diff --git a/src/plugins/printsupport/cups/qcupsprintersupport.cpp b/src/plugins/printsupport/cups/qcupsprintersupport.cpp
index 56191c4dec6..19e1df31f69 100644
--- a/src/plugins/printsupport/cups/qcupsprintersupport.cpp
+++ b/src/plugins/printsupport/cups/qcupsprintersupport.cpp
@@ -47,12 +47,14 @@
 
 #include <QtPrintSupport/QPrinterInfo>
 
+#if QT_CONFIG(dialogbuttonbox)
 #include <QGuiApplication>
 #include <QDialog>
 #include <QDialogButtonBox>
 #include <QFormLayout>
 #include <QLabel>
 #include <QLineEdit>
+#endif // QT_CONFIG(dialogbuttonbox)
 
 #include <cups/ppd.h>
 #ifndef QT_LINUXBASE // LSB merges everything into cups.h
@@ -61,6 +63,7 @@
 
 QT_BEGIN_NAMESPACE
 
+#if QT_CONFIG(dialogbuttonbox)
 static const char *getPasswordCB(const char */*prompt*/, http_t *http, const char */*method*/, const char *resource, void */*user_data*/)
 {
     // cups doesn't free the const char * we return so keep around
@@ -122,13 +125,16 @@ static const char *getPasswordCB(const char */*prompt*/, http_t *http, const cha
 
     return password.constData();
 }
+#endif // QT_CONFIG(dialogbuttonbox)
 
 QCupsPrinterSupport::QCupsPrinterSupport()
     : QPlatformPrinterSupport()
 {
+#if QT_CONFIG(dialogbuttonbox)
     // Only show password dialog if GUI application
     if (qobject_cast<QGuiApplication*>(QCoreApplication::instance()))
         cupsSetPasswordCB2(getPasswordCB, nullptr /* user_data */ );
+#endif // QT_CONFIG(dialogbuttonbox)
 }
 
 QCupsPrinterSupport::~QCupsPrinterSupport()