diff --git a/src/gui/platform/unix/qdbuslistener.cpp b/src/gui/platform/unix/qdbuslistener.cpp
index b787b4f24b1..d6a05cc17eb 100644
--- a/src/gui/platform/unix/qdbuslistener.cpp
+++ b/src/gui/platform/unix/qdbuslistener.cpp
@@ -6,6 +6,9 @@
 #include <qpa/qplatformintegration.h>
 #include <qpa/qplatformservices.h>
 #include <private/qdbustrayicon_p.h>
+#include <qjsonarray.h>
+#include <qjsondocument.h>
+#include <qjsonobject.h>
 
 QT_BEGIN_NAMESPACE
 using namespace Qt::StringLiterals;
diff --git a/src/gui/platform/unix/qgenericunixtheme.cpp b/src/gui/platform/unix/qgenericunixtheme.cpp
index a3c5495bc26..8becb1ab61c 100644
--- a/src/gui/platform/unix/qgenericunixtheme.cpp
+++ b/src/gui/platform/unix/qgenericunixtheme.cpp
@@ -48,6 +48,7 @@
 #include <qpa/qplatformintegration.h>
 #include <QtCore/QStandardPaths>
 #ifndef QT_NO_DBUS
+#include <QtDBus/QDBusConnectionInterface>
 #include <private/qdbustrayicon_p.h>
 #endif
 #if QT_CONFIG(mimetype)
diff --git a/src/gui/platform/unix/qkdetheme.cpp b/src/gui/platform/unix/qkdetheme.cpp
index 9b3c27c4b5c..8a1e566c181 100644
--- a/src/gui/platform/unix/qkdetheme.cpp
+++ b/src/gui/platform/unix/qkdetheme.cpp
@@ -11,6 +11,8 @@
 #include <private/qdbustrayicon_p.h>
 #include <private/qdbusplatformmenu_p.h>
 #include <private/qdbusmenubar_p.h>
+#include <QSettings>
+#include <QStandardPaths>
 
 QT_BEGIN_NAMESPACE