diff --git a/include/FloatModelEditorBase.h b/include/FloatModelEditorBase.h
index 38ab1b51b..82361197b 100644
--- a/include/FloatModelEditorBase.h
+++ b/include/FloatModelEditorBase.h
@@ -66,8 +66,6 @@ public:
 		setUnit( _txt_after );
 	}
 
-	void setTotalAngle( float angle );
-
 signals:
 	void sliderPressed();
 	void sliderReleased();
@@ -98,16 +96,7 @@ private:
 
 	void doConnections() override;
 
-	QLineF calculateLine( const QPointF & _mid, float _radius,
-						float _innerRadius = 1) const;
-
 	void setPosition( const QPoint & _p );
-	bool updateAngle();
-
-	int angleFromValue( float value, float minValue, float maxValue, float totalAngle ) const
-	{
-		return static_cast<int>( ( value - 0.5 * ( minValue + maxValue ) ) / ( maxValue - minValue ) * m_totalAngle ) % 360;
-	}
 
 	inline float pageSize() const
 	{
@@ -127,8 +116,6 @@ private:
 	float m_leftOver;
 	bool m_buttonPressed;
 
-	float m_totalAngle;
-	int m_angle;
 	QImage m_cache;
 };
 
diff --git a/src/gui/widgets/FloatModelEditorBase.cpp b/src/gui/widgets/FloatModelEditorBase.cpp
index 73a91a393..41fc31c4a 100644
--- a/src/gui/widgets/FloatModelEditorBase.cpp
+++ b/src/gui/widgets/FloatModelEditorBase.cpp
@@ -65,8 +65,7 @@ FloatModelEditorBase::FloatModelEditorBase(QWidget * _parent, const QString & _n
 	m_tdRenderer(nullptr),
 	m_volumeKnob( false ),
 	m_volumeRatio( 100.0, 0.0, 1000000.0 ),
-	m_buttonPressed( false ),
-	m_angle( -10 )
+	m_buttonPressed( false )
 {
 	initUi( _name );
 }
@@ -88,53 +87,6 @@ void FloatModelEditorBase::initUi( const QString & _name )
 
 
 
-void FloatModelEditorBase::setTotalAngle( float angle )
-{
-	if( angle < 10.0 )
-	{
-		m_totalAngle = 10.0;
-	}
-	else
-	{
-		m_totalAngle = angle;
-	}
-
-	update();
-}
-
-
-
-
-QLineF FloatModelEditorBase::calculateLine( const QPointF & _mid, float _radius, float _innerRadius ) const
-{
-	const float rarc = m_angle * F_PI / 180.0;
-	const float ca = cos( rarc );
-	const float sa = -sin( rarc );
-
-	return QLineF( _mid.x() - sa*_innerRadius, _mid.y() - ca*_innerRadius,
-					_mid.x() - sa*_radius, _mid.y() - ca*_radius );
-}
-
-
-
-bool FloatModelEditorBase::updateAngle()
-{
-	int angle = 0;
-	if( model() && model()->maxValue() != model()->minValue() )
-	{
-		angle = angleFromValue( model()->inverseScaledValue( model()->value() ), model()->minValue(), model()->maxValue(), m_totalAngle );
-	}
-	if( qAbs( angle - m_angle ) > 0 )
-	{
-		m_angle = angle;
-		return true;
-	}
-	return false;
-}
-
-
-
-
 float FloatModelEditorBase::getValue( const QPoint & _p )
 {
 	float value;