diff --git a/lang/qt/src/qgpgmekeyformailboxjob.cpp b/lang/qt/src/qgpgmekeyformailboxjob.cpp
index 0702a365..803d0e60 100644
--- a/lang/qt/src/qgpgmekeyformailboxjob.cpp
+++ b/lang/qt/src/qgpgmekeyformailboxjob.cpp
@@ -33,6 +33,8 @@
 #include "qgpgmekeyformailboxjob.h"
 #include "qgpgmekeylistjob.h"
 
+#include <QStringList>
+
 #include <tuple>
 
 using namespace GpgME;
diff --git a/lang/qt/tests/t-support.cpp b/lang/qt/tests/t-support.cpp
index 2b21ce78..86372f70 100644
--- a/lang/qt/tests/t-support.cpp
+++ b/lang/qt/tests/t-support.cpp
@@ -33,6 +33,11 @@
 
 #include <QTest>
 
+#include <QProcess>
+#include <QCoreApplication>
+#include <QObject>
+#include <QDir>
+
 void QGpgMETest::initTestCase()
 {
     const QString gpgHome = qgetenv("GNUPGHOME");
diff --git a/lang/qt/tests/t-support.h b/lang/qt/tests/t-support.h
index 74163b11..59d9a4dd 100644
--- a/lang/qt/tests/t-support.h
+++ b/lang/qt/tests/t-support.h
@@ -32,9 +32,6 @@
 #define T_SUPPORT_H
 
 #include "interfaces/passphraseprovider.h"
-#include <QtGlobal>
-#include <QProcess>
-#include <QCoreApplication>
 #include <QObject>
 
 namespace GpgME