diff --git a/src/gui/torrentcategorydialog.cpp b/src/gui/torrentcategorydialog.cpp
index 099696371..e7d269af9 100644
--- a/src/gui/torrentcategorydialog.cpp
+++ b/src/gui/torrentcategorydialog.cpp
@@ -28,7 +28,6 @@
 
 #include "torrentcategorydialog.h"
 
-#include <QMap>
 #include <QMessageBox>
 
 #include "base/bittorrent/session.h"
diff --git a/src/gui/torrentcontentmodel.cpp b/src/gui/torrentcontentmodel.cpp
index 14c52ca54..1602834aa 100644
--- a/src/gui/torrentcontentmodel.cpp
+++ b/src/gui/torrentcontentmodel.cpp
@@ -34,7 +34,6 @@
 #include <QFileIconProvider>
 #include <QFileInfo>
 #include <QIcon>
-#include <QMap>
 
 #if defined(Q_OS_WIN)
 #include <Windows.h>
diff --git a/src/webui/webapplication.cpp b/src/webui/webapplication.cpp
index ef2202b1b..4e07bc499 100644
--- a/src/webui/webapplication.cpp
+++ b/src/webui/webapplication.cpp
@@ -537,7 +537,7 @@ void WebApplication::sessionStart()
 
     // remove outdated sessions
     const qint64 now = QDateTime::currentMSecsSinceEpoch() / 1000;
-    const QMap<QString, WebSession *> sessionsCopy {m_sessions};
+    const QHash<QString, WebSession *> sessionsCopy {m_sessions};
     for (const auto session : sessionsCopy) {
         if ((now - session->timestamp()) > INACTIVE_TIME)
             delete m_sessions.take(session->id());
diff --git a/src/webui/webapplication.h b/src/webui/webapplication.h
index 1c38d65b8..e59e0d97f 100644
--- a/src/webui/webapplication.h
+++ b/src/webui/webapplication.h
@@ -30,7 +30,6 @@
 
 #include <QDateTime>
 #include <QHash>
-#include <QMap>
 #include <QObject>
 #include <QRegularExpression>
 #include <QSet>
@@ -120,7 +119,7 @@ private:
     bool validateHostHeader(const QStringList &domains) const;
 
     // Persistent data
-    QMap<QString, WebSession *> m_sessions;
+    QHash<QString, WebSession *> m_sessions;
 
     // Current data
     WebSession *m_currentSession = nullptr;
@@ -141,7 +140,7 @@ private:
         QByteArray data;
         QDateTime lastModified;
     };
-    QMap<QString, TranslatedFile> m_translatedFiles;
+    QHash<QString, TranslatedFile> m_translatedFiles;
     QString m_currentLocale;
     QTranslator m_translator;
     bool m_translationFileLoaded = false;