diff --git a/effects/coverswitch/coverswitch.cpp b/effects/coverswitch/coverswitch.cpp
index 4ffa40c980..45c762138e 100644
--- a/effects/coverswitch/coverswitch.cpp
+++ b/effects/coverswitch/coverswitch.cpp
@@ -36,7 +36,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include <kdebug.h>
 
-#include <kwinglutils.h>
 #include "../boxswitch/boxswitch_proxy.h"
 
 namespace KWin
diff --git a/main.cpp b/main.cpp
index 762446386f..3773063da2 100644
--- a/main.cpp
+++ b/main.cpp
@@ -39,7 +39,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <kxerrorhandler.h>
 #include <kdefakes.h>
 #include <QtDBus/QtDBus>
-#include <stdlib.h>
 #include <QMessageBox>
 #include <QEvent>
 
diff --git a/scene_opengl.cpp b/scene_opengl.cpp
index 0980229bb9..22f323f7dd 100644
--- a/scene_opengl.cpp
+++ b/scene_opengl.cpp
@@ -67,7 +67,6 @@ Sources and other compositing managers:
 */
 
 #include "scene_opengl.h"
-#include "kwinglplatform.h"
 
 #include <kxerrorhandler.h>