diff --git a/core/backends/lan/lanlinkprovider.cpp b/core/backends/lan/lanlinkprovider.cpp
index 86730b3a0..82d45a1ba 100644
--- a/core/backends/lan/lanlinkprovider.cpp
+++ b/core/backends/lan/lanlinkprovider.cpp
@@ -420,7 +420,7 @@ void LanLinkProvider::deviceLinkDestroyed(QObject* destroyedDeviceLink)
 void LanLinkProvider::configureSslSocket(QSslSocket* socket, const QString& deviceId, bool isDeviceTrusted)
 {
     // Setting supported ciphers manually
-    // Top 3 ciphers are for new Android devices, botton two are for old Android devices
+    // Top 3 ciphers are for new Android devices, bottom two are for old Android devices
     // FIXME : These cipher suites should be checked whether they are supported or not on device
     QList<QSslCipher> socketCiphers;
     socketCiphers.append(QSslCipher(QStringLiteral("ECDHE-ECDSA-AES256-GCM-SHA384")));
diff --git a/core/backends/lan/lanlinkprovider.h b/core/backends/lan/lanlinkprovider.h
index 3988e3a77..a9bbc947b 100644
--- a/core/backends/lan/lanlinkprovider.h
+++ b/core/backends/lan/lanlinkprovider.h
@@ -27,7 +27,6 @@
 #include <QUdpSocket>
 #include <QTimer>
 #include <QNetworkSession>
-#include <QSslSocket>
 
 #include "kdeconnectcore_export.h"
 #include "backends/linkprovider.h"
diff --git a/core/daemon.cpp b/core/daemon.cpp
index c123e47a5..e52335465 100644
--- a/core/daemon.cpp
+++ b/core/daemon.cpp
@@ -80,7 +80,7 @@ Daemon::Daemon(QObject* parent, bool testMode)
         #endif
     }
 
-    //Read remebered paired devices
+    //Read remembered paired devices
     const QStringList& list = KdeConnectConfig::instance()->trustedDevices();
     for (const QString& id : list) {
         addDevice(new Device(this, id));
diff --git a/core/kdeconnectconfig.cpp b/core/kdeconnectconfig.cpp
index 84f63c4dc..dbd2ce0f3 100644
--- a/core/kdeconnectconfig.cpp
+++ b/core/kdeconnectconfig.cpp
@@ -33,7 +33,6 @@
 #include <QSettings>
 #include <QSslCertificate>
 #include <QtCrypto>
-#include <QSslCertificate>
 
 #include "core_debug.h"
 #include "dbushelper.h"
@@ -115,7 +114,7 @@ KdeConnectConfig::KdeConnectConfig()
         qCDebug(KDECONNECT_CORE) << "My id:" << uuid;
 
         // FIXME: We only use QCA here to generate the cert and key, would be nice to get rid of it completely.
-        // The same thing we are doing with QCA could be done invoking openssl (altought it's potentially less portable):
+        // The same thing we are doing with QCA could be done invoking openssl (although it's potentially less portable):
         // openssl req -new -x509 -sha256 -newkey rsa:2048 -nodes -keyout privateKey.pem -days 3650 -out certificate.pem -subj "/O=KDE/OU=KDE Connect/CN=_e6e29ad4_2b31_4b6d_8f7a_9872dbaa9095_"
 
         QCA::CertificateOptions certificateOptions = QCA::CertificateOptions();
diff --git a/declarativeplugin/kdeconnectdeclarativeplugin.cpp b/declarativeplugin/kdeconnectdeclarativeplugin.cpp
index d86c0b117..d42425cff 100644
--- a/declarativeplugin/kdeconnectdeclarativeplugin.cpp
+++ b/declarativeplugin/kdeconnectdeclarativeplugin.cpp
@@ -97,12 +97,12 @@ void KdeConnectDeclarativePlugin::registerTypes(const char* uri)
     qmlRegisterType<RemoteCommandsModel>(uri, 1, 0, "RemoteCommandsModel");
     qmlRegisterType<DBusAsyncResponse>(uri, 1, 0, "DBusAsyncResponse");
     qmlRegisterType<DevicesSortProxyModel>(uri, 1, 0, "DevicesSortProxyModel");
-    qmlRegisterUncreatableType<MprisDbusInterface>(uri, 1, 0, "MprisDbusInterface", QStringLiteral("You're not supposed to instantiate interfacess"));
-    qmlRegisterUncreatableType<LockDeviceDbusInterface>(uri, 1, 0, "LockDeviceDbusInterface", QStringLiteral("You're not supposed to instantiate interfacess"));
-    qmlRegisterUncreatableType<FindMyPhoneDeviceDbusInterface>(uri, 1, 0, "FindMyPhoneDbusInterface", QStringLiteral("You're not supposed to instantiate interfacess"));
-    qmlRegisterUncreatableType<RemoteKeyboardDbusInterface>(uri, 1, 0, "RemoteKeyboardDbusInterface", QStringLiteral("You're not supposed to instantiate interfacess"));
-    qmlRegisterUncreatableType<DeviceDbusInterface>(uri, 1, 0, "DeviceDbusInterface", QStringLiteral("You're not supposed to instantiate interfacess"));
-    qmlRegisterUncreatableType<DeviceDbusInterface>(uri, 1, 0, "RemoteCommandsDbusInterface", QStringLiteral("You're not supposed to instantiate interfacess"));
+    qmlRegisterUncreatableType<MprisDbusInterface>(uri, 1, 0, "MprisDbusInterface", QStringLiteral("You're not supposed to instantiate interfaces"));
+    qmlRegisterUncreatableType<LockDeviceDbusInterface>(uri, 1, 0, "LockDeviceDbusInterface", QStringLiteral("You're not supposed to instantiate interfaces"));
+    qmlRegisterUncreatableType<FindMyPhoneDeviceDbusInterface>(uri, 1, 0, "FindMyPhoneDbusInterface", QStringLiteral("You're not supposed to instantiate interfaces"));
+    qmlRegisterUncreatableType<RemoteKeyboardDbusInterface>(uri, 1, 0, "RemoteKeyboardDbusInterface", QStringLiteral("You're not supposed to instantiate interfaces"));
+    qmlRegisterUncreatableType<DeviceDbusInterface>(uri, 1, 0, "DeviceDbusInterface", QStringLiteral("You're not supposed to instantiate interfaces"));
+    qmlRegisterUncreatableType<DeviceDbusInterface>(uri, 1, 0, "RemoteCommandsDbusInterface", QStringLiteral("You're not supposed to instantiate interfaces"));
     qmlRegisterSingletonType<DaemonDbusInterface>(uri, 1, 0, "DaemonDbusInterface",
         [](QQmlEngine*, QJSEngine*) -> QObject* {
             return new DaemonDbusInterface;
diff --git a/declarativeplugin/responsewaiter.h b/declarativeplugin/responsewaiter.h
index 35c8abc8c..92c9873eb 100644
--- a/declarativeplugin/responsewaiter.h
+++ b/declarativeplugin/responsewaiter.h
@@ -17,7 +17,7 @@ public:
   
     static DBusResponseWaiter* instance();
   
-    ///extract QDbusPendingCall from \p variant and blocks untill completed
+    ///extract QDbusPendingCall from \p variant and blocks until completed
     Q_INVOKABLE QVariant waitForReply(QVariant variant) const;
     
     const QDBusPendingCall* extractPendingCall(QVariant& variant) const;
diff --git a/interfaces/modeltest.cpp b/interfaces/modeltest.cpp
index c3c86aeb5..9fb6d998d 100644
--- a/interfaces/modeltest.cpp
+++ b/interfaces/modeltest.cpp
@@ -23,7 +23,7 @@
 
 #include "modeltest.h"
 
-#include <QtGui/QtGui>
+#include <QtGui>
 
 Q_DECLARE_METATYPE(QModelIndex)
 
diff --git a/interfaces/modeltest.h b/interfaces/modeltest.h
index befe270e6..30e39b439 100644
--- a/interfaces/modeltest.h
+++ b/interfaces/modeltest.h
@@ -24,9 +24,9 @@
 #ifndef MODELTEST_H
 #define MODELTEST_H
 
-#include <QtCore/QObject>
-#include <QtCore/QAbstractItemModel>
-#include <QtCore/QStack>
+#include <QObject>
+#include <QAbstractItemModel>
+#include <QStack>
 
 class ModelTest : public QObject
 {
diff --git a/kio/kiokdeconnect.cpp b/kio/kiokdeconnect.cpp
index 02243d09a..e0d7973de 100644
--- a/kio/kiokdeconnect.cpp
+++ b/kio/kiokdeconnect.cpp
@@ -21,7 +21,7 @@
 
 #include "kiokdeconnect.h"
 
-#include <QtCore/QThread>
+#include <QThread>
 #include <QDBusMetaType>
 
 #include <KLocalizedString>
diff --git a/plasmoid/package/contents/ui/RemoteKeyboard.qml b/plasmoid/package/contents/ui/RemoteKeyboard.qml
index b82f29f2d..e3a925469 100644
--- a/plasmoid/package/contents/ui/RemoteKeyboard.qml
+++ b/plasmoid/package/contents/ui/RemoteKeyboard.qml
@@ -46,7 +46,7 @@ QtObject {
             var transEvent = JSON.parse(JSON.stringify(event)); // transform to anonymous object
             if (transEvent.modifiers & Qt.ControlModifier) {
                 // special handling for ctrl+c/v/x/a, for which only 'key' gets
-                // set, but no visbile 'text', which is expected by the remoteKeyboard
+                // set, but no visible 'text', which is expected by the remoteKeyboard
                 // wire-format:
                 if (transEvent.key === Qt.Key_C)
                     transEvent.text = 'c';
diff --git a/plugins/contacts/CMakeLists.txt b/plugins/contacts/CMakeLists.txt
index 9e3bbe479..a94244fc1 100644
--- a/plugins/contacts/CMakeLists.txt
+++ b/plugins/contacts/CMakeLists.txt
@@ -8,4 +8,4 @@ target_link_libraries(kdeconnect_contacts
     kdeconnectcore
     Qt5::DBus
     KF5::I18n
-)
\ No newline at end of file
+)
diff --git a/plugins/notifications/notification.cpp b/plugins/notifications/notification.cpp
index 97d1cb894..fcd73cd37 100644
--- a/plugins/notifications/notification.cpp
+++ b/plugins/notifications/notification.cpp
@@ -162,7 +162,7 @@ void Notification::applyIcon()
 
 void Notification::applyNoIcon()
 {
-    //HACK The only way to display no icon at all is trying to load a non-existant icon
+    //HACK The only way to display no icon at all is trying to load a non-existent icon
     m_notification->setIconName(QStringLiteral("not_a_real_icon"));
 }
 
diff --git a/plugins/notifications/notificationsdbusinterface.cpp b/plugins/notifications/notificationsdbusinterface.cpp
index a8aa7faa6..683043230 100644
--- a/plugins/notifications/notificationsdbusinterface.cpp
+++ b/plugins/notifications/notificationsdbusinterface.cpp
@@ -160,7 +160,7 @@ void NotificationsDbusInterface::dismissRequested(const QString& internalId)
     np.set<QString>(QStringLiteral("cancel"), internalId);
     m_plugin->sendPacket(np);
 
-    //Workaround: we erase notifications without waiting a repsonse from the
+    //Workaround: we erase notifications without waiting a response from the
     //phone because we won't receive a response if we are out of sync and this
     //notification no longer exists. Ideally, each time we reach the phone
     //after some time disconnected we should re-sync all the notifications.
diff --git a/plugins/sendnotifications/notificationslistener.cpp b/plugins/sendnotifications/notificationslistener.cpp
index 235a5d0ac..b87d951ce 100644
--- a/plugins/sendnotifications/notificationslistener.cpp
+++ b/plugins/sendnotifications/notificationslistener.cpp
@@ -18,9 +18,9 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <QtDBus/QDBusConnection>
-#include <QtDBus/QDBusInterface>
-#include <QtDBus/QDBusArgument>
+#include <QDBusConnection>
+#include <QDBusInterface>
+#include <QDBusArgument>
 #include <QtDebug>
 #include <QLoggingCategory>
 #include <QStandardPaths>
diff --git a/plugins/sendnotifications/notificationslistener.h b/plugins/sendnotifications/notificationslistener.h
index adddfdc0c..48b875a38 100644
--- a/plugins/sendnotifications/notificationslistener.h
+++ b/plugins/sendnotifications/notificationslistener.h
@@ -18,8 +18,8 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <QtDBus/QDBusAbstractAdaptor>
-#include <QtDBus/QDBusArgument>
+#include <QDBusAbstractAdaptor>
+#include <QDBusArgument>
 #include <core/device.h>
 #include <QBuffer>
 #include <QFile>
diff --git a/plugins/sftp/sftpplugin.h b/plugins/sftp/sftpplugin.h
index 8539e31d9..32ca85be3 100644
--- a/plugins/sftp/sftpplugin.h
+++ b/plugins/sftp/sftpplugin.h
@@ -53,7 +53,7 @@ public Q_SLOTS:
 
     Q_SCRIPTABLE bool startBrowsing();
     Q_SCRIPTABLE QString mountPoint();
-    Q_SCRIPTABLE QVariantMap getDirectories(); //Actually a QMap<String, String>, but QDBus preffers this
+    Q_SCRIPTABLE QVariantMap getDirectories(); //Actually a QMap<String, String>, but QDBus prefers this
 
 private Q_SLOTS:
     void onMounted();
@@ -70,7 +70,7 @@ private:
     QScopedPointer<Pimpl> d;
     QString deviceId; //Storing it to avoid accessing device() from the destructor which could cause a crash
 
-    QVariantMap remoteDirectories; //Actually a QMap<String, String>, but QDBus preffers this
+    QVariantMap remoteDirectories; //Actually a QMap<String, String>, but QDBus prefers this
 };
 
 
diff --git a/smsapp/conversationlistmodel.cpp b/smsapp/conversationlistmodel.cpp
index 1bbbcc548..0f905c763 100644
--- a/smsapp/conversationlistmodel.cpp
+++ b/smsapp/conversationlistmodel.cpp
@@ -60,7 +60,7 @@ void ConversationListModel::setDeviceId(const QString& deviceId)
     m_deviceId = deviceId;
     m_conversationsInterface = new DeviceConversationsDbusInterface(deviceId, this);
     connect(m_conversationsInterface, SIGNAL(conversationCreated(QString)), this, SLOT(handleCreatedConversation(QString)));
-    connect(m_conversationsInterface, SIGNAL(conversationMessageReceived(QVariantMap, int)), this, SLOT(createRowFromMessage(QVariantMap, int)));
+    connect(m_conversationsInterface, SIGNAL(conversationMessageReceived(QVariantMap,int)), this, SLOT(createRowFromMessage(QVariantMap,int)));
     prepareConversationsList();
 
     m_conversationsInterface->requestAllConversationThreads();
diff --git a/smsapp/conversationmodel.cpp b/smsapp/conversationmodel.cpp
index b1a8e2c73..675bf596f 100644
--- a/smsapp/conversationmodel.cpp
+++ b/smsapp/conversationmodel.cpp
@@ -66,7 +66,7 @@ void ConversationModel::setDeviceId(const QString& deviceId)
     m_deviceId = deviceId;
 
     m_conversationsInterface = new DeviceConversationsDbusInterface(deviceId, this);
-    connect(m_conversationsInterface, SIGNAL(conversationMessageReceived(QVariantMap, int)), this, SLOT(createRowFromMessage(QVariantMap, int)));
+    connect(m_conversationsInterface, SIGNAL(conversationMessageReceived(QVariantMap,int)), this, SLOT(createRowFromMessage(QVariantMap,int)));
     connect(m_conversationsInterface, SIGNAL(conversationUpdated(QVariantMap)), this, SLOT(handleConversationUpdate(QVariantMap)));
 }
 
diff --git a/tests/lanlinkprovidertest.cpp b/tests/lanlinkprovidertest.cpp
index 0bc17d08e..89ae08dd4 100644
--- a/tests/lanlinkprovidertest.cpp
+++ b/tests/lanlinkprovidertest.cpp
@@ -178,7 +178,7 @@ void LanLinkProviderTest::pairedDeviceUdpPacketReceived()
 
     QByteArray receivedPacket = m_reader->readLine();
     testIdentityPacket(receivedPacket);
-    // Received identiy packet from LanLinkProvider now start ssl
+    // Received identity packet from LanLinkProvider now start ssl
 
     QSignalSpy spy3(serverSocket, SIGNAL(encrypted()));
     QVERIFY(connect(serverSocket, static_cast<void(QAbstractSocket::*)(QAbstractSocket::SocketError)>(&QSslSocket::error),
diff --git a/tests/testnotificationlistener.cpp b/tests/testnotificationlistener.cpp
index 346432a15..bf781e6a4 100644
--- a/tests/testnotificationlistener.cpp
+++ b/tests/testnotificationlistener.cpp
@@ -371,7 +371,7 @@ void TestNotificationListener::testNotify()
         QCOMPARE(++proxiedNotifications, d->getSentPackets());
         QVERIFY(d->getLastPacket()->hasPayload());
         QCOMPARE(d->getLastPacket()->payloadSize(), fi.size());
-        // works also with abolute paths
+        // works also with absolute paths
         retId = listener->Notify(appName, replacesId, iconName, summary, body, {}, {{}}, 0);
         QCOMPARE(retId, replacesId);
         QCOMPARE(++proxiedNotifications, d->getSentPackets());