diff --git a/plugins/platforms/drm/drm_output.cpp b/plugins/platforms/drm/drm_output.cpp
--- a/plugins/platforms/drm/drm_output.cpp
+++ b/plugins/platforms/drm/drm_output.cpp
@@ -33,12 +33,7 @@
 #include "screens_drm.h"
 #include "wayland_server.h"
 // KWayland
-#include <KWayland/Server/display.h>
 #include <KWayland/Server/output_interface.h>
-#include <KWayland/Server/outputchangeset.h>
-#include <KWayland/Server/outputmanagement_interface.h>
-#include <KWayland/Server/outputconfiguration_interface.h>
-#include <KWayland/Server/xdgoutput_interface.h>
 // KF5
 #include <KConfigGroup>
 #include <KLocalizedString>
@@ -177,49 +172,6 @@
     drmModeMoveCursor(m_backend->fd(), m_crtc->id(), p.x(), p.y());
 }
 
-QSize DrmOutput::pixelSize() const
-{
-    auto orient = orientation();
-    if (orient == Qt::PortraitOrientation || orient == Qt::InvertedPortraitOrientation) {
-        return QSize(m_mode.vdisplay, m_mode.hdisplay);
-    }
-    return QSize(m_mode.hdisplay, m_mode.vdisplay);
-}
-
-static KWayland::Server::OutputInterface::DpmsMode toWaylandDpmsMode(DrmOutput::DpmsMode mode)
-{
-    using namespace KWayland::Server;
-    switch (mode) {
-    case DrmOutput::DpmsMode::On:
-        return OutputInterface::DpmsMode::On;
-    case DrmOutput::DpmsMode::Standby:
-        return OutputInterface::DpmsMode::Standby;
-    case DrmOutput::DpmsMode::Suspend:
-        return OutputInterface::DpmsMode::Suspend;
-    case DrmOutput::DpmsMode::Off:
-        return OutputInterface::DpmsMode::Off;
-    default:
-        Q_UNREACHABLE();
-    }
-}
-
-static DrmOutput::DpmsMode fromWaylandDpmsMode(KWayland::Server::OutputInterface::DpmsMode wlMode)
-{
-    using namespace KWayland::Server;
-    switch (wlMode) {
-    case OutputInterface::DpmsMode::On:
-        return DrmOutput::DpmsMode::On;
-    case OutputInterface::DpmsMode::Standby:
-        return DrmOutput::DpmsMode::Standby;
-    case OutputInterface::DpmsMode::Suspend:
-        return DrmOutput::DpmsMode::Suspend;
-    case OutputInterface::DpmsMode::Off:
-        return DrmOutput::DpmsMode::Off;
-    default:
-        Q_UNREACHABLE();
-    }
-}
-
 static QHash<int, QByteArray> s_connectorNames = {
     {DRM_MODE_CONNECTOR_Unknown, QByteArrayLiteral("Unknown")},
     {DRM_MODE_CONNECTOR_VGA, QByteArrayLiteral("VGA")},
@@ -595,6 +547,21 @@
     return false;
 }
 
+bool DrmOutput::initCursor(const QSize &cursorSize)
+{
+    auto createCursor = [this, cursorSize] (int index) {
+        m_cursor[index] = m_backend->createBuffer(cursorSize);
+        if (!m_cursor[index]->map(QImage::Format_ARGB32_Premultiplied)) {
+            return false;
+        }
+        return true;
+    };
+    if (!createCursor(0) || !createCursor(1)) {
+        return false;
+    }
+    return true;
+}
+
 void DrmOutput::initDpms(drmModeConnector *connector)
 {
     for (int i = 0; i < connector->count_props; ++i) {
@@ -609,6 +576,40 @@
     }
 }
 
+static DrmOutput::DpmsMode fromWaylandDpmsMode(KWayland::Server::OutputInterface::DpmsMode wlMode)
+{
+    using namespace KWayland::Server;
+    switch (wlMode) {
+    case OutputInterface::DpmsMode::On:
+        return DrmOutput::DpmsMode::On;
+    case OutputInterface::DpmsMode::Standby:
+        return DrmOutput::DpmsMode::Standby;
+    case OutputInterface::DpmsMode::Suspend:
+        return DrmOutput::DpmsMode::Suspend;
+    case OutputInterface::DpmsMode::Off:
+        return DrmOutput::DpmsMode::Off;
+    default:
+        Q_UNREACHABLE();
+    }
+}
+
+static KWayland::Server::OutputInterface::DpmsMode toWaylandDpmsMode(DrmOutput::DpmsMode mode)
+{
+    using namespace KWayland::Server;
+    switch (mode) {
+    case DrmOutput::DpmsMode::On:
+        return OutputInterface::DpmsMode::On;
+    case DrmOutput::DpmsMode::Standby:
+        return OutputInterface::DpmsMode::Standby;
+    case DrmOutput::DpmsMode::Suspend:
+        return OutputInterface::DpmsMode::Suspend;
+    case DrmOutput::DpmsMode::Off:
+        return OutputInterface::DpmsMode::Off;
+    default:
+        Q_UNREACHABLE();
+    }
+}
+
 void DrmOutput::updateDpms(KWayland::Server::OutputInterface::DpmsMode mode)
 {
     if (m_dpms.isNull()) {
@@ -684,15 +685,6 @@
     m_backend->outputWentOff();
 }
 
-int DrmOutput::currentRefreshRate() const
-{
-    auto wlOutput = waylandOutput();
-    if (!wlOutput) {
-        return 60000;
-    }
-    return wlOutput->refreshRate();
-}
-
 void DrmOutput::transform(KWayland::Server::OutputDeviceInterface::Transform transform)
 {
     waylandOutputDevice()->setTransform(transform);
@@ -790,6 +782,24 @@
     emit modeChanged();
 }
 
+int DrmOutput::currentRefreshRate() const
+{
+    auto wlOutput = waylandOutput();
+    if (!wlOutput) {
+        return 60000;
+    }
+    return wlOutput->refreshRate();
+}
+
+QSize DrmOutput::pixelSize() const
+{
+    auto orient = orientation();
+    if (orient == Qt::PortraitOrientation || orient == Qt::InvertedPortraitOrientation) {
+        return QSize(m_mode.vdisplay, m_mode.hdisplay);
+    }
+    return QSize(m_mode.hdisplay, m_mode.vdisplay);
+}
+
 void DrmOutput::setWaylandMode()
 {
     AbstractOutput::setWaylandMode(QSize(m_mode.hdisplay, m_mode.vdisplay),
@@ -1108,21 +1118,6 @@
     return ret;
 }
 
-bool DrmOutput::initCursor(const QSize &cursorSize)
-{
-    auto createCursor = [this, cursorSize] (int index) {
-        m_cursor[index] = m_backend->createBuffer(cursorSize);
-        if (!m_cursor[index]->map(QImage::Format_ARGB32_Premultiplied)) {
-            return false;
-        }
-        return true;
-    };
-    if (!createCursor(0) || !createCursor(1)) {
-        return false;
-    }
-    return true;
-}
-
 bool DrmOutput::supportsTransformations() const
 {
     if (!m_primaryPlane) {