diff --git a/src/libs/utils/wizard.cpp b/src/libs/utils/wizard.cpp
index e22aae7a588..68ae59129c9 100644
--- a/src/libs/utils/wizard.cpp
+++ b/src/libs/utils/wizard.cpp
@@ -32,6 +32,7 @@
 
 #include <utils/theme/theme.h>
 
+#include <QDebug>
 #include <QDialog>
 #include <QDialogButtonBox>
 #include <QHash>
diff --git a/src/plugins/coreplugin/generatedfile.cpp b/src/plugins/coreplugin/generatedfile.cpp
index 0ddcfdb66c5..3c67d5525f3 100644
--- a/src/plugins/coreplugin/generatedfile.cpp
+++ b/src/plugins/coreplugin/generatedfile.cpp
@@ -31,6 +31,7 @@
 #include <utils/textfileformat.h>
 
 #include <QCoreApplication>
+#include <QDebug>
 #include <QDir>
 #include <QString>
 
diff --git a/src/plugins/projectexplorer/jsonwizard/jsonfieldpage_p.h b/src/plugins/projectexplorer/jsonwizard/jsonfieldpage_p.h
index d41af7f410c..97aaff4749d 100644
--- a/src/plugins/projectexplorer/jsonwizard/jsonfieldpage_p.h
+++ b/src/plugins/projectexplorer/jsonwizard/jsonfieldpage_p.h
@@ -34,12 +34,12 @@
 #include <QVariant>
 #include <QStandardItem>
 #include <QDir>
+#include <QTextStream>
 
 #include <memory>
 #include <vector>
 
 QT_BEGIN_NAMESPACE
-class QStandardItemModel;
 class QItemSelectionModel;
 QT_END_NAMESPACE
 
diff --git a/src/plugins/projectexplorer/jsonwizard/jsonwizard.h b/src/plugins/projectexplorer/jsonwizard/jsonwizard.h
index cc6e5f5c97c..50ce60929d7 100644
--- a/src/plugins/projectexplorer/jsonwizard/jsonwizard.h
+++ b/src/plugins/projectexplorer/jsonwizard/jsonwizard.h
@@ -34,6 +34,7 @@
 #include <utils/wizard.h>
 #include <utils/macroexpander.h>
 
+#include <QDebug>
 #include <QVariant>
 
 namespace ProjectExplorer {