diff --git a/src/app/valentina/dialogs/dialogpreferences.h b/src/app/valentina/dialogs/dialogpreferences.h
index 099fde45f..754324f72 100644
--- a/src/app/valentina/dialogs/dialogpreferences.h
+++ b/src/app/valentina/dialogs/dialogpreferences.h
@@ -40,6 +40,7 @@ class PreferencesConfigurationPage;
 class PreferencesPatternPage;
 class PreferencesPathPage;
 class QListWidgetItem;
+class VPattern;
 
 class DialogPreferences : public QDialog
 {
diff --git a/src/app/valentina/dialogs/vwidgetgroups.cpp b/src/app/valentina/dialogs/vwidgetgroups.cpp
index c6c39332a..14d1971ea 100644
--- a/src/app/valentina/dialogs/vwidgetgroups.cpp
+++ b/src/app/valentina/dialogs/vwidgetgroups.cpp
@@ -30,6 +30,7 @@
 #include "ui_vwidgetgroups.h"
 #include "../vtools/dialogs/tools/dialoggroup.h"
 #include "../vtools/undocommands/delgroup.h"
+#include "../vpatterndb/vcontainer.h"
 
 #include <QMenu>
 
diff --git a/src/libs/vtools/dialogs/support/dialogeditwrongformula.h b/src/libs/vtools/dialogs/support/dialogeditwrongformula.h
index 63b6e6455..957b9f49f 100644
--- a/src/libs/vtools/dialogs/support/dialogeditwrongformula.h
+++ b/src/libs/vtools/dialogs/support/dialogeditwrongformula.h
@@ -40,6 +40,7 @@
 #include "../tools/dialogtool.h"
 
 template <class T> class QSharedPointer;
+class VMeasurement;
 
 namespace Ui
 {
diff --git a/src/libs/vtools/dialogs/tools/dialoginsertnode.cpp b/src/libs/vtools/dialogs/tools/dialoginsertnode.cpp
index 8bfce9fc3..bd5d1f227 100644
--- a/src/libs/vtools/dialogs/tools/dialoginsertnode.cpp
+++ b/src/libs/vtools/dialogs/tools/dialoginsertnode.cpp
@@ -28,6 +28,7 @@
 
 #include "dialoginsertnode.h"
 #include "ui_dialoginsertnode.h"
+#include "../vpatterndb/vcontainer.h"
 
 //---------------------------------------------------------------------------------------------------------------------
 DialogInsertNode::DialogInsertNode(const VContainer *data, quint32 toolId, QWidget *parent)
diff --git a/src/libs/vtools/visualization/line/operation/visoperation.h b/src/libs/vtools/visualization/line/operation/visoperation.h
index 83ffbb06e..491bb69be 100644
--- a/src/libs/vtools/visualization/line/operation/visoperation.h
+++ b/src/libs/vtools/visualization/line/operation/visoperation.h
@@ -32,6 +32,7 @@
 #include <QtGlobal>
 
 #include "../visline.h"
+#include "../vpatterndb/vcontainer.h"
 
 class VisOperation : public VisLine
 {
diff --git a/src/libs/vtools/visualization/line/vistoolpin.cpp b/src/libs/vtools/visualization/line/vistoolpin.cpp
index 369a0d60f..3da8f48e7 100644
--- a/src/libs/vtools/visualization/line/vistoolpin.cpp
+++ b/src/libs/vtools/visualization/line/vistoolpin.cpp
@@ -29,6 +29,7 @@
 #include "vistoolpin.h"
 #include "../vwidgets/vsimplepoint.h"
 #include "../vgeometry/vpointf.h"
+#include "../vpatterndb/vcontainer.h"
 
 //---------------------------------------------------------------------------------------------------------------------
 VisToolPin::VisToolPin(const VContainer *data, QGraphicsItem *parent)
diff --git a/src/libs/vtools/visualization/line/vistoolpointfromarcandtangent.h b/src/libs/vtools/visualization/line/vistoolpointfromarcandtangent.h
index afd5801df..d11aae3a8 100644
--- a/src/libs/vtools/visualization/line/vistoolpointfromarcandtangent.h
+++ b/src/libs/vtools/visualization/line/vistoolpointfromarcandtangent.h
@@ -41,6 +41,8 @@
 #include "../vmisc/def.h"
 #include "visline.h"
 
+class VArc;
+
 class VisToolPointFromArcAndTangent : public VisLine
 {
     Q_OBJECT
diff --git a/src/libs/vtools/visualization/path/vispiecepins.cpp b/src/libs/vtools/visualization/path/vispiecepins.cpp
index 0bc203128..d197e6f39 100644
--- a/src/libs/vtools/visualization/path/vispiecepins.cpp
+++ b/src/libs/vtools/visualization/path/vispiecepins.cpp
@@ -29,6 +29,7 @@
 #include "vispiecepins.h"
 #include "../vwidgets/vsimplepoint.h"
 #include "../vgeometry/vpointf.h"
+#include "../vpatterndb/vcontainer.h"
 
 //---------------------------------------------------------------------------------------------------------------------
 VisPiecePins::VisPiecePins(const VContainer *data, QGraphicsItem *parent)
diff --git a/src/libs/vtools/visualization/visualization.h b/src/libs/vtools/visualization/visualization.h
index db88ae295..523221735 100644
--- a/src/libs/vtools/visualization/visualization.h
+++ b/src/libs/vtools/visualization/visualization.h
@@ -37,15 +37,16 @@
 #include "../vmisc/def.h"
 #include "../vmisc/logging.h"
 #include "../vmisc/vabstractapplication.h"
-#include "../vpatterndb/vcontainer.h"
 #include "../vwidgets/vmaingraphicsscene.h"
 #include "../vwidgets/vcurvepathitem.h"
 #include "../vwidgets/global.h"
+#include "../vgeometry/vabstractcurve.h"
 
 Q_DECLARE_LOGGING_CATEGORY(vVis)
 
 class VScaledEllipse;
 class VScaledLine;
+class VContainer;
 
 enum class Mode : char {Creation, Show};