Removed mojang

Signed-off-by: Trial97 <alexandru.tripon97@gmail.com>

27 files changed, 5 insertions, 1276 deletions

diff --git a/launcher/CMakeLists.txt b/launcher/CMakeLists.txt
index 18e0acab..de750afd 100644
--- a/launcher/CMakeLists.txt
+++ b/launcher/CMakeLists.txt
@@ -216,13 +216,9 @@ set(MINECRAFT_SOURCES
     minecraft/auth/MinecraftAccount.h
     minecraft/auth/Parsers.cpp
     minecraft/auth/Parsers.h
-    minecraft/auth/Yggdrasil.cpp
-    minecraft/auth/Yggdrasil.h
 
     minecraft/auth/flows/AuthFlow.cpp
     minecraft/auth/flows/AuthFlow.h
-    minecraft/auth/flows/Mojang.cpp
-    minecraft/auth/flows/Mojang.h
     minecraft/auth/flows/MSA.cpp
     minecraft/auth/flows/MSA.h
     minecraft/auth/flows/Offline.cpp
@@ -236,12 +232,8 @@ set(MINECRAFT_SOURCES
     minecraft/auth/steps/GetSkinStep.h
     minecraft/auth/steps/LauncherLoginStep.cpp
     minecraft/auth/steps/LauncherLoginStep.h
-    minecraft/auth/steps/MigrationEligibilityStep.cpp
-    minecraft/auth/steps/MigrationEligibilityStep.h
     minecraft/auth/steps/MinecraftProfileStep.cpp
     minecraft/auth/steps/MinecraftProfileStep.h
-    minecraft/auth/steps/MinecraftProfileStepMojang.cpp
-    minecraft/auth/steps/MinecraftProfileStepMojang.h
     minecraft/auth/steps/MSAStep.cpp
     minecraft/auth/steps/MSAStep.h
     minecraft/auth/steps/XboxAuthorizationStep.cpp
@@ -250,8 +242,6 @@ set(MINECRAFT_SOURCES
     minecraft/auth/steps/XboxProfileStep.h
     minecraft/auth/steps/XboxUserStep.cpp
     minecraft/auth/steps/XboxUserStep.h
-    minecraft/auth/steps/YggdrasilStep.cpp
-    minecraft/auth/steps/YggdrasilStep.h
 
     minecraft/gameoptions/GameOptions.h
     minecraft/gameoptions/GameOptions.cpp
@@ -944,8 +934,6 @@ SET(LAUNCHER_SOURCES
     ui/dialogs/IconPickerDialog.h
     ui/dialogs/ImportResourceDialog.cpp
     ui/dialogs/ImportResourceDialog.h
-    ui/dialogs/LoginDialog.cpp
-    ui/dialogs/LoginDialog.h
     ui/dialogs/MSALoginDialog.cpp
     ui/dialogs/MSALoginDialog.h
     ui/dialogs/OfflineLoginDialog.cpp
@@ -1104,7 +1092,6 @@ qt_wrap_ui(LAUNCHER_UI
     ui/dialogs/MSALoginDialog.ui
     ui/dialogs/OfflineLoginDialog.ui
     ui/dialogs/AboutDialog.ui
-    ui/dialogs/LoginDialog.ui
     ui/dialogs/EditAccountDialog.ui
     ui/dialogs/ReviewMessageBox.ui
     ui/dialogs/ScrollMessageBox.ui
diff --git a/launcher/minecraft/MinecraftInstance.cpp b/launcher/minecraft/MinecraftInstance.cpp
index 0e64c46d..57bbcd40 100644
--- a/launcher/minecraft/MinecraftInstance.cpp
+++ b/launcher/minecraft/MinecraftInstance.cpp
@@ -856,9 +856,6 @@ QMap<QString, QString> MinecraftInstance::createCensorFilterFromSession(AuthSess
     if (sessionRef.access_token != "0") {
         addToFilter(sessionRef.access_token, tr("<ACCESS TOKEN>"));
     }
-    if (sessionRef.client_token.size()) {
-        addToFilter(sessionRef.client_token, tr("<CLIENT TOKEN>"));
-    }
     addToFilter(sessionRef.uuid, tr("<PROFILE ID>"));
 
     return filter;
diff --git a/launcher/minecraft/auth/AccountData.cpp b/launcher/minecraft/auth/AccountData.cpp
index 474bf7c6..e1f1e9b1 100644
--- a/launcher/minecraft/auth/AccountData.cpp
+++ b/launcher/minecraft/auth/AccountData.cpp
@@ -278,67 +278,6 @@ bool entitlementFromJSONV3(const QJsonObject& parent, MinecraftEntitlement& out)
 
 }  // namespace
 
-bool AccountData::resumeStateFromV2(QJsonObject data)
-{
-    // The JSON object must at least have a username for it to be valid.
-    if (!data.value("username").isString()) {
-        qCritical() << "Can't load Mojang account info from JSON object. Username field is missing or of the wrong type.";
-        return false;
-    }
-
-    QString userName = data.value("username").toString("");
-    QString clientToken = data.value("clientToken").toString("");
-    QString accessToken = data.value("accessToken").toString("");
-
-    QJsonArray profileArray = data.value("profiles").toArray();
-    if (profileArray.size() < 1) {
-        qCritical() << "Can't load Mojang account with username \"" << userName << "\". No profiles found.";
-        return false;
-    }
-
-    struct AccountProfile {
-        QString id;
-        QString name;
-        bool legacy;
-    };
-
-    QList<AccountProfile> profiles;
-    int currentProfileIndex = 0;
-    int index = -1;
-    QString currentProfile = data.value("activeProfile").toString("");
-    for (QJsonValue profileVal : profileArray) {
-        index++;
-        QJsonObject profileObject = profileVal.toObject();
-        QString id = profileObject.value("id").toString("");
-        QString name = profileObject.value("name").toString("");
-        bool legacy_ = profileObject.value("legacy").toBool(false);
-        if (id.isEmpty() || name.isEmpty()) {
-            qWarning() << "Unable to load a profile" << name << "because it was missing an ID or a name.";
-            continue;
-        }
-        if (id == currentProfile) {
-            currentProfileIndex = index;
-        }
-        profiles.append({ id, name, legacy_ });
-    }
-    auto& profile = profiles[currentProfileIndex];
-
-    type = AccountType::Mojang;
-    legacy = profile.legacy;
-
-    minecraftProfile.id = profile.id;
-    minecraftProfile.name = profile.name;
-    minecraftProfile.validity = Katabasis::Validity::Assumed;
-
-    yggdrasilToken.token = accessToken;
-    yggdrasilToken.extra["clientToken"] = clientToken;
-    yggdrasilToken.extra["userName"] = userName;
-    yggdrasilToken.validity = Katabasis::Validity::Assumed;
-
-    validity_ = minecraftProfile.validity;
-    return true;
-}
-
 bool AccountData::resumeStateFromV3(QJsonObject data)
 {
     auto typeV = data.value("type");
@@ -349,8 +288,6 @@ bool AccountData::resumeStateFromV3(QJsonObject data)
     auto typeS = typeV.toString();
     if (typeS == "MSA") {
         type = AccountType::MSA;
-    } else if (typeS == "Mojang") {
-        type = AccountType::Mojang;
     } else if (typeS == "Offline") {
         type = AccountType::Offline;
     } else {
@@ -358,11 +295,6 @@ bool AccountData::resumeStateFromV3(QJsonObject data)
         return false;
     }
 
-    if (type == AccountType::Mojang) {
-        legacy = data.value("legacy").toBool(false);
-        canMigrateToMSA = data.value("canMigrateToMSA").toBool(false);
-    }
-
     if (type == AccountType::MSA) {
         auto clientIDV = data.value("msa-client-id");
         if (clientIDV.isString()) {
@@ -395,15 +327,7 @@ bool AccountData::resumeStateFromV3(QJsonObject data)
 QJsonObject AccountData::saveState() const
 {
     QJsonObject output;
-    if (type == AccountType::Mojang) {
-        output["type"] = "Mojang";
-        if (legacy) {
-            output["legacy"] = true;
-        }
-        if (canMigrateToMSA) {
-            output["canMigrateToMSA"] = true;
-        }
-    } else if (type == AccountType::MSA) {
+    if (type == AccountType::MSA) {
         output["type"] = "MSA";
         output["msa-client-id"] = msaClientID;
         tokenToJSONV3(output, msaToken, "msa");
@@ -420,51 +344,11 @@ QJsonObject AccountData::saveState() const
     return output;
 }
 
-QString AccountData::userName() const
-{
-    if (type == AccountType::MSA) {
-        return QString();
-    }
-    return yggdrasilToken.extra["userName"].toString();
-}
-
 QString AccountData::accessToken() const
 {
     return yggdrasilToken.token;
 }
 
-QString AccountData::clientToken() const
-{
-    if (type != AccountType::Mojang) {
-        return QString();
-    }
-    return yggdrasilToken.extra["clientToken"].toString();
-}
-
-void AccountData::setClientToken(QString clientToken)
-{
-    if (type != AccountType::Mojang) {
-        return;
-    }
-    yggdrasilToken.extra["clientToken"] = clientToken;
-}
-
-void AccountData::generateClientTokenIfMissing()
-{
-    if (yggdrasilToken.extra.contains("clientToken")) {
-        return;
-    }
-    invalidateClientToken();
-}
-
-void AccountData::invalidateClientToken()
-{
-    if (type != AccountType::Mojang) {
-        return;
-    }
-    yggdrasilToken.extra["clientToken"] = QUuid::createUuid().toString().remove(QRegularExpression("[{-}]"));
-}
-
 QString AccountData::profileId() const
 {
     return minecraftProfile.id;
@@ -482,9 +366,6 @@ QString AccountData::profileName() const
 QString AccountData::accountDisplayString() const
 {
     switch (type) {
-        case AccountType::Mojang: {
-            return userName();
-        }
         case AccountType::Offline: {
             return QObject::tr("<Offline>");
         }
diff --git a/launcher/minecraft/auth/AccountData.h b/launcher/minecraft/auth/AccountData.h
index 9b626c34..bac77e17 100644
--- a/launcher/minecraft/auth/AccountData.h
+++ b/launcher/minecraft/auth/AccountData.h
@@ -71,27 +71,17 @@ struct MinecraftProfile {
     Katabasis::Validity validity = Katabasis::Validity::None;
 };
 
-enum class AccountType { MSA, Mojang, Offline };
+enum class AccountType { MSA, Offline };
 
 enum class AccountState { Unchecked, Offline, Working, Online, Disabled, Errored, Expired, Gone };
 
 struct AccountData {
     QJsonObject saveState() const;
-    bool resumeStateFromV2(QJsonObject data);
     bool resumeStateFromV3(QJsonObject data);
 
     //! userName for Mojang accounts, gamertag for MSA
     QString accountDisplayString() const;
 
-    //! Only valid for Mojang accounts. MSA does not preserve this information
-    QString userName() const;
-
-    //! Only valid for Mojang accounts.
-    QString clientToken() const;
-    void setClientToken(QString clientToken);
-    void invalidateClientToken();
-    void generateClientTokenIfMissing();
-
     //! Yggdrasil access token, as passed to the game.
     QString accessToken() const;
 
@@ -101,8 +91,6 @@ struct AccountData {
     QString lastError() const;
 
     AccountType type = AccountType::MSA;
-    bool legacy = false;
-    bool canMigrateToMSA = false;
 
     QString msaClientID;
     Katabasis::Token msaToken;
diff --git a/launcher/minecraft/auth/AccountList.cpp b/launcher/minecraft/auth/AccountList.cpp
index 84dbd841..a29de4ec 100644
--- a/launcher/minecraft/auth/AccountList.cpp
+++ b/launcher/minecraft/auth/AccountList.cpp
@@ -54,7 +54,7 @@
 
 #include <chrono>
 
-enum AccountListVersion { MojangOnly = 2, MojangMSA = 3 };
+enum AccountListVersion { MojangMSA = 3 };
 
 AccountList::AccountList(QObject* parent) : QAbstractListModel(parent)
 {
@@ -320,17 +320,6 @@ QVariant AccountList::data(const QModelIndex& index, int role) const
                     }
                 }
 
-                case MigrationColumn: {
-                    if (account->isMSA() || account->isOffline()) {
-                        return tr("N/A", "Can Migrate");
-                    }
-                    if (account->canMigrate()) {
-                        return tr("Yes", "Can Migrate");
-                    } else {
-                        return tr("No", "Can Migrate");
-                    }
-                }
-
                 default:
                     return QVariant();
             }
@@ -366,8 +355,6 @@ QVariant AccountList::headerData(int section, [[maybe_unused]] Qt::Orientation o
                     return tr("Type");
                 case StatusColumn:
                     return tr("Status");
-                case MigrationColumn:
-                    return tr("Can Migrate?");
                 default:
                     return QVariant();
             }
@@ -382,8 +369,6 @@ QVariant AccountList::headerData(int section, [[maybe_unused]] Qt::Orientation o
                     return tr("Type of the account - Mojang or MSA.");
                 case StatusColumn:
                     return tr("Current status of the account.");
-                case MigrationColumn:
-                    return tr("Can this account migrate to a Microsoft account?");
                 default:
                     return QVariant();
             }
@@ -473,9 +458,6 @@ bool AccountList::loadList()
     // Make sure the format version matches.
     auto listVersion = root.value("formatVersion").toVariant().toInt();
     switch (listVersion) {
-        case AccountListVersion::MojangOnly: {
-            return loadV2(root);
-        } break;
         case AccountListVersion::MojangMSA: {
             return loadV3(root);
         } break;
@@ -489,36 +471,6 @@ bool AccountList::loadList()
     }
 }
 
-bool AccountList::loadV2(QJsonObject& root)
-{
-    beginResetModel();
-    auto defaultUserName = root.value("activeAccount").toString("");
-    QJsonArray accounts = root.value("accounts").toArray();
-    for (QJsonValue accountVal : accounts) {
-        QJsonObject accountObj = accountVal.toObject();
-        MinecraftAccountPtr account = MinecraftAccount::loadFromJsonV2(accountObj);
-        if (account.get() != nullptr) {
-            auto profileId = account->profileId();
-            if (!profileId.size()) {
-                continue;
-            }
-            if (findAccountByProfileId(profileId) != -1) {
-                continue;
-            }
-            connect(account.get(), &MinecraftAccount::changed, this, &AccountList::accountChanged);
-            connect(account.get(), &MinecraftAccount::activityChanged, this, &AccountList::accountActivityChanged);
-            m_accounts.append(account);
-            if (defaultUserName.size() && account->mojangUserName() == defaultUserName) {
-                m_defaultAccount = account;
-            }
-        } else {
-            qWarning() << "Failed to load an account.";
-        }
-    }
-    endResetModel();
-    return true;
-}
-
 bool AccountList::loadV3(QJsonObject& root)
 {
     beginResetModel();
diff --git a/launcher/minecraft/auth/AccountList.h b/launcher/minecraft/auth/AccountList.h
index 6a0b0191..051d8f95 100644
--- a/launcher/minecraft/auth/AccountList.h
+++ b/launcher/minecraft/auth/AccountList.h
@@ -55,7 +55,6 @@ class AccountList : public QAbstractListModel {
         // TODO: Add icon column.
         ProfileNameColumn = 0,
         NameColumn,
-        MigrationColumn,
         TypeColumn,
         StatusColumn,
 
@@ -97,7 +96,6 @@ class AccountList : public QAbstractListModel {
     void setListFilePath(QString path, bool autosave = false);
 
     bool loadList();
-    bool loadV2(QJsonObject& root);
     bool loadV3(QJsonObject& root);
     bool saveList();
 
diff --git a/launcher/minecraft/auth/AuthSession.h b/launcher/minecraft/auth/AuthSession.h
index 40519476..074b2d6e 100644
--- a/launcher/minecraft/auth/AuthSession.h
+++ b/launcher/minecraft/auth/AuthSession.h
@@ -24,10 +24,6 @@ struct AuthSession {
         GoneOrMigrated
     } status = Undetermined;
 
-    // client token
-    QString client_token;
-    // account user name
-    QString username;
     // combined session ID
     QString session;
     // volatile auth token
diff --git a/launcher/minecraft/auth/MinecraftAccount.cpp b/launcher/minecraft/auth/MinecraftAccount.cpp
index 6c2f0805..545d06ae 100644
--- a/launcher/minecraft/auth/MinecraftAccount.cpp
+++ b/launcher/minecraft/auth/MinecraftAccount.cpp
@@ -51,7 +51,6 @@
 #include <QPainter>
 
 #include "flows/MSA.h"
-#include "flows/Mojang.h"
 #include "flows/Offline.h"
 
 MinecraftAccount::MinecraftAccount(QObject* parent) : QObject(parent)
@@ -59,15 +58,6 @@ MinecraftAccount::MinecraftAccount(QObject* parent) : QObject(parent)
     data.internalId = QUuid::createUuid().toString().remove(QRegularExpression("[{}-]"));
 }
 
-MinecraftAccountPtr MinecraftAccount::loadFromJsonV2(const QJsonObject& json)
-{
-    MinecraftAccountPtr account(new MinecraftAccount());
-    if (account->data.resumeStateFromV2(json)) {
-        return account;
-    }
-    return nullptr;
-}
-
 MinecraftAccountPtr MinecraftAccount::loadFromJsonV3(const QJsonObject& json)
 {
     MinecraftAccountPtr account(new MinecraftAccount());
@@ -77,15 +67,6 @@ MinecraftAccountPtr MinecraftAccount::loadFromJsonV3(const QJsonObject& json)
     return nullptr;
 }
 
-MinecraftAccountPtr MinecraftAccount::createFromUsername(const QString& username)
-{
-    auto account = makeShared<MinecraftAccount>();
-    account->data.type = AccountType::Mojang;
-    account->data.yggdrasilToken.extra["userName"] = username;
-    account->data.yggdrasilToken.extra["clientToken"] = QUuid::createUuid().toString().remove(QRegularExpression("[{}-]"));
-    return account;
-}
-
 MinecraftAccountPtr MinecraftAccount::createBlankMSA()
 {
     MinecraftAccountPtr account(new MinecraftAccount());
@@ -138,18 +119,6 @@ QPixmap MinecraftAccount::getFace() const
     return skin.scaled(64, 64, Qt::KeepAspectRatio);
 }
 
-shared_qobject_ptr<AccountTask> MinecraftAccount::login(QString password)
-{
-    Q_ASSERT(m_currentTask.get() == nullptr);
-
-    m_currentTask.reset(new MojangLogin(&data, password));
-    connect(m_currentTask.get(), &Task::succeeded, this, &MinecraftAccount::authSucceeded);
-    connect(m_currentTask.get(), &Task::failed, this, &MinecraftAccount::authFailed);
-    connect(m_currentTask.get(), &Task::aborted, this, [this] { authFailed(tr("Aborted")); });
-    emit activityChanged(true);
-    return m_currentTask;
-}
-
 shared_qobject_ptr<AccountTask> MinecraftAccount::loginMSA()
 {
     Q_ASSERT(m_currentTask.get() == nullptr);
@@ -182,10 +151,8 @@ shared_qobject_ptr<AccountTask> MinecraftAccount::refresh()
 
     if (data.type == AccountType::MSA) {
         m_currentTask.reset(new MSASilent(&data));
-    } else if (data.type == AccountType::Offline) {
-        m_currentTask.reset(new OfflineRefresh(&data));
     } else {
-        m_currentTask.reset(new MojangRefresh(&data));
+        m_currentTask.reset(new OfflineRefresh(&data));
     }
 
     connect(m_currentTask.get(), &Task::succeeded, this, &MinecraftAccount::authSucceeded);
@@ -296,13 +263,8 @@ void MinecraftAccount::fillSession(AuthSessionPtr session)
         }
     }
 
-    // the user name. you have to have an user name
-    // FIXME: not with MSA
-    session->username = data.userName();
     // volatile auth token
     session->access_token = data.accessToken();
-    // the semi-permanent client token
-    session->client_token = data.clientToken();
     // profile name
     session->player_name = data.profileName();
     // profile ID
diff --git a/launcher/minecraft/auth/MinecraftAccount.h b/launcher/minecraft/auth/MinecraftAccount.h
index f04f947f..910f4a28 100644
--- a/launcher/minecraft/auth/MinecraftAccount.h
+++ b/launcher/minecraft/auth/MinecraftAccount.h
@@ -85,13 +85,10 @@ class MinecraftAccount : public QObject, public Usable {
     //! Default constructor
     explicit MinecraftAccount(QObject* parent = 0);
 
-    static MinecraftAccountPtr createFromUsername(const QString& username);
-
     static MinecraftAccountPtr createBlankMSA();
 
     static MinecraftAccountPtr createOffline(const QString& username);
 
-    static MinecraftAccountPtr loadFromJsonV2(const QJsonObject& json);
     static MinecraftAccountPtr loadFromJsonV3(const QJsonObject& json);
 
     static QUuid uuidFromUsername(QString username);
@@ -100,12 +97,6 @@ class MinecraftAccount : public QObject, public Usable {
     QJsonObject saveToJson() const;
 
    public: /* manipulation */
-    /**
-     * Attempt to login. Empty password means we use the token.
-     * If the attempt fails because we already are performing some task, it returns false.
-     */
-    shared_qobject_ptr<AccountTask> login(QString password);
-
     shared_qobject_ptr<AccountTask> loginMSA();
 
     shared_qobject_ptr<AccountTask> loginOffline();
@@ -119,8 +110,6 @@ class MinecraftAccount : public QObject, public Usable {
 
     QString accountDisplayString() const { return data.accountDisplayString(); }
 
-    QString mojangUserName() const { return data.userName(); }
-
     QString accessToken() const { return data.accessToken(); }
 
     QString profileId() const { return data.profileId(); }
@@ -129,8 +118,6 @@ class MinecraftAccount : public QObject, public Usable {
 
     bool isActive() const;
 
-    bool canMigrate() const { return data.canMigrateToMSA; }
-
     bool isMSA() const { return data.type == AccountType::MSA; }
 
     bool isOffline() const { return data.type == AccountType::Offline; }
@@ -142,12 +129,6 @@ class MinecraftAccount : public QObject, public Usable {
     QString typeString() const
     {
         switch (data.type) {
-            case AccountType::Mojang: {
-                if (data.legacy) {
-                    return "legacy";
-                }
-                return "mojang";
-            } break;
             case AccountType::MSA: {
                 return "msa";
             } break;
diff --git a/launcher/minecraft/auth/Yggdrasil.cpp b/launcher/minecraft/auth/Yggdrasil.cpp
deleted file mode 100644
index 97f2a78d..00000000
--- a/launcher/minecraft/auth/Yggdrasil.cpp
+++ /dev/null
@@ -1,342 +0,0 @@
-/* Copyright 2013-2021 MultiMC Contributors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "Yggdrasil.h"
-#include "AccountData.h"
-
-#include <QByteArray>
-#include <QJsonDocument>
-#include <QJsonObject>
-#include <QNetworkReply>
-#include <QObject>
-#include <QString>
-
-#include <QDebug>
-
-#include "Application.h"
-
-Yggdrasil::Yggdrasil(AccountData* data, QObject* parent) : AccountTask(data, parent)
-{
-    changeState(AccountTaskState::STATE_CREATED);
-}
-
-void Yggdrasil::sendRequest(QUrl endpoint, QByteArray content)
-{
-    changeState(AccountTaskState::STATE_WORKING);
-
-    QNetworkRequest netRequest(endpoint);
-    netRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
-    m_netReply = APPLICATION->network()->post(netRequest, content);
-    connect(m_netReply, &QNetworkReply::finished, this, &Yggdrasil::processReply);
-    connect(m_netReply, &QNetworkReply::uploadProgress, this, &Yggdrasil::refreshTimers);
-    connect(m_netReply, &QNetworkReply::downloadProgress, this, &Yggdrasil::refreshTimers);
-    connect(m_netReply, &QNetworkReply::sslErrors, this, &Yggdrasil::sslErrors);
-    timeout_keeper.setSingleShot(true);
-    timeout_keeper.start(timeout_max);
-    counter.setSingleShot(false);
-    counter.start(time_step);
-    progress(0, timeout_max);
-    connect(&timeout_keeper, &QTimer::timeout, this, &Yggdrasil::abortByTimeout);
-    connect(&counter, &QTimer::timeout, this, &Yggdrasil::heartbeat);
-}
-
-void Yggdrasil::executeTask() {}
-
-void Yggdrasil::refresh()
-{
-    start();
-    /*
-     * {
-     *  "clientToken": "client identifier"
-     *  "accessToken": "current access token to be refreshed"
-     *  "selectedProfile":                      // specifying this causes errors
-     *  {
-     *   "id": "profile ID"
-     *   "name": "profile name"
-     *  }
-     *  "requestUser": true/false               // request the user structure
-     * }
-     */
-    QJsonObject req;
-    req.insert("clientToken", m_data->clientToken());
-    req.insert("accessToken", m_data->accessToken());
-    /*
-    {
-        auto currentProfile = m_account->currentProfile();
-        QJsonObject profile;
-        profile.insert("id", currentProfile->id());
-        profile.insert("name", currentProfile->name());
-        req.insert("selectedProfile", profile);
-    }
-    */
-    req.insert("requestUser", false);
-    QJsonDocument doc(req);
-
-    QUrl reqUrl("https://authserver.mojang.com/refresh");
-    QByteArray requestData = doc.toJson();
-
-    sendRequest(reqUrl, requestData);
-}
-
-void Yggdrasil::login(QString password)
-{
-    start();
-    /*
-     * {
-     *   "agent": {                              // optional
-     *   "name": "Minecraft",                    // So far this is the only encountered value
-     *   "version": 1                            // This number might be increased
-     *                                           // by the vanilla client in the future
-     *   },
-     *   "username": "mojang account name",      // Can be an email address or player name for
-     *                                           // unmigrated accounts
-     *   "password": "mojang account password",
-     *   "clientToken": "client identifier",     // optional
-     *   "requestUser": true/false               // request the user structure
-     * }
-     */
-    QJsonObject req;
-
-    {
-        QJsonObject agent;
-        // C++ makes string literals void* for some stupid reason, so we have to tell it
-        // QString... Thanks Obama.
-        agent.insert("name", QString("Minecraft"));
-        agent.insert("version", 1);
-        req.insert("agent", agent);
-    }
-
-    req.insert("username", m_data->userName());
-    req.insert("password", password);
-    req.insert("requestUser", false);
-
-    // If we already have a client token, give it to the server.
-    // Otherwise, let the server give us one.
-
-    m_data->generateClientTokenIfMissing();
-    req.insert("clientToken", m_data->clientToken());
-
-    QJsonDocument doc(req);
-
-    QUrl reqUrl("https://authserver.mojang.com/authenticate");
-    QNetworkRequest netRequest(reqUrl);
-    QByteArray requestData = doc.toJson();
-
-    sendRequest(reqUrl, requestData);
-}
-
-void Yggdrasil::refreshTimers(qint64, qint64)
-{
-    timeout_keeper.stop();
-    timeout_keeper.start(timeout_max);
-    progress(count = 0, timeout_max);
-}
-
-void Yggdrasil::heartbeat()
-{
-    count += time_step;
-    progress(count, timeout_max);
-}
-
-bool Yggdrasil::abort()
-{
-    progress(timeout_max, timeout_max);
-    // TODO: actually use this in a meaningful way
-    m_aborted = Yggdrasil::BY_USER;
-    m_netReply->abort();
-    return true;
-}
-
-void Yggdrasil::abortByTimeout()
-{
-    progress(timeout_max, timeout_max);
-    // TODO: actually use this in a meaningful way
-    m_aborted = Yggdrasil::BY_TIMEOUT;
-    m_netReply->abort();
-}
-
-void Yggdrasil::sslErrors(QList<QSslError> errors)
-{
-    int i = 1;
-    for (auto error : errors) {
-        qCritical() << "LOGIN SSL Error #" << i << " : " << error.errorString();
-        auto cert = error.certificate();
-        qCritical() << "Certificate in question:\n" << cert.toText();
-        i++;
-    }
-}
-
-void Yggdrasil::processResponse(QJsonObject responseData)
-{
-    // Read the response data. We need to get the client token, access token, and the selected
-    // profile.
-    qDebug() << "Processing authentication response.";
-
-    // qDebug() << responseData;
-    // If we already have a client token, make sure the one the server gave us matches our
-    // existing one.
-    QString clientToken = responseData.value("clientToken").toString("");
-    if (clientToken.isEmpty()) {
-        // Fail if the server gave us an empty client token
-        changeState(AccountTaskState::STATE_FAILED_HARD, tr("Authentication server didn't send a client token."));
-        return;
-    }
-    if (m_data->clientToken().isEmpty()) {
-        m_data->setClientToken(clientToken);
-    } else if (clientToken != m_data->clientToken()) {
-        changeState(AccountTaskState::STATE_FAILED_HARD,
-                    tr("Authentication server attempted to change the client token. This isn't supported."));
-        return;
-    }
-
-    // Now, we set the access token.
-    qDebug() << "Getting access token.";
-    QString accessToken = responseData.value("accessToken").toString("");
-    if (accessToken.isEmpty()) {
-        // Fail if the server didn't give us an access token.
-        changeState(AccountTaskState::STATE_FAILED_HARD, tr("Authentication server didn't send an access token."));
-        return;
-    }
-    // Set the access token.
-    m_data->yggdrasilToken.token = accessToken;
-    m_data->yggdrasilToken.validity = Katabasis::Validity::Certain;
-    m_data->yggdrasilToken.issueInstant = QDateTime::currentDateTimeUtc();
-
-    // Get UUID here since we need it for later
-    auto profile = responseData.value("selectedProfile");
-    if (!profile.isObject()) {
-        changeState(AccountTaskState::STATE_FAILED_HARD, tr("Authentication server didn't send a selected profile."));
-        return;
-    }
-
-    auto profileObj = profile.toObject();
-    for (auto i = profileObj.constBegin(); i != profileObj.constEnd(); ++i) {
-        if (i.key() == "name" && i.value().isString()) {
-            m_data->minecraftProfile.name = i->toString();
-        } else if (i.key() == "id" && i.value().isString()) {
-            m_data->minecraftProfile.id = i->toString();
-        }
-    }
-
-    if (m_data->minecraftProfile.id.isEmpty()) {
-        changeState(AccountTaskState::STATE_FAILED_HARD, tr("Authentication server didn't send a UUID in selected profile."));
-        return;
-    }
-
-    // We've made it through the minefield of possible errors. Return true to indicate that
-    // we've succeeded.
-    qDebug() << "Finished reading authentication response.";
-    changeState(AccountTaskState::STATE_SUCCEEDED);
-}
-
-void Yggdrasil::processReply()
-{
-    changeState(AccountTaskState::STATE_WORKING);
-
-    switch (m_netReply->error()) {
-        case QNetworkReply::NoError:
-            break;
-        case QNetworkReply::TimeoutError:
-            changeState(AccountTaskState::STATE_FAILED_SOFT, tr("Authentication operation timed out."));
-            return;
-        case QNetworkReply::OperationCanceledError:
-            changeState(AccountTaskState::STATE_FAILED_SOFT, tr("Authentication operation cancelled."));
-            return;
-        case QNetworkReply::SslHandshakeFailedError:
-            changeState(AccountTaskState::STATE_FAILED_SOFT,
-                        tr("<b>SSL Handshake failed.</b><br/>There might be a few causes for it:<br/>"
-                           "<ul>"
-                           "<li>You use Windows and need to update your root certificates, please install any outstanding updates.</li>"
-                           "<li>Some device on your network is interfering with SSL traffic. In that case, "
-                           "you have bigger worries than Minecraft not starting.</li>"
-                           "<li>Possibly something else. Check the log file for details</li>"
-                           "</ul>"));
-            return;
-        // used for invalid credentials and similar errors. Fall through.
-        case QNetworkReply::ContentAccessDenied:
-        case QNetworkReply::ContentOperationNotPermittedError:
-            break;
-        case QNetworkReply::ContentGoneError: {
-            changeState(AccountTaskState::STATE_FAILED_GONE,
-                        tr("The Mojang account no longer exists. It may have been migrated to a Microsoft account."));
-            return;
-        }
-        default:
-            changeState(AccountTaskState::STATE_FAILED_SOFT, tr("Authentication operation failed due to a network error: %1 (%2)")
-                                                                 .arg(m_netReply->errorString())
-                                                                 .arg(m_netReply->error()));
-            return;
-    }
-
-    // Try to parse the response regardless of the response code.
-    // Sometimes the auth server will give more information and an error code.
-    QJsonParseError jsonError;
-    QByteArray replyData = m_netReply->readAll();
-    QJsonDocument doc = QJsonDocument::fromJson(replyData, &jsonError);
-    // Check the response code.
-    int responseCode = m_netReply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
-
-    if (responseCode == 200) {
-        // If the response code was 200, then there shouldn't be an error. Make sure
-        // anyways.
-        // Also, sometimes an empty reply indicates success. If there was no data received,
-        // pass an empty json object to the processResponse function.
-        if (jsonError.error == QJsonParseError::NoError || replyData.size() == 0) {
-            processResponse(replyData.size() > 0 ? doc.object() : QJsonObject());
-            return;
-        } else {
-            changeState(AccountTaskState::STATE_FAILED_SOFT,
-                        tr("Failed to parse authentication server response JSON response: %1 at offset %2.")
-                            .arg(jsonError.errorString())
-                            .arg(jsonError.offset));
-            qCritical() << replyData;
-        }
-        return;
-    }
-
-    // If the response code was not 200, then Yggdrasil may have given us information
-    // about the error.
-    // If we can parse the response, then get information from it. Otherwise just say
-    // there was an unknown error.
-    if (jsonError.error == QJsonParseError::NoError) {
-        // We were able to parse the server's response. Woo!
-        // Call processError. If a subclass has overridden it then they'll handle their
-        // stuff there.
-        qDebug() << "The request failed, but the server gave us an error message. Processing error.";
-        processError(doc.object());
-    } else {
-        // The server didn't say anything regarding the error. Give the user an unknown
-        // error.
-        qDebug() << "The request failed and the server gave no error message. Unknown error.";
-        changeState(
-            AccountTaskState::STATE_FAILED_SOFT,
-            tr("An unknown error occurred when trying to communicate with the authentication server: %1").arg(m_netReply->errorString()));
-    }
-}
-
-void Yggdrasil::processError(QJsonObject responseData)
-{
-    QJsonValue errorVal = responseData.value("error");
-    QJsonValue errorMessageValue = responseData.value("errorMessage");
-    QJsonValue causeVal = responseData.value("cause");
-
-    if (errorVal.isString() && errorMessageValue.isString()) {
-        m_error = std::shared_ptr<Error>(new Error{ errorVal.toString(""), errorMessageValue.toString(""), causeVal.toString("") });
-        changeState(AccountTaskState::STATE_FAILED_HARD, m_error->m_errorMessageVerbose);
-    } else {
-        // Error is not in standard format. Don't set m_error and return unknown error.
-        changeState(AccountTaskState::STATE_FAILED_HARD, tr("An unknown Yggdrasil error occurred."));
-    }
-}
diff --git a/launcher/minecraft/auth/Yggdrasil.h b/launcher/minecraft/auth/Yggdrasil.h
deleted file mode 100644
index 560d7fb8..00000000
--- a/launcher/minecraft/auth/Yggdrasil.h
+++ /dev/null
@@ -1,92 +0,0 @@
-/* Copyright 2013-2021 MultiMC Contributors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include "AccountTask.h"
-
-#include <qsslerror.h>
-#include <QJsonObject>
-#include <QString>
-#include <QTimer>
-
-#include "MinecraftAccount.h"
-
-class QNetworkAccessManager;
-class QNetworkReply;
-
-/**
- * A Yggdrasil task is a task that performs an operation on a given mojang account.
- */
-class Yggdrasil : public AccountTask {
-    Q_OBJECT
-   public:
-    explicit Yggdrasil(AccountData* data, QObject* parent = 0);
-    virtual ~Yggdrasil() = default;
-
-    void refresh();
-    void login(QString password);
-
-    struct Error {
-        QString m_errorMessageShort;
-        QString m_errorMessageVerbose;
-        QString m_cause;
-    };
-    std::shared_ptr<Error> m_error;
-
-    enum AbortedBy { BY_NOTHING, BY_USER, BY_TIMEOUT } m_aborted = BY_NOTHING;
-
-   protected:
-    void executeTask() override;
-
-    /**
-     * Processes the response received from the server.
-     * If an error occurred, this should emit a failed signal.
-     * If Yggdrasil gave an error response, it should call setError() first, and then return false.
-     * Otherwise, it should return true.
-     * Note: If the response from the server was blank, and the HTTP code was 200, this function is called with
-     * an empty QJsonObject.
-     */
-    void processResponse(QJsonObject responseData);
-
-    /**
-     * Processes an error response received from the server.
-     * The default implementation will read data from Yggdrasil's standard error response format and set it as this task's Error.
-     * \returns a QString error message that will be passed to emitFailed.
-     */
-    virtual void processError(QJsonObject responseData);
-
-   protected slots:
-    void processReply();
-    void refreshTimers(qint64, qint64);
-    void heartbeat();
-    void sslErrors(QList<QSslError>);
-    void abortByTimeout();
-
-   public slots:
-    virtual bool abort() override;
-
-   private:
-    void sendRequest(QUrl endpoint, QByteArray content);
-
-   protected:
-    QNetworkReply* m_netReply = nullptr;
-    QTimer timeout_keeper;
-    QTimer counter;
-    int count = 0;  // num msec since time reset
-
-    const int timeout_max = 30000;
-    const int time_step = 50;
-};
diff --git a/launcher/minecraft/auth/flows/AuthFlow.h b/launcher/minecraft/auth/flows/AuthFlow.h
index c2c412ab..e39e926d 100644
--- a/launcher/minecraft/auth/flows/AuthFlow.h
+++ b/launcher/minecraft/auth/flows/AuthFlow.h
@@ -12,7 +12,6 @@
 #include "minecraft/auth/AccountData.h"
 #include "minecraft/auth/AccountTask.h"
 #include "minecraft/auth/AuthStep.h"
-#include "minecraft/auth/Yggdrasil.h"
 
 class AuthFlow : public AccountTask {
     Q_OBJECT
diff --git a/launcher/minecraft/auth/flows/Mojang.cpp b/launcher/minecraft/auth/flows/Mojang.cpp
deleted file mode 100644
index 7e2db16f..00000000
--- a/launcher/minecraft/auth/flows/Mojang.cpp
+++ /dev/null
@@ -1,22 +0,0 @@
-#include "Mojang.h"
-
-#include "minecraft/auth/steps/GetSkinStep.h"
-#include "minecraft/auth/steps/MigrationEligibilityStep.h"
-#include "minecraft/auth/steps/MinecraftProfileStepMojang.h"
-#include "minecraft/auth/steps/YggdrasilStep.h"
-
-MojangRefresh::MojangRefresh(AccountData* data, QObject* parent) : AuthFlow(data, parent)
-{
-    m_steps.append(makeShared<YggdrasilStep>(m_data, QString()));
-    m_steps.append(makeShared<MinecraftProfileStepMojang>(m_data));
-    m_steps.append(makeShared<MigrationEligibilityStep>(m_data));
-    m_steps.append(makeShared<GetSkinStep>(m_data));
-}
-
-MojangLogin::MojangLogin(AccountData* data, QString password, QObject* parent) : AuthFlow(data, parent), m_password(password)
-{
-    m_steps.append(makeShared<YggdrasilStep>(m_data, m_password));
-    m_steps.append(makeShared<MinecraftProfileStepMojang>(m_data));
-    m_steps.append(makeShared<MigrationEligibilityStep>(m_data));
-    m_steps.append(makeShared<GetSkinStep>(m_data));
-}
diff --git a/launcher/minecraft/auth/flows/Mojang.h b/launcher/minecraft/auth/flows/Mojang.h
deleted file mode 100644
index 779ca7e3..00000000
--- a/launcher/minecraft/auth/flows/Mojang.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#pragma once
-#include "AuthFlow.h"
-
-class MojangRefresh : public AuthFlow {
-    Q_OBJECT
-   public:
-    explicit MojangRefresh(AccountData* data, QObject* parent = 0);
-};
-
-class MojangLogin : public AuthFlow {
-    Q_OBJECT
-   public:
-    explicit MojangLogin(AccountData* data, QString password, QObject* parent = 0);
-
-   private:
-    QString m_password;
-};
diff --git a/launcher/minecraft/auth/steps/MigrationEligibilityStep.cpp b/launcher/minecraft/auth/steps/MigrationEligibilityStep.cpp
deleted file mode 100644
index 5ce953df..00000000
--- a/launcher/minecraft/auth/steps/MigrationEligibilityStep.cpp
+++ /dev/null
@@ -1,45 +0,0 @@
-#include "MigrationEligibilityStep.h"
-
-#include <QNetworkRequest>
-
-#include "minecraft/auth/AuthRequest.h"
-#include "minecraft/auth/Parsers.h"
-
-MigrationEligibilityStep::MigrationEligibilityStep(AccountData* data) : AuthStep(data) {}
-
-MigrationEligibilityStep::~MigrationEligibilityStep() noexcept = default;
-
-QString MigrationEligibilityStep::describe()
-{
-    return tr("Checking for migration eligibility.");
-}
-
-void MigrationEligibilityStep::perform()
-{
-    auto url = QUrl("https://api.minecraftservices.com/rollout/v1/msamigration");
-    QNetworkRequest request = QNetworkRequest(url);
-    request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
-    request.setRawHeader("Authorization", QString("Bearer %1").arg(m_data->yggdrasilToken.token).toUtf8());
-
-    AuthRequest* requestor = new AuthRequest(this);
-    connect(requestor, &AuthRequest::finished, this, &MigrationEligibilityStep::onRequestDone);
-    requestor->get(request);
-}
-
-void MigrationEligibilityStep::rehydrate()
-{
-    // NOOP, for now. We only save bools and there's nothing to check.
-}
-
-void MigrationEligibilityStep::onRequestDone(QNetworkReply::NetworkError error,
-                                             QByteArray data,
-                                             QList<QNetworkReply::RawHeaderPair> headers)
-{
-    auto requestor = qobject_cast<AuthRequest*>(QObject::sender());
-    requestor->deleteLater();
-
-    if (error == QNetworkReply::NoError) {
-        Parsers::parseRolloutResponse(data, m_data->canMigrateToMSA);
-    }
-    emit finished(AccountTaskState::STATE_WORKING, tr("Got migration flags"));
-}
diff --git a/launcher/minecraft/auth/steps/MigrationEligibilityStep.h b/launcher/minecraft/auth/steps/MigrationEligibilityStep.h
deleted file mode 100644
index 8638975d..00000000
--- a/launcher/minecraft/auth/steps/MigrationEligibilityStep.h
+++ /dev/null
@@ -1,21 +0,0 @@
-#pragma once
-#include <QObject>
-
-#include "QObjectPtr.h"
-#include "minecraft/auth/AuthStep.h"
-
-class MigrationEligibilityStep : public AuthStep {
-    Q_OBJECT
-
-   public:
-    explicit MigrationEligibilityStep(AccountData* data);
-    virtual ~MigrationEligibilityStep() noexcept;
-
-    void perform() override;
-    void rehydrate() override;
-
-    QString describe() override;
-
-   private slots:
-    void onRequestDone(QNetworkReply::NetworkError, QByteArray, QList<QNetworkReply::RawHeaderPair>);
-};
diff --git a/launcher/minecraft/auth/steps/MinecraftProfileStep.cpp b/launcher/minecraft/auth/steps/MinecraftProfileStep.cpp
index 7cdce23f..a854342b 100644
--- a/launcher/minecraft/auth/steps/MinecraftProfileStep.cpp
+++ b/launcher/minecraft/auth/steps/MinecraftProfileStep.cpp
@@ -41,10 +41,6 @@ void MinecraftProfileStep::onRequestDone(QNetworkReply::NetworkError error, QByt
     qCDebug(authCredentials()) << data;
     if (error == QNetworkReply::ContentNotFoundError) {
         // NOTE: Succeed even if we do not have a profile. This is a valid account state.
-        if (m_data->type == AccountType::Mojang) {
-            m_data->minecraftEntitlement.canPlayMinecraft = false;
-            m_data->minecraftEntitlement.ownsMinecraft = false;
-        }
         m_data->minecraftProfile = MinecraftProfile();
         emit finished(AccountTaskState::STATE_SUCCEEDED, tr("Account has no Minecraft profile."));
         return;
@@ -73,10 +69,5 @@ void MinecraftProfileStep::onRequestDone(QNetworkReply::NetworkError error, QByt
         return;
     }
 
-    if (m_data->type == AccountType::Mojang) {
-        auto validProfile = m_data->minecraftProfile.validity == Katabasis::Validity::Certain;
-        m_data->minecraftEntitlement.canPlayMinecraft = validProfile;
-        m_data->minecraftEntitlement.ownsMinecraft = validProfile;
-    }
     emit finished(AccountTaskState::STATE_WORKING, tr("Minecraft Java profile acquisition succeeded."));
 }
diff --git a/launcher/minecraft/auth/steps/MinecraftProfileStepMojang.cpp b/launcher/minecraft/auth/steps/MinecraftProfileStepMojang.cpp
deleted file mode 100644
index d035e39a..00000000
--- a/launcher/minecraft/auth/steps/MinecraftProfileStepMojang.cpp
+++ /dev/null
@@ -1,87 +0,0 @@
-#include "MinecraftProfileStepMojang.h"
-
-#include <QNetworkRequest>
-
-#include "Logging.h"
-#include "minecraft/auth/AuthRequest.h"
-#include "minecraft/auth/Parsers.h"
-#include "net/NetUtils.h"
-
-MinecraftProfileStepMojang::MinecraftProfileStepMojang(AccountData* data) : AuthStep(data) {}
-
-MinecraftProfileStepMojang::~MinecraftProfileStepMojang() noexcept = default;
-
-QString MinecraftProfileStepMojang::describe()
-{
-    return tr("Fetching the Minecraft profile.");
-}
-
-void MinecraftProfileStepMojang::perform()
-{
-    if (m_data->minecraftProfile.id.isEmpty()) {
-        emit finished(AccountTaskState::STATE_FAILED_HARD, tr("A UUID is required to get the profile."));
-        return;
-    }
-
-    // use session server instead of profile due to profile endpoint being locked for locked Mojang accounts
-    QUrl url = QUrl("https://sessionserver.mojang.com/session/minecraft/profile/" + m_data->minecraftProfile.id);
-    QNetworkRequest req = QNetworkRequest(url);
-    AuthRequest* request = new AuthRequest(this);
-    connect(request, &AuthRequest::finished, this, &MinecraftProfileStepMojang::onRequestDone);
-    request->get(req);
-}
-
-void MinecraftProfileStepMojang::rehydrate()
-{
-    // NOOP, for now. We only save bools and there's nothing to check.
-}
-
-void MinecraftProfileStepMojang::onRequestDone(QNetworkReply::NetworkError error,
-                                               QByteArray data,
-                                               QList<QNetworkReply::RawHeaderPair> headers)
-{
-    auto requestor = qobject_cast<AuthRequest*>(QObject::sender());
-    requestor->deleteLater();
-
-    qCDebug(authCredentials()) << data;
-    if (error == QNetworkReply::ContentNotFoundError) {
-        // NOTE: Succeed even if we do not have a profile. This is a valid account state.
-        if (m_data->type == AccountType::Mojang) {
-            m_data->minecraftEntitlement.canPlayMinecraft = false;
-            m_data->minecraftEntitlement.ownsMinecraft = false;
-        }
-        m_data->minecraftProfile = MinecraftProfile();
-        emit finished(AccountTaskState::STATE_SUCCEEDED, tr("Account has no Minecraft profile."));
-        return;
-    }
-    if (error != QNetworkReply::NoError) {
-        qWarning() << "Error getting profile:";
-        qWarning() << " HTTP Status:        " << requestor->httpStatus_;
-        qWarning() << " Internal error no.: " << error;
-        qWarning() << " Error string:       " << requestor->errorString_;
-
-        qWarning() << " Response:";
-        qWarning() << QString::fromUtf8(data);
-
-        if (Net::isApplicationError(error)) {
-            emit finished(AccountTaskState::STATE_FAILED_SOFT,
-                          tr("Minecraft Java profile acquisition failed: %1").arg(requestor->errorString_));
-        } else {
-            emit finished(AccountTaskState::STATE_OFFLINE,
-                          tr("Minecraft Java profile acquisition failed: %1").arg(requestor->errorString_));
-        }
-        return;
-    }
-    if (!Parsers::parseMinecraftProfileMojang(data, m_data->minecraftProfile)) {
-        m_data->minecraftProfile = MinecraftProfile();
-        emit finished(AccountTaskState::STATE_FAILED_SOFT, tr("Minecraft Java profile response could not be parsed"));
-        return;
-    }
-
-    if (m_data->type == AccountType::Mojang) {
-        auto validProfile = m_data->minecraftProfile.validity == Katabasis::Validity::Certain;
-        m_data->minecraftEntitlement.canPlayMinecraft = validProfile;
-        m_data->minecraftEntitlement.ownsMinecraft = validProfile;
-    }
-    emit finished(AccountTaskState::STATE_WORKING, tr("Minecraft Java profile acquisition succeeded."));
-}
diff --git a/launcher/minecraft/auth/steps/MinecraftProfileStepMojang.h b/launcher/minecraft/auth/steps/MinecraftProfileStepMojang.h
deleted file mode 100644
index 730ec3f6..00000000
--- a/launcher/minecraft/auth/steps/MinecraftProfileStepMojang.h
+++ /dev/null
@@ -1,21 +0,0 @@
-#pragma once
-#include <QObject>
-
-#include "QObjectPtr.h"
-#include "minecraft/auth/AuthStep.h"
-
-class MinecraftProfileStepMojang : public AuthStep {
-    Q_OBJECT
-
-   public:
-    explicit MinecraftProfileStepMojang(AccountData* data);
-    virtual ~MinecraftProfileStepMojang() noexcept;
-
-    void perform() override;
-    void rehydrate() override;
-
-    QString describe() override;
-
-   private slots:
-    void onRequestDone(QNetworkReply::NetworkError, QByteArray, QList<QNetworkReply::RawHeaderPair>);
-};
diff --git a/launcher/minecraft/auth/steps/YggdrasilStep.cpp b/launcher/minecraft/auth/steps/YggdrasilStep.cpp
deleted file mode 100644
index fdcaa0d6..00000000
--- a/launcher/minecraft/auth/steps/YggdrasilStep.cpp
+++ /dev/null
@@ -1,57 +0,0 @@
-#include "YggdrasilStep.h"
-
-#include "minecraft/auth/AuthRequest.h"
-#include "minecraft/auth/Parsers.h"
-#include "minecraft/auth/Yggdrasil.h"
-
-YggdrasilStep::YggdrasilStep(AccountData* data, QString password) : AuthStep(data), m_password(password)
-{
-    m_yggdrasil = new Yggdrasil(m_data, this);
-
-    connect(m_yggdrasil, &Task::failed, this, &YggdrasilStep::onAuthFailed);
-    connect(m_yggdrasil, &Task::succeeded, this, &YggdrasilStep::onAuthSucceeded);
-    connect(m_yggdrasil, &Task::aborted, this, &YggdrasilStep::onAuthFailed);
-}
-
-YggdrasilStep::~YggdrasilStep() noexcept = default;
-
-QString YggdrasilStep::describe()
-{
-    return tr("Logging in with Mojang account.");
-}
-
-void YggdrasilStep::rehydrate()
-{
-    // NOOP, for now.
-}
-
-void YggdrasilStep::perform()
-{
-    if (m_password.size()) {
-        m_yggdrasil->login(m_password);
-    } else {
-        m_yggdrasil->refresh();
-    }
-}
-
-void YggdrasilStep::onAuthSucceeded()
-{
-    emit finished(AccountTaskState::STATE_WORKING, tr("Logged in with Mojang"));
-}
-
-void YggdrasilStep::onAuthFailed()
-{
-    // TODO: hook these in again, expand to MSA
-    // m_error = m_yggdrasil->m_error;
-    // m_aborted = m_yggdrasil->m_aborted;
-
-    auto state = m_yggdrasil->taskState();
-    QString errorMessage = tr("Mojang user authentication failed.");
-
-    // NOTE: soft error in the first step means 'offline'
-    if (state == AccountTaskState::STATE_FAILED_SOFT) {
-        state = AccountTaskState::STATE_OFFLINE;
-        errorMessage = tr("Mojang user authentication ended with a network error.");
-    }
-    emit finished(state, errorMessage);
-}
diff --git a/launcher/minecraft/auth/steps/YggdrasilStep.h b/launcher/minecraft/auth/steps/YggdrasilStep.h
deleted file mode 100644
index ef31f34d..00000000
--- a/launcher/minecraft/auth/steps/YggdrasilStep.h
+++ /dev/null
@@ -1,28 +0,0 @@
-#pragma once
-#include <QObject>
-
-#include "QObjectPtr.h"
-#include "minecraft/auth/AuthStep.h"
-
-class Yggdrasil;
-
-class YggdrasilStep : public AuthStep {
-    Q_OBJECT
-
-   public:
-    explicit YggdrasilStep(AccountData* data, QString password);
-    virtual ~YggdrasilStep() noexcept;
-
-    void perform() override;
-    void rehydrate() override;
-
-    QString describe() override;
-
-   private slots:
-    void onAuthSucceeded();
-    void onAuthFailed();
-
-   private:
-    Yggdrasil* m_yggdrasil = nullptr;
-    QString m_password;
-};
diff --git a/launcher/ui/dialogs/LoginDialog.cpp b/launcher/ui/dialogs/LoginDialog.cpp
deleted file mode 100644
index 7296a13e..00000000
--- a/launcher/ui/dialogs/LoginDialog.cpp
+++ /dev/null
@@ -1,115 +0,0 @@
-/* Copyright 2013-2021 MultiMC Contributors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "LoginDialog.h"
-#include "ui_LoginDialog.h"
-
-#include "minecraft/auth/AccountTask.h"
-
-#include <QtWidgets/QPushButton>
-
-LoginDialog::LoginDialog(QWidget* parent) : QDialog(parent), ui(new Ui::LoginDialog)
-{
-    ui->setupUi(this);
-    ui->progressBar->setVisible(false);
-    ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(false);
-
-    connect(ui->buttonBox, &QDialogButtonBox::accepted, this, &QDialog::accept);
-    connect(ui->buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
-}
-
-LoginDialog::~LoginDialog()
-{
-    delete ui;
-}
-
-// Stage 1: User interaction
-void LoginDialog::accept()
-{
-    setUserInputsEnabled(false);
-    ui->progressBar->setVisible(true);
-
-    // Setup the login task and start it
-    m_account = MinecraftAccount::createFromUsername(ui->userTextBox->text());
-    m_loginTask = m_account->login(ui->passTextBox->text());
-    connect(m_loginTask.get(), &Task::failed, this, &LoginDialog::onTaskFailed);
-    connect(m_loginTask.get(), &Task::succeeded, this, &LoginDialog::onTaskSucceeded);
-    connect(m_loginTask.get(), &Task::status, this, &LoginDialog::onTaskStatus);
-    connect(m_loginTask.get(), &Task::progress, this, &LoginDialog::onTaskProgress);
-    m_loginTask->start();
-}
-
-void LoginDialog::setUserInputsEnabled(bool enable)
-{
-    ui->userTextBox->setEnabled(enable);
-    ui->passTextBox->setEnabled(enable);
-    ui->buttonBox->setEnabled(enable);
-}
-
-// Enable the OK button only when both textboxes contain something.
-void LoginDialog::on_userTextBox_textEdited(const QString& newText)
-{
-    ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(!newText.isEmpty() && !ui->passTextBox->text().isEmpty());
-}
-void LoginDialog::on_passTextBox_textEdited(const QString& newText)
-{
-    ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(!newText.isEmpty() && !ui->userTextBox->text().isEmpty());
-}
-
-void LoginDialog::onTaskFailed(const QString& reason)
-{
-    // Set message
-    auto lines = reason.split('\n');
-    QString processed;
-    for (auto line : lines) {
-        if (line.size()) {
-            processed += "<font color='red'>" + line + "</font><br />";
-        } else {
-            processed += "<br />";
-        }
-    }
-    ui->label->setText(processed);
-
-    // Re-enable user-interaction
-    setUserInputsEnabled(true);
-    ui->progressBar->setVisible(false);
-}
-
-void LoginDialog::onTaskSucceeded()
-{
-    QDialog::accept();
-}
-
-void LoginDialog::onTaskStatus(const QString& status)
-{
-    ui->label->setText(status);
-}
-
-void LoginDialog::onTaskProgress(qint64 current, qint64 total)
-{
-    ui->progressBar->setMaximum(total);
-    ui->progressBar->setValue(current);
-}
-
-// Public interface
-MinecraftAccountPtr LoginDialog::newAccount(QWidget* parent, QString msg)
-{
-    LoginDialog dlg(parent);
-    dlg.ui->label->setText(msg);
-    if (dlg.exec() == QDialog::Accepted) {
-        return dlg.m_account;
-    }
-    return nullptr;
-}
diff --git a/launcher/ui/dialogs/LoginDialog.h b/launcher/ui/dialogs/LoginDialog.h
deleted file mode 100644
index 601b5fa7..00000000
--- a/launcher/ui/dialogs/LoginDialog.h
+++ /dev/null
@@ -1,56 +0,0 @@
-/* Copyright 2013-2021 MultiMC Contributors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <QtCore/QEventLoop>
-#include <QtWidgets/QDialog>
-
-#include "minecraft/auth/MinecraftAccount.h"
-#include "tasks/Task.h"
-
-namespace Ui {
-class LoginDialog;
-}
-
-class LoginDialog : public QDialog {
-    Q_OBJECT
-
-   public:
-    ~LoginDialog();
-
-    static MinecraftAccountPtr newAccount(QWidget* parent, QString message);
-
-   private:
-    explicit LoginDialog(QWidget* parent = 0);
-
-    void setUserInputsEnabled(bool enable);
-
-   protected slots:
-    void accept();
-
-    void onTaskFailed(const QString& reason);
-    void onTaskSucceeded();
-    void onTaskStatus(const QString& status);
-    void onTaskProgress(qint64 current, qint64 total);
-
-    void on_userTextBox_textEdited(const QString& newText);
-    void on_passTextBox_textEdited(const QString& newText);
-
-   private:
-    Ui::LoginDialog* ui;
-    MinecraftAccountPtr m_account;
-    Task::Ptr m_loginTask;
-};
diff --git a/launcher/ui/dialogs/LoginDialog.ui b/launcher/ui/dialogs/LoginDialog.ui
deleted file mode 100644
index 8fa4a45d..00000000
--- a/launcher/ui/dialogs/LoginDialog.ui
+++ /dev/null
@@ -1,77 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<ui version="4.0">
- <class>LoginDialog</class>
- <widget class="QDialog" name="LoginDialog">
-  <property name="geometry">
-   <rect>
-    <x>0</x>
-    <y>0</y>
-    <width>421</width>
-    <height>198</height>
-   </rect>
-  </property>
-  <property name="sizePolicy">
-   <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
-    <horstretch>0</horstretch>
-    <verstretch>0</verstretch>
-   </sizepolicy>
-  </property>
-  <property name="windowTitle">
-   <string>Add Account</string>
-  </property>
-  <layout class="QVBoxLayout" name="verticalLayout">
-   <item>
-    <widget class="QLabel" name="label">
-     <property name="text">
-      <string notr="true">Message label placeholder.</string>
-     </property>
-     <property name="textFormat">
-      <enum>Qt::RichText</enum>
-     </property>
-     <property name="textInteractionFlags">
-      <set>Qt::LinksAccessibleByKeyboard|Qt::LinksAccessibleByMouse|Qt::TextBrowserInteraction|Qt::TextSelectableByKeyboard|Qt::TextSelectableByMouse</set>
-     </property>
-    </widget>
-   </item>
-   <item>
-    <widget class="QLineEdit" name="userTextBox">
-     <property name="placeholderText">
-      <string>Email</string>
-     </property>
-    </widget>
-   </item>
-   <item>
-    <widget class="QLineEdit" name="passTextBox">
-     <property name="echoMode">
-      <enum>QLineEdit::Password</enum>
-     </property>
-     <property name="placeholderText">
-      <string>Password</string>
-     </property>
-    </widget>
-   </item>
-   <item>
-    <widget class="QProgressBar" name="progressBar">
-     <property name="value">
-      <number>24</number>
-     </property>
-     <property name="textVisible">
-      <bool>false</bool>
-     </property>
-    </widget>
-   </item>
-   <item>
-    <widget class="QDialogButtonBox" name="buttonBox">
-     <property name="orientation">
-      <enum>Qt::Horizontal</enum>
-     </property>
-     <property name="standardButtons">
-      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
-     </property>
-    </widget>
-   </item>
-  </layout>
- </widget>
- <resources/>
- <connections/>
-</ui>
diff --git a/launcher/ui/pages/global/AccountListPage.cpp b/launcher/ui/pages/global/AccountListPage.cpp
index c95bfabd..90591c7f 100644
--- a/launcher/ui/pages/global/AccountListPage.cpp
+++ b/launcher/ui/pages/global/AccountListPage.cpp
@@ -45,7 +45,6 @@
 #include "net/NetJob.h"
 
 #include "ui/dialogs/CustomMessageBox.h"
-#include "ui/dialogs/LoginDialog.h"
 #include "ui/dialogs/MSALoginDialog.h"
 #include "ui/dialogs/OfflineLoginDialog.h"
 #include "ui/dialogs/ProgressDialog.h"
@@ -64,8 +63,7 @@ AccountListPage::AccountListPage(QWidget* parent) : QMainWindow(parent), ui(new
     ui->setupUi(this);
     ui->listView->setEmptyString(
         tr("Welcome!\n"
-           "If you're new here, you can select the \"Add Microsoft\" or \"Add Mojang\" buttons to link your Microsoft and/or Mojang "
-           "accounts."));
+           "If you're new here, you can select the \"Add Microsoft\" button to link your Microsoft account."));
     ui->listView->setEmptyMode(VersionListView::String);
     ui->listView->setContextMenuPolicy(Qt::CustomContextMenu);
 
@@ -74,7 +72,6 @@ AccountListPage::AccountListPage(QWidget* parent) : QMainWindow(parent), ui(new
     ui->listView->setModel(m_accounts.get());
     ui->listView->header()->setSectionResizeMode(AccountList::VListColumns::ProfileNameColumn, QHeaderView::Stretch);
     ui->listView->header()->setSectionResizeMode(AccountList::VListColumns::NameColumn, QHeaderView::Stretch);
-    ui->listView->header()->setSectionResizeMode(AccountList::VListColumns::MigrationColumn, QHeaderView::ResizeToContents);
     ui->listView->header()->setSectionResizeMode(AccountList::VListColumns::TypeColumn, QHeaderView::ResizeToContents);
     ui->listView->header()->setSectionResizeMode(AccountList::VListColumns::StatusColumn, QHeaderView::ResizeToContents);
     ui->listView->setSelectionMode(QAbstractItemView::SingleSelection);
@@ -139,19 +136,6 @@ void AccountListPage::listChanged()
     updateButtonStates();
 }
 
-void AccountListPage::on_actionAddMojang_triggered()
-{
-    MinecraftAccountPtr account =
-        LoginDialog::newAccount(this, tr("Please enter your Mojang account email and password to add your account."));
-
-    if (account) {
-        m_accounts->addAccount(account);
-        if (m_accounts->count() == 1) {
-            m_accounts->setDefaultAccount(account);
-        }
-    }
-}
-
 void AccountListPage::on_actionAddMicrosoft_triggered()
 {
     MinecraftAccountPtr account =
diff --git a/launcher/ui/pages/global/AccountListPage.h b/launcher/ui/pages/global/AccountListPage.h
index add0f4aa..f3b80191 100644
--- a/launcher/ui/pages/global/AccountListPage.h
+++ b/launcher/ui/pages/global/AccountListPage.h
@@ -70,7 +70,6 @@ class AccountListPage : public QMainWindow, public BasePage {
     void retranslate() override;
 
    public slots:
-    void on_actionAddMojang_triggered();
     void on_actionAddMicrosoft_triggered();
     void on_actionAddOffline_triggered();
     void on_actionRemove_triggered();
diff --git a/launcher/ui/pages/global/AccountListPage.ui b/launcher/ui/pages/global/AccountListPage.ui
index 469955b5..d8cf3ac0 100644
--- a/launcher/ui/pages/global/AccountListPage.ui
+++ b/launcher/ui/pages/global/AccountListPage.ui
@@ -53,7 +53,6 @@
     <bool>false</bool>
    </attribute>
    <addaction name="actionAddMicrosoft"/>
-   <addaction name="actionAddMojang"/>
    <addaction name="actionAddOffline"/>
    <addaction name="actionRefresh"/>
    <addaction name="actionRemove"/>
@@ -63,11 +62,6 @@
    <addaction name="actionUploadSkin"/>
    <addaction name="actionDeleteSkin"/>
   </widget>
-  <action name="actionAddMojang">
-   <property name="text">
-    <string>Add &amp;Mojang</string>
-   </property>
-  </action>
   <action name="actionRemove">
    <property name="text">
     <string>Remo&amp;ve</string>