--- a/meshlabplugins/render_gdp/shaderDialog.h
+++ b/meshlabplugins/render_gdp/shaderDialog.h
@@ -32,6 +32,8 @@
 #include "shaderStructs.h"
 #include "ui_shaderDialog.h"
 #include <QMap>
+#include <QLineEdit>
+#include <QSlider>
 
 class QGLWidget;
 
--- a/meshlabplugins/edit_paint/paintbox.cpp
+++ b/meshlabplugins/edit_paint/paintbox.cpp
@@ -23,6 +23,7 @@
 
 #include "paintbox.h"
 #include <QFileDialog>
+#include <QAction>
 
 Paintbox::Paintbox(QWidget * parent, Qt::WindowFlags flags) : QWidget(parent, flags)
 {