diff --git a/libkwineffects/kwinglplatform.h b/libkwineffects/kwinglplatform.h
index 35d05829ae..55e23f6545 100644
--- a/libkwineffects/kwinglplatform.h
+++ b/libkwineffects/kwinglplatform.h
@@ -24,6 +24,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <kwinglobals.h>
 #include <kwinglutils_funcs.h>
 
+#include <QByteArray>
 #include <QSet>
 
 namespace KWin
diff --git a/tabbox/tabbox.h b/tabbox/tabbox.h
index 4db6eca93a..9ea67ac9c8 100644
--- a/tabbox/tabbox.h
+++ b/tabbox/tabbox.h
@@ -25,6 +25,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include <QTimer>
 #include <QModelIndex>
+#include <KDE/KShortcut>
 #include "utils.h"
 #include "tabbox/tabboxhandler.h"
 
diff --git a/workspace.cpp b/workspace.cpp
index 50d02d1af0..87a903b45d 100644
--- a/workspace.cpp
+++ b/workspace.cpp
@@ -43,6 +43,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <kcmdlineargs.h>
 #include <kdeversion.h>
 #include <QtDBus/QtDBus>
+#include <QtConcurrentRun>
 
 #include "client.h"
 #include "composite.h"