diff --git a/profile-widget/divecartesianaxis.cpp b/profile-widget/divecartesianaxis.cpp
index 9fd8fb9db..84815e59d 100644
--- a/profile-widget/divecartesianaxis.cpp
+++ b/profile-widget/divecartesianaxis.cpp
@@ -3,7 +3,6 @@
 #include "profile-widget/divetextitem.h"
 #include "core/qthelper.h"
 #include "core/subsurface-string.h"
-#include "core/subsurface-qt/divelistnotifier.h"
 #include "qt-models/diveplotdatamodel.h"
 #include "profile-widget/animationfunctions.h"
 #include "profile-widget/divelineitem.h"
@@ -353,22 +352,11 @@ QColor DepthAxis::colorForValue(double) const
 	return QColor(Qt::red);
 }
 
-DepthAxis::DepthAxis(double fontPrintScale, ProfileScene &scene) : DiveCartesianAxis(fontPrintScale, scene),
-	unitSystem(prefs.units.length)
+DepthAxis::DepthAxis(double fontPrintScale, ProfileScene &scene) : DiveCartesianAxis(fontPrintScale, scene)
 {
-	connect(&diveListNotifier, &DiveListNotifier::settingsChanged, this, &DepthAxis::settingsChanged);
 	changed = true;
 }
 
-void DepthAxis::settingsChanged()
-{
-	if (unitSystem == prefs.units.length)
-		return;
-	changed = true;
-	updateTicks();
-	unitSystem = prefs.units.length;
-}
-
 QColor TimeAxis::colorForValue(double) const
 {
 	return QColor(Qt::blue);
@@ -401,7 +389,6 @@ PartialGasPressureAxis::PartialGasPressureAxis(const DivePlotDataModel &model, d
 	DiveCartesianAxis(fontPrintScale, scene),
 	model(model)
 {
-	connect(&diveListNotifier, &DiveListNotifier::settingsChanged, this, &PartialGasPressureAxis::update);
 }
 
 void PartialGasPressureAxis::update()
diff --git a/profile-widget/divecartesianaxis.h b/profile-widget/divecartesianaxis.h
index efb36fff6..a92aeb2b2 100644
--- a/profile-widget/divecartesianaxis.h
+++ b/profile-widget/divecartesianaxis.h
@@ -81,10 +81,6 @@ public:
 private:
 	QString textForValue(double value) const override;
 	QColor colorForValue(double value) const override;
-	units::LENGTH unitSystem;
-private
-slots:
-	void settingsChanged();
 };
 
 class TimeAxis : public DiveCartesianAxis {
@@ -109,8 +105,6 @@ class PartialGasPressureAxis : public DiveCartesianAxis {
 	Q_OBJECT
 public:
 	PartialGasPressureAxis(const DivePlotDataModel &model, double fontPrintScale, ProfileScene &scene);
-public
-slots:
 	void update();
 private:
 	const DivePlotDataModel &model;