diff --git a/profile-widget/tankitem.cpp b/profile-widget/tankitem.cpp
index 849bab92c..6fde6203b 100644
--- a/profile-widget/tankitem.cpp
+++ b/profile-widget/tankitem.cpp
@@ -1,6 +1,8 @@
 // SPDX-License-Identifier: GPL-2.0
 #include "profile-widget/tankitem.h"
+#include "profile-widget/divecartesianaxis.h"
 #include "profile-widget/divetextitem.h"
+#include "core/dive.h"
 #include "core/event.h"
 #include "core/profile.h"
 #include <QPen>
diff --git a/profile-widget/tankitem.h b/profile-widget/tankitem.h
index fb94dc481..265407cde 100644
--- a/profile-widget/tankitem.h
+++ b/profile-widget/tankitem.h
@@ -2,11 +2,13 @@
 #ifndef TANKITEM_H
 #define TANKITEM_H
 
-#include <QGraphicsItem>
-#include <QBrush>
 #include "profile-widget/divelineitem.h"
-#include "profile-widget/divecartesianaxis.h"
-#include "core/dive.h"
+#include "core/gas.h"
+#include <QGraphicsRectItem>
+#include <QBrush>
+
+struct dive;
+class DiveCartesianAxis;
 
 class TankItem : public QGraphicsRectItem
 {