diff --git a/effects/backgroundcontrast/contrast.cpp b/effects/backgroundcontrast/contrast.cpp
--- a/effects/backgroundcontrast/contrast.cpp
+++ b/effects/backgroundcontrast/contrast.cpp
@@ -24,7 +24,6 @@
 // KConfigSkeleton
 
 #include <QMatrix4x4>
-#include <QLinkedList>
 #include <QWindow>
 
 #include <KWayland/Server/surface_interface.h>
diff --git a/effects/blur/blur.cpp b/effects/blur/blur.cpp
--- a/effects/blur/blur.cpp
+++ b/effects/blur/blur.cpp
@@ -26,7 +26,6 @@
 
 #include <QGuiApplication>
 #include <QMatrix4x4>
-#include <QLinkedList>
 #include <QScreen> // for QGuiApplication
 #include <QTime>
 #include <QWindow>