diff --git a/core/kdeconnectplugin.h b/core/kdeconnectplugin.h
index 86accef0c..0dfc1bedb 100644
--- a/core/kdeconnectplugin.h
+++ b/core/kdeconnectplugin.h
@@ -9,17 +9,12 @@
 
 #include <QObject>
 #include <QVariantList>
-#include <kcoreaddons_version.h>
 
 #include "device.h"
 #include "kdeconnectcore_export.h"
 #include "kdeconnectpluginconfig.h"
 #include "networkpacket.h"
 
-#if KCOREADDONS_VERSION < QT_VERSION_CHECK(5, 44, 0)
-#define K_PLUGIN_CLASS_WITH_JSON(classname, jsonFile) K_PLUGIN_FACTORY_WITH_JSON(classname##Factory, jsonFile, registerPlugin<classname>();)
-#endif
-
 struct KdeConnectPluginPrivate;
 
 class KDECONNECTCORE_EXPORT KdeConnectPlugin : public QObject
diff --git a/interfaces/pluginmodel.cpp b/interfaces/pluginmodel.cpp
index 73dc7d8fb..ed7023b17 100644
--- a/interfaces/pluginmodel.cpp
+++ b/interfaces/pluginmodel.cpp
@@ -10,9 +10,6 @@
 
 #include "kcoreaddons_version.h"
 #include <KConfigGroup>
-#if KCOREADDONS_VERSION < QT_VERSION_CHECK(5, 86, 0)
-#include <KPluginLoader>
-#endif
 
 PluginModel::PluginModel(QObject *parent)
     : QAbstractListModel(parent)
@@ -21,11 +18,7 @@ PluginModel::PluginModel(QObject *parent)
     connect(this, &QAbstractItemModel::rowsRemoved, this, &PluginModel::rowsChanged);
 
     beginResetModel();
-#if KCOREADDONS_VERSION < QT_VERSION_CHECK(5, 84, 0)
-    m_plugins = KPluginLoader::findPlugins(QStringLiteral("kdeconnect/"));
-#else
     m_plugins = KPluginMetaData::findPlugins(QStringLiteral("kdeconnect/"));
-#endif
     endResetModel();
 }
 
diff --git a/plugins/notifications/notification.cpp b/plugins/notifications/notification.cpp
index 3c49abeb6..7564259ca 100644
--- a/plugins/notifications/notification.cpp
+++ b/plugins/notifications/notification.cpp
@@ -7,12 +7,9 @@
 #include "notification.h"
 #include "plugin_notification_debug.h"
 
-#include "knotifications_version.h"
-#include <KNotification>
-#if KNOTIFICATIONS_VERSION >= QT_VERSION_CHECK(5, 81, 0)
-#include <KNotificationReplyAction>
-#endif
 #include <KLocalizedString>
+#include <KNotification>
+#include <KNotificationReplyAction>
 #include <QFile>
 #include <QIcon>
 #include <QJsonArray>
@@ -49,13 +46,6 @@ Notification::Notification(const NetworkPacket &np, const Device *device, QObjec
     createKNotification(np);
 
     connect(m_notification, &KNotification::activated, this, [this](unsigned int actionIndex) {
-// Since 5.81 we use KNotification's inline reply instead of our own action
-#if KNOTIFICATIONS_VERSION < QT_VERSION_CHECK(5, 81, 0)
-        // Do nothing for our own reply action
-        if (!m_requestReplyId.isEmpty() && actionIndex == 1) {
-            return;
-        }
-#endif
         // Notification action indices start at 1
         Q_EMIT actionTriggered(m_internalId, m_actions[actionIndex - 1]);
     });
@@ -120,17 +110,12 @@ void Notification::createKNotification(const NetworkPacket &np)
     m_notification->setHint(QStringLiteral("x-kde-origin-name"), m_device->name());
 
     if (!m_requestReplyId.isEmpty()) {
-#if KNOTIFICATIONS_VERSION >= QT_VERSION_CHECK(5, 81, 0)
         auto replyAction = std::make_unique<KNotificationReplyAction>(i18nc("@action:button", "Reply"));
         replyAction->setPlaceholderText(i18nc("@info:placeholder", "Reply to %1...", m_appName));
         replyAction->setFallbackBehavior(KNotificationReplyAction::FallbackBehavior::UseRegularAction);
         QObject::connect(replyAction.get(), &KNotificationReplyAction::replied, this, &Notification::replied);
         QObject::connect(replyAction.get(), &KNotificationReplyAction::activated, this, &Notification::reply);
         m_notification->setReplyAction(std::move(replyAction));
-#else
-        m_actions.prepend(i18n("Reply"));
-        connect(m_notification, &KNotification::action1Activated, this, &Notification::reply, Qt::UniqueConnection);
-#endif
     }
 
     m_notification->setActions(m_actions);
diff --git a/plugins/runcommand/runcommandplugin.cpp b/plugins/runcommand/runcommandplugin.cpp
index 6c566d586..4a0e13608 100644
--- a/plugins/runcommand/runcommandplugin.cpp
+++ b/plugins/runcommand/runcommandplugin.cpp
@@ -77,10 +77,7 @@ void RunCommandPlugin::sendConfig()
 {
     QString commands = config()->getString(QStringLiteral("commands"), QStringLiteral("{}"));
     NetworkPacket np(PACKET_TYPE_RUNCOMMAND, {{QStringLiteral("commandList"), commands}});
-
-#if KCMUTILS_VERSION >= QT_VERSION_CHECK(5, 45, 0)
     np.set<bool>(QStringLiteral("canAddCommand"), true);
-#endif
 
     sendPacket(np);
 }