diff --git a/src/globalshortcuts.cpp b/src/globalshortcuts.cpp
index ea95cd9ad1..ff3d25baf3 100644
--- a/src/globalshortcuts.cpp
+++ b/src/globalshortcuts.cpp
@@ -16,8 +16,8 @@
 #include "main.h"
 #include "utils/common.h"
 // KDE
-#include <KGlobalAccel/private/kglobalaccel_interface.h>
-#include <KGlobalAccel/private/kglobalacceld.h>
+#include <private/kglobalaccel_interface.h>
+#include <private/kglobalacceld.h>
 // Qt
 #include <QAction>
 // system
diff --git a/src/plugins/idletime/poller.h b/src/plugins/idletime/poller.h
index 4946e75a19..2ff871024a 100644
--- a/src/plugins/idletime/poller.h
+++ b/src/plugins/idletime/poller.h
@@ -8,9 +8,9 @@
 */
 #pragma once
 
-#include <KIdleTime/private/abstractsystempoller.h>
 #include <QHash>
 #include <QTimer>
+#include <private/abstractsystempoller.h>
 
 namespace KWin
 {
diff --git a/src/plugins/kglobalaccel/kglobalaccel_plugin.h b/src/plugins/kglobalaccel/kglobalaccel_plugin.h
index 3bbaa27f66..0467894072 100644
--- a/src/plugins/kglobalaccel/kglobalaccel_plugin.h
+++ b/src/plugins/kglobalaccel/kglobalaccel_plugin.h
@@ -8,7 +8,7 @@
 */
 #pragma once
 
-#include <KGlobalAccel/private/kglobalaccel_interface.h>
+#include <private/kglobalaccel_interface.h>
 
 #include <QObject>
 
diff --git a/src/plugins/windowsystem/plugin.h b/src/plugins/windowsystem/plugin.h
index 954fb57204..f99e285dd3 100644
--- a/src/plugins/windowsystem/plugin.h
+++ b/src/plugins/windowsystem/plugin.h
@@ -5,7 +5,7 @@
 */
 #pragma once
 
-#include <KWindowSystem/private/kwindowsystemplugininterface_p.h>
+#include <private/kwindowsystemplugininterface_p.h>
 
 class KWindowSystemKWinPlugin : public KWindowSystemPluginInterface
 {
diff --git a/src/plugins/windowsystem/windoweffects.h b/src/plugins/windowsystem/windoweffects.h
index e76886edbb..692db8a0bb 100644
--- a/src/plugins/windowsystem/windoweffects.h
+++ b/src/plugins/windowsystem/windoweffects.h
@@ -4,9 +4,9 @@
     SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 */
 #pragma once
-#include <KWindowSystem/private/kwindoweffects_p.h>
 #include <QObject>
 #include <kwindowsystem_version.h>
+#include <private/kwindoweffects_p.h>
 
 namespace KWin
 {
diff --git a/src/plugins/windowsystem/windowshadow.h b/src/plugins/windowsystem/windowshadow.h
index 098076051d..8331b05773 100644
--- a/src/plugins/windowsystem/windowshadow.h
+++ b/src/plugins/windowsystem/windowshadow.h
@@ -6,7 +6,7 @@
 
 #pragma once
 
-#include <KWindowSystem/private/kwindowshadow_p.h>
+#include <private/kwindowshadow_p.h>
 
 namespace KWin
 {
diff --git a/src/plugins/windowsystem/windowsystem.cpp b/src/plugins/windowsystem/windowsystem.cpp
index 9914d25d19..2d6b0d7454 100644
--- a/src/plugins/windowsystem/windowsystem.cpp
+++ b/src/plugins/windowsystem/windowsystem.cpp
@@ -5,7 +5,7 @@
 */
 #include "windowsystem.h"
 
-#include <KWindowSystem/KWindowSystem>
+#include <KWindowSystem>
 
 #include <QGuiApplication>
 #include <QWindow>
diff --git a/src/plugins/windowsystem/windowsystem.h b/src/plugins/windowsystem/windowsystem.h
index eead9832fb..0a4bbbf656 100644
--- a/src/plugins/windowsystem/windowsystem.h
+++ b/src/plugins/windowsystem/windowsystem.h
@@ -5,7 +5,7 @@
 */
 #pragma once
 
-#include <KWindowSystem/private/kwindowsystem_p.h>
+#include <private/kwindowsystem_p.h>
 
 #include <QObject>