diff --git a/Code/Wrappers/QtWidget/otbWrapperQtWidgetFloatParameter.cxx b/Code/Wrappers/QtWidget/otbWrapperQtWidgetFloatParameter.cxx
index a01953cfecb8cf47768e9217c9077f656ff360c1..714d39d855f4a595e9b4d22e9a4b61b6e3213849 100644
--- a/Code/Wrappers/QtWidget/otbWrapperQtWidgetFloatParameter.cxx
+++ b/Code/Wrappers/QtWidget/otbWrapperQtWidgetFloatParameter.cxx
@@ -67,7 +67,7 @@ void QtWidgetFloatParameter::DoCreateWidget()
 
   connect( m_QDoubleSpinBox, SIGNAL(valueChanged(double)), this, SLOT(SetValue(double)) );
   connect( m_QDoubleSpinBox, SIGNAL(valueChanged(double)), GetModel(), SLOT(NotifyUpdate()) );
-  connect( GetModel(), SIGNAL(UpdateGui()), this, SLOT(SetUpdateGui() ) );
+  connect( GetModel(), SIGNAL(UpdateGui()), this, SLOT(UpdateGUI() ) );
 
   m_QHBoxLayout->addWidget(m_QDoubleSpinBox);
   m_QHBoxLayout->addStretch();
@@ -76,11 +76,6 @@ void QtWidgetFloatParameter::DoCreateWidget()
 
 }
 
-void QtWidgetFloatParameter::SetUpdateGui()
-{
-  this->DoUpdateGUI();
-}
-
 void QtWidgetFloatParameter::SetValue(double value)
 {
   m_FloatParam->SetValue( static_cast<float>(value) );
diff --git a/Code/Wrappers/QtWidget/otbWrapperQtWidgetFloatParameter.h b/Code/Wrappers/QtWidget/otbWrapperQtWidgetFloatParameter.h
index 71d944a801d566e6fc52c38bbf52dbc33e0a17cf..6864f017334aa2fb589a2beb745796dd3e957a1f 100644
--- a/Code/Wrappers/QtWidget/otbWrapperQtWidgetFloatParameter.h
+++ b/Code/Wrappers/QtWidget/otbWrapperQtWidgetFloatParameter.h
@@ -39,7 +39,6 @@ public:
 
 protected slots:
   void SetValue( double value );
-  void SetUpdateGui();
 
 private:
   QtWidgetFloatParameter(const QtWidgetFloatParameter&); //purposely not implemented
diff --git a/Code/Wrappers/QtWidget/otbWrapperQtWidgetIntParameter.cxx b/Code/Wrappers/QtWidget/otbWrapperQtWidgetIntParameter.cxx
index e4e51e414472f7b74446c184a53efe623dfadd00..c081e53356add03796bd58f16b9ec6e9d4ea8cbb 100644
--- a/Code/Wrappers/QtWidget/otbWrapperQtWidgetIntParameter.cxx
+++ b/Code/Wrappers/QtWidget/otbWrapperQtWidgetIntParameter.cxx
@@ -45,7 +45,7 @@ void QtWidgetIntParameter::DoCreateWidget()
 
   connect( m_QSpinBox, SIGNAL(valueChanged(int)), this, SLOT(SetValue(int)) );
   connect( m_QSpinBox, SIGNAL(valueChanged(int)), GetModel(), SLOT(NotifyUpdate()) );
-  connect( GetModel(), SIGNAL(UpdateGui()), this, SLOT(SetUpdateGui() ) );
+  connect( GetModel(), SIGNAL(UpdateGui()), this, SLOT(UpdateGUI() ) );
 
   m_QHBoxLayout->addWidget(m_QSpinBox);
   m_QHBoxLayout->addStretch();
@@ -53,11 +53,6 @@ void QtWidgetIntParameter::DoCreateWidget()
   this->setLayout(m_QHBoxLayout);
 }
 
-void QtWidgetIntParameter::SetUpdateGui()
-{
-  this->DoUpdateGUI();
-}
-
 void QtWidgetIntParameter::DoUpdateGUI()
 {
   bool signalsBlocked = m_QSpinBox->blockSignals( true );
diff --git a/Code/Wrappers/QtWidget/otbWrapperQtWidgetIntParameter.h b/Code/Wrappers/QtWidget/otbWrapperQtWidgetIntParameter.h
index 9d38604896c706ac8adc9d94f53bb56734474672..b4090c4a4e61e4d2afdb13c98f4bdb1fd2ea2426 100644
--- a/Code/Wrappers/QtWidget/otbWrapperQtWidgetIntParameter.h
+++ b/Code/Wrappers/QtWidget/otbWrapperQtWidgetIntParameter.h
@@ -40,7 +40,6 @@ public:
 
 protected slots:
   void SetValue( int value );
-  void SetUpdateGui();
 
 private:
   QtWidgetIntParameter(const QtWidgetIntParameter&); //purposely not implemented