diff --git a/Alpha_shapes_3/demo/Alpha_shapes_3/MainWindow.cpp b/Alpha_shapes_3/demo/Alpha_shapes_3/MainWindow.cpp
index 720db51e9fc..a189679344f 100644
--- a/Alpha_shapes_3/demo/Alpha_shapes_3/MainWindow.cpp
+++ b/Alpha_shapes_3/demo/Alpha_shapes_3/MainWindow.cpp
@@ -109,5 +109,4 @@ MainWindow::open(QString fileName)
 }
 
 
-#include "MainWindow.moc"
 
diff --git a/Alpha_shapes_3/demo/Alpha_shapes_3/Viewer.cpp b/Alpha_shapes_3/demo/Alpha_shapes_3/Viewer.cpp
index 9dc670b7cf9..e276df8661e 100644
--- a/Alpha_shapes_3/demo/Alpha_shapes_3/Viewer.cpp
+++ b/Alpha_shapes_3/demo/Alpha_shapes_3/Viewer.cpp
@@ -386,4 +386,3 @@ void Viewer::alphaChanged()
     initialize_buffers();
 
 }
-#include "Viewer.moc"
diff --git a/Linear_cell_complex/demo/Linear_cell_complex/MainWindow.cpp b/Linear_cell_complex/demo/Linear_cell_complex/MainWindow.cpp
index 6d69509b8bf..6d7dcbee5bd 100644
--- a/Linear_cell_complex/demo/Linear_cell_complex/MainWindow.cpp
+++ b/Linear_cell_complex/demo/Linear_cell_complex/MainWindow.cpp
@@ -22,7 +22,6 @@
 #include "MainWindow.h"
 #include <CGAL/Delaunay_triangulation_3.h>
 #include <QSettings>
-#include "MainWindow.moc"
 #include <CGAL/Timer.h>
 #include <CGAL/ipower.h>
 
diff --git a/Linear_cell_complex/demo/Linear_cell_complex/Viewer.cpp b/Linear_cell_complex/demo/Linear_cell_complex/Viewer.cpp
index 3ac92e69f53..2a8459d5139 100644
--- a/Linear_cell_complex/demo/Linear_cell_complex/Viewer.cpp
+++ b/Linear_cell_complex/demo/Linear_cell_complex/Viewer.cpp
@@ -860,4 +860,3 @@ QString Viewer::helpString() const
   return text;
 }
 
-#include "Viewer.moc"
diff --git a/Periodic_3_triangulation_3/demo/Periodic_Lloyd_3/MainWindow.cpp b/Periodic_3_triangulation_3/demo/Periodic_Lloyd_3/MainWindow.cpp
index 8b822f4c70d..6baee676251 100644
--- a/Periodic_3_triangulation_3/demo/Periodic_Lloyd_3/MainWindow.cpp
+++ b/Periodic_3_triangulation_3/demo/Periodic_Lloyd_3/MainWindow.cpp
@@ -224,5 +224,4 @@ void MainWindow::help() {
   }
 }
 
-#include "MainWindow.moc"
 
diff --git a/Periodic_3_triangulation_3/demo/Periodic_Lloyd_3/Viewer.cpp b/Periodic_3_triangulation_3/demo/Periodic_Lloyd_3/Viewer.cpp
index eabf845b13d..7d1b9a93d09 100644
--- a/Periodic_3_triangulation_3/demo/Periodic_Lloyd_3/Viewer.cpp
+++ b/Periodic_3_triangulation_3/demo/Periodic_Lloyd_3/Viewer.cpp
@@ -316,4 +316,3 @@ void Viewer::changed()
     compute_elements();
     are_buffers_initialized = false;
 }
-#include "Viewer.moc"
diff --git a/Surface_mesher/demo/Surface_mesher/Raw_image_dialog.cpp b/Surface_mesher/demo/Surface_mesher/Raw_image_dialog.cpp
index 9f39ee05bcc..9e5e1f9b738 100644
--- a/Surface_mesher/demo/Surface_mesher/Raw_image_dialog.cpp
+++ b/Surface_mesher/demo/Surface_mesher/Raw_image_dialog.cpp
@@ -26,4 +26,3 @@ unsigned int Raw_image_dialog::image_word_size() const {
     return 1;
 }
 
-#include "Raw_image_dialog.moc"
diff --git a/Surface_mesher/demo/Surface_mesher/colorlisteditor.cpp b/Surface_mesher/demo/Surface_mesher/colorlisteditor.cpp
index 4191b731c23..a7e4c086e81 100644
--- a/Surface_mesher/demo/Surface_mesher/colorlisteditor.cpp
+++ b/Surface_mesher/demo/Surface_mesher/colorlisteditor.cpp
@@ -65,4 +65,3 @@ void ColorListEditor::populateList()
     }
 }
 
-#include "colorlisteditor.moc"
diff --git a/Surface_mesher/demo/Surface_mesher/mainwindow.cpp b/Surface_mesher/demo/Surface_mesher/mainwindow.cpp
index dfa63fb4be6..6c40d83c48e 100644
--- a/Surface_mesher/demo/Surface_mesher/mainwindow.cpp
+++ b/Surface_mesher/demo/Surface_mesher/mainwindow.cpp
@@ -154,4 +154,3 @@ void MainWindow::on_action_Clone_triggered()
   other->show();
 }
 
-#include "mainwindow.moc"
\ No newline at end of file
diff --git a/Surface_mesher/demo/Surface_mesher/values_list.cpp b/Surface_mesher/demo/Surface_mesher/values_list.cpp
index 0a058de18cd..e0c7c8ccfb1 100644
--- a/Surface_mesher/demo/Surface_mesher/values_list.cpp
+++ b/Surface_mesher/demo/Surface_mesher/values_list.cpp
@@ -270,4 +270,3 @@ void Values_list::setHeaderTitle(QString title)
   treeWidget->headerItem()->setText(0, title);
 }
 
-#include "values_list.moc"
diff --git a/Surface_mesher/demo/Surface_mesher/viewer.cpp b/Surface_mesher/demo/Surface_mesher/viewer.cpp
index 710be7f1949..6618268d8d6 100644
--- a/Surface_mesher/demo/Surface_mesher/viewer.cpp
+++ b/Surface_mesher/demo/Surface_mesher/viewer.cpp
@@ -66,4 +66,3 @@ void Viewer::set_surface(Surface* s)
   surface = s;
 }
 
-#include "viewer.moc"
diff --git a/Surface_mesher/demo/Surface_mesher/volume.cpp b/Surface_mesher/demo/Surface_mesher/volume.cpp
index 335e4135788..82fda99dafb 100644
--- a/Surface_mesher/demo/Surface_mesher/volume.cpp
+++ b/Surface_mesher/demo/Surface_mesher/volume.cpp
@@ -1544,4 +1544,3 @@ void Volume::labellizedToogled(bool toggled)
   }
 }
 
-#include "volume.moc"
diff --git a/Triangulation_3/demo/Triangulation_3/MainWindow.cpp b/Triangulation_3/demo/Triangulation_3/MainWindow.cpp
index 54f47ad2c9c..3737897de4a 100644
--- a/Triangulation_3/demo/Triangulation_3/MainWindow.cpp
+++ b/Triangulation_3/demo/Triangulation_3/MainWindow.cpp
@@ -1,7 +1,6 @@
 #include "MainWindow.h"
 #include <string>
 
-#include "MainWindow.moc" // .moc will be the output from moc preprocessor
 
 MainWindow::MainWindow(QWidget* parent)
  : CGAL::Qt::DemosMainWindow(parent)
diff --git a/Triangulation_3/demo/Triangulation_3/PreferenceDlg.cpp b/Triangulation_3/demo/Triangulation_3/PreferenceDlg.cpp
index dca25d9ce5f..c922abd6fd4 100644
--- a/Triangulation_3/demo/Triangulation_3/PreferenceDlg.cpp
+++ b/Triangulation_3/demo/Triangulation_3/PreferenceDlg.cpp
@@ -1,7 +1,6 @@
 #include <QtGui>
 #include "PreferenceDlg.h"
 
-#include "PreferenceDlg.moc" // .moc will be the output from moc preprocessor
 
 PreferenceDlg::PreferenceDlg(QWidget *parent) : QDialog(parent)
 {
diff --git a/Triangulation_3/demo/Triangulation_3/Viewer.cpp b/Triangulation_3/demo/Triangulation_3/Viewer.cpp
index 665b516479c..509a7968d01 100644
--- a/Triangulation_3/demo/Triangulation_3/Viewer.cpp
+++ b/Triangulation_3/demo/Triangulation_3/Viewer.cpp
@@ -14,7 +14,6 @@
 
 using namespace std;
 
-#include "Viewer.moc" // .moc will be the output from moc preprocessor
 
 void Viewer::init()
 {