diff --git a/src/kcmkwin/kwinoptions/mouse.cpp b/src/kcmkwin/kwinoptions/mouse.cpp
index 01daeecd45..34ee49826d 100644
--- a/src/kcmkwin/kwinoptions/mouse.cpp
+++ b/src/kcmkwin/kwinoptions/mouse.cpp
@@ -10,8 +10,6 @@
 
 #include <cstdlib>
 
-#include <KConfigDialogManager>
-
 #include "kwinoptions_settings.h"
 
 KWinMouseConfigForm::KWinMouseConfigForm(QWidget *parent)
diff --git a/src/kcmkwin/kwinoptions/windows.cpp b/src/kcmkwin/kwinoptions/windows.cpp
index 4c835b0cf5..f8fbac3dd8 100644
--- a/src/kcmkwin/kwinoptions/windows.cpp
+++ b/src/kcmkwin/kwinoptions/windows.cpp
@@ -28,7 +28,6 @@
 
 #include "kwinoptions_kdeglobals_settings.h"
 #include "kwinoptions_settings.h"
-#include <KConfigDialogManager>
 
 #define CLICK_TO_FOCUS 0
 #define CLICK_TO_FOCUS_MOUSE_PRECEDENT 1
diff --git a/src/plugins/kdecorations/aurorae/src/aurorae.cpp b/src/plugins/kdecorations/aurorae/src/aurorae.cpp
index 7f8a6a8804..1e91f3f49f 100644
--- a/src/plugins/kdecorations/aurorae/src/aurorae.cpp
+++ b/src/plugins/kdecorations/aurorae/src/aurorae.cpp
@@ -16,7 +16,6 @@
 #include <KDecoration2/DecorationSettings>
 #include <KDecoration2/DecorationShadow>
 // KDE
-#include <KConfigDialogManager>
 #include <KConfigGroup>
 #include <KConfigLoader>
 #include <KDesktopFile>