2799,7 +2795,7 @@ void ApiWrap::readFeaturedSets() {
 	if (!wrappedIds.empty()) {
 		auto requestData = MTPmessages_ReadFeaturedStickers(
 			MTP_vector<MTPlong>(wrappedIds));
-		request(std::move(requestData)).done([=](const MTPBool &result) {
+		request(std::move(requestData)).done([=] {
 			local().writeFeaturedStickers();
 			_session->data().stickers().notifyUpdated();
 		}).send();
@@ -4056,7 +4052,7 @@ void ApiWrap::saveContactSignupSilent(bool silent) {
 
 	const auto requestId = request(MTPaccount_SetContactSignUpNotification(
 		MTP_bool(silent)
-	)).done([=](const MTPBool &) {
+	)).done([=] {
 		_contactSignupSilentRequestId = 0;
 		_contactSignupSilent = silent;
 		_contactSignupSilentChanges.fire_copy(silent);
diff --git a/Telegram/SourceFiles/boxes/add_contact_box.cpp b/Telegram/SourceFiles/boxes/add_contact_box.cpp
index 09d4df8ab7..611df771c1 100644
--- a/Telegram/SourceFiles/boxes/add_contact_box.cpp
+++ b/Telegram/SourceFiles/boxes/add_contact_box.cpp
@@ -1112,7 +1112,7 @@ void SetupChannelBox::save() {
 		_saveRequestId = _api.request(MTPchannels_UpdateUsername(
 			_channel->inputChannel,
 			MTP_string(_sentUsername)
-		)).done([=](const MTPBool &result) {
+		)).done([=] {
 			_channel->setName(
 				TextUtilities::SingleLine(_channel->name),
 				_sentUsername);
@@ -1604,7 +1604,7 @@ void RevokePublicLinkBox::Inner::mouseReleaseEvent(QMouseEvent *e) {
 			_revokeRequestId = _api.request(MTPchannels_UpdateUsername(
 				pressed->asChannel()->inputChannel,
 				MTP_string()
-			)).done([=, close = std::move(close)](const MTPBool &result) {
+			)).done([=, close = std::move(close)] {
 				close();
 				if (const auto callback = _revokeCallback) {
 					callback();
diff --git a/Telegram/SourceFiles/boxes/passcode_box.cpp b/Telegram/SourceFiles/boxes/passcode_box.cpp
index 5d8ab1f287..46a9385fe4 100644
--- a/Telegram/SourceFiles/boxes/passcode_box.cpp
+++ b/Telegram/SourceFiles/boxes/passcode_box.cpp
@@ -546,7 +546,7 @@ void PasscodeBox::validateEmail(
 		}
 		_setRequest = _api.request(MTPaccount_ConfirmPasswordEmail(
 			MTP_string(code)
-		)).done([=](const MTPBool &result) {
+		)).done([=] {
 			*set = true;
 			setPasswordDone(newPasswordBytes);
 		}).fail([=](const MTP::Error &error) {
@@ -575,7 +575,7 @@ void PasscodeBox::validateEmail(
 			return;
 		}
 		_setRequest = _api.request(MTPaccount_ResendPasswordEmail(
-		)).done([=](const MTPBool &result) {
+		)).done([=] {
 			_setRequest = 0;
 			resent->fire(tr::lng_cloud_password_resent(tr::now));
 		}).fail([=] {
@@ -830,7 +830,7 @@ void PasscodeBox::sendClearCloudPassword(
 			MTP_string(hint),
 			MTP_string(email),
 			MTPSecureSecretSettings())
-	)).done([=](const MTPBool &result) {
+	)).done([=] {
 		setPasswordDone({});
 	}).fail([=](const MTP::Error &error) mutable {
 		setPasswordFail({}, QString(), error);
@@ -865,7 +865,7 @@ void PasscodeBox::setNewCloudPassword(const QString &newPassword) {
 		_setRequest = _api.request(MTPaccount_UpdatePasswordSettings(
 			MTP_inputCheckPasswordEmpty(),
 			settings
-		)).done([=](const MTPBool &result) {
+		)).done([=] {
 			setPasswordDone(newPasswordBytes);
 		}).fail([=](const MTP::Error &error) {
 			setPasswordFail(newPasswordBytes, email, error);
@@ -972,7 +972,7 @@ void PasscodeBox::resetSecret(
 				MTP_securePasswordKdfAlgoUnknown(), // secure_algo
 				MTP_bytes(), // secure_secret
 				MTP_long(0))) // secure_secret_id
-	)).done([=](const MTPBool &result) {
+	)).done([=] {
 		_setRequest = 0;
 		callback();
 		checkPasswordHash([=](const Core::CloudPasswordResult &check) {
@@ -1026,7 +1026,7 @@ void PasscodeBox::sendChangeCloudPassword(
 				Core::PrepareSecureSecretAlgo(_cloudFields.newSecureSecretAlgo),
 				MTP_bytes(newSecureSecret),
 				MTP_long(newSecureSecretId)))
-	)).done([=](const MTPBool &result) {
+	)).done([=] {
 		setPasswordDone(newPasswordBytes);
 	}).fail([=](const MTP::Error &error) {
 		setPasswordFail(newPasswordBytes, QString(), error);
@@ -1257,7 +1257,7 @@ void RecoverBox::submit() {
 			// From "Change cloud password".
 			_submitRequest = _api.request(MTPauth_CheckRecoveryPassword(
 				MTP_string(code)
-			)).done([=](const MTPBool &result) {
+			)).done([=] {
 				proceedToChange(code);
 			}).fail([=](const MTP::Error &error) {
 				checkSubmitFail(error);
@@ -1378,7 +1378,7 @@ RecoveryEmailValidation ConfirmRecoveryEmail(
 		}
 		*requestId = session->api().request(MTPaccount_ConfirmPasswordEmail(
 			MTP_string(code)
-		)).done([=](const MTPBool &result) {
+		)).done([=] {
 			*requestId = 0;
 			reloads->fire({});
 			if (*weak) {
@@ -1412,7 +1412,7 @@ RecoveryEmailValidation ConfirmRecoveryEmail(
 			return;
 		}
 		*requestId = session->api().request(MTPaccount_ResendPasswordEmail(
-		)).done([=](const MTPBool &result) {
+		)).done([=] {
 			*requestId = 0;
 			resent->fire(tr::lng_cloud_password_resent(tr::now));
 		}).fail([=] {
diff --git a/Telegram/SourceFiles/boxes/peers/edit_participants_box.cpp b/Telegram/SourceFiles/boxes/peers/edit_participants_box.cpp
index ad09dde7d2..cd0c9df29a 100644
--- a/Telegram/SourceFiles/boxes/peers/edit_participants_box.cpp
+++ b/Telegram/SourceFiles/boxes/peers/edit_participants_box.cpp
@@ -101,7 +101,7 @@ void SaveChatAdmin(
 		chat->inputChat,
 		user->inputUser,
 		MTP_bool(isAdmin)
-	)).done([=](const MTPBool &result) {
+	)).done([=] {
 		chat->applyEditAdmin(user, isAdmin);
 		if (onDone) {
 			onDone();
diff --git a/Telegram/SourceFiles/boxes/peers/edit_peer_info_box.cpp b/Telegram/SourceFiles/boxes/peers/edit_peer_info_box.cpp
index 84fae3ba86..c9fca8adfa 100644
--- a/Telegram/SourceFiles/boxes/peers/edit_peer_info_box.cpp
+++ b/Telegram/SourceFiles/boxes/peers/edit_peer_info_box.cpp
@@ -1303,7 +1303,7 @@ void Controller::saveUsername() {
 	_api.request(MTPchannels_UpdateUsername(
 		channel->inputChannel,
 		MTP_string(*_savingData.username)
-	)).done([=](const MTPBool &result) {
+	)).done([=] {
 		channel->setName(
 			TextUtilities::SingleLine(channel->name),
 			*_savingData.username);
@@ -1358,7 +1358,7 @@ void Controller::saveLinkedChat() {
 	_api.request(MTPchannels_SetDiscussionGroup(
 		(channel->isBroadcast() ? channel->inputChannel : input),
 		(channel->isBroadcast() ? input : channel->inputChannel)
-	)).done([=](const MTPBool &result) {
+	)).done([=] {
 		channel->setLinkedChat(*_savingData.linkedChat);
 		continueSave();
 	}).fail([=] {
@@ -1425,7 +1425,7 @@ void Controller::saveDescription() {
 	_api.request(MTPmessages_EditChatAbout(
 		_peer->input,
 		MTP_string(*_savingData.description)
-	)).done([=](const MTPBool &result) {
+	)).done([=] {
 		successCallback();
 	}).fail([=](const MTP::Error &error) {
 		const auto &type = error.type();
diff --git a/Telegram/SourceFiles/calls/calls_call.cpp b/Telegram/SourceFiles/calls/calls_call.cpp
index a592d2e646..fde79072e3 100644
--- a/Telegram/SourceFiles/calls/calls_call.cpp
+++ b/Telegram/SourceFiles/calls/calls_call.cpp
@@ -286,7 +286,7 @@ void Call::startIncoming() {
 
 	_api.request(MTPphone_ReceivedCall(
 		MTP_inputPhoneCall(MTP_long(_id), MTP_long(_accessHash))
-	)).done([=](const MTPBool &result) {
+	)).done([=] {
 		if (_state.current() == State::Starting) {
 			setState(State::WaitingIncoming);
 		}
diff --git a/Telegram/SourceFiles/data/data_histories.cpp b/Telegram/SourceFiles/data/data_histories.cpp
index cafcd577a5..b6c1f2a26c 100644
--- a/Telegram/SourceFiles/data/data_histories.cpp
+++ b/Telegram/SourceFiles/data/data_histories.cpp
@@ -553,11 +553,7 @@ void Histories::sendReadRequest(not_null<History*> history, State &state) {
 			return session().api().request(MTPchannels_ReadHistory(
 				channel->inputChannel,
 				MTP_int(tillId)
-			)).done([=](const MTPBool &result) {
-				finished();
-			}).fail([=] {
-				finished();
-			}).send();
+			)).done(finished).fail(finished).send();
 		} else {
 			return session().api().request(MTPmessages_ReadHistory(
 				history->peer->input,
@@ -648,15 +644,11 @@ void Histories::deleteAllMessages(
 			return session().api().request(MTPchannels_DeleteHistory(
 				channel->inputChannel,
 				MTP_int(deleteTillId)
-			)).done([=](const MTPBool &result) {
-				finish();
-			}).fail(finish).send();
+			)).done(finish).fail(finish).send();
 		} else if (revoke && chat && chat->amCreator()) {
 			return session().api().request(MTPmessages_DeleteChat(
 				chat->inputChat
-			)).done([=](const MTPBool &result) {
-				finish();
-			}).fail([=](const MTP::Error &error) {
+			)).done(finish).fail([=](const MTP::Error &error) {
 				if (error.type() == "PEER_ID_INVALID") {
 					// Try to join and delete,
 					// while delete fails for non-joined.
diff --git a/Telegram/SourceFiles/history/view/history_view_context_menu.cpp b/Telegram/SourceFiles/history/view/history_view_context_menu.cpp
index cb918c0eec..94656658dc 100644
--- a/Telegram/SourceFiles/history/view/history_view_context_menu.cpp
+++ b/Telegram/SourceFiles/history/view/history_view_context_menu.cpp
@@ -1122,7 +1122,7 @@ void SendReport(
 			peer->input,
 			apiReason,
 			MTP_string(comment)
-		)).done([=](const MTPBool &result) {
+		)).done([=] {
 			Ui::Toast::Show(tr::lng_report_thanks(tr::now));
 		}).send();
 	} else {
@@ -1136,7 +1136,7 @@ void SendReport(
 			MTP_vector<MTPint>(apiIds),
 			apiReason,
 			MTP_string(comment)
-		)).done([=](const MTPBool &result) {
+		)).done([=] {
 			Ui::Toast::Show(tr::lng_report_thanks(tr::now));
 		}).send();
 	}
diff --git a/Telegram/SourceFiles/history/view/history_view_replies_section.cpp b/Telegram/SourceFiles/history/view/history_view_replies_section.cpp
index bee37c0e4f..454403c41d 100644
--- a/Telegram/SourceFiles/history/view/history_view_replies_section.cpp
+++ b/Telegram/SourceFiles/history/view/history_view_replies_section.cpp
@@ -353,7 +353,7 @@ void RepliesWidget::sendReadTillRequest() {
 		_root->history()->peer->input,
 		MTP_int(_root->id),
 		MTP_int(_root->computeRepliesInboxReadTillFull())
-	)).done(crl::guard(this, [=](const MTPBool &) {
+	)).done(crl::guard(this, [=] {
 		_readRequestId = 0;
 		reloadUnreadCountIfNeeded();
 	})).send();
diff --git a/Telegram/SourceFiles/intro/intro_widget.cpp b/Telegram/SourceFiles/intro/intro_widget.cpp
index aa3ad25a96..82d33af463 100644
--- a/Telegram/SourceFiles/intro/intro_widget.cpp
+++ b/Telegram/SourceFiles/intro/intro_widget.cpp
@@ -493,7 +493,7 @@ void Widget::resetAccount() {
 		}
 		_resetRequest = _api->request(MTPaccount_DeleteAccount(
 			MTP_string("Forgot password")
-		)).done([=](const MTPBool &result) {
+		)).done([=] {
 			_resetRequest = 0;
 
 			Ui::hideLayer();
diff --git a/Telegram/SourceFiles/passport/passport_form_controller.cpp b/Telegram/SourceFiles/passport/passport_form_controller.cpp
index 887927553c..9df983fa9c 100644
--- a/Telegram/SourceFiles/passport/passport_form_controller.cpp
+++ b/Telegram/SourceFiles/passport/passport_form_controller.cpp
@@ -747,7 +747,7 @@ std::vector<not_null<const Value*>> FormController::submitGetErrors() {
 			MTP_bytes(credentialsEncryptedData.bytes),
 			MTP_bytes(credentialsEncryptedData.hash),
 			MTP_bytes(credentialsEncryptedSecret))
-	)).done([=](const MTPBool &result) {
+	)).done([=] {
 		_submitRequestId = 0;
 		_submitSuccess = true;
 
@@ -1035,7 +1035,7 @@ void FormController::cancelPassword() {
 		return;
 	}
 	_passwordRequestId = _api.request(MTPaccount_CancelPasswordEmail(
-	)).done([=](const MTPBool &result) {
+	)).done([=] {
 		_passwordRequestId = 0;
 		reloadPassword();
 	}).fail([=] {
@@ -1115,7 +1115,7 @@ void FormController::resetSecret(
 				MTP_securePasswordKdfAlgoUnknown(), // secure_algo
 				MTP_bytes(), // secure_secret
 				MTP_long(0))) // secure_secret_id
-	)).done([=](const MTPBool &result) {
+	)).done([=] {
 		_saveSecretRequestId = 0;
 		generateSecret(password);
 	}).fail([=](const MTP::Error &error) {
@@ -1941,7 +1941,7 @@ void FormController::deleteValueEdit(not_null<const Value*> value) {
 	const auto nonconst = findValue(value);
 	nonconst->saveRequestId = _api.request(MTPaccount_DeleteSecureValue(
 		MTP_vector<MTPSecureValueType>(1, ConvertType(nonconst->type))
-	)).done([=](const MTPBool &result) {
+	)).done([=] {
 		resetValue(*nonconst);
 		_valueSaveFinished.fire_copy(value);
 	}).fail([=](const MTP::Error &error) {
@@ -2297,7 +2297,7 @@ void FormController::saveSecret(
 				Core::PrepareSecureSecretAlgo(_password.newSecureAlgo),
 				MTP_bytes(encryptedSecret),
 				MTP_long(saved.secretId)))
-	)).done([=](const MTPBool &result) {
+	)).done([=] {
 		session().data().rememberPassportCredentials(
 			std::move(saved),
 			kRememberCredentialsDelay);
diff --git a/Telegram/SourceFiles/window/window_peer_menu.cpp b/Telegram/SourceFiles/window/window_peer_menu.cpp
index b329eab3c7..13fa456862 100644
--- a/Telegram/SourceFiles/window/window_peer_menu.cpp
+++ b/Telegram/SourceFiles/window/window_peer_menu.cpp
@@ -215,7 +215,7 @@ void TogglePinnedDialog(
 		history->session().api().request(MTPmessages_ToggleDialogPin(
 			MTP_flags(flags),
 			MTP_inputDialogPeer(key.history()->peer->input)
-		)).done([=](const MTPBool &result) {
+		)).done([=] {
 			owner->notifyPinnedDialogsOrderUpdated();
 		}).send();
 	} else if (const auto folder = key.folder()) {