diff --git a/src/Mod/Fem/Gui/ViewProviderFemPostObject.cpp b/src/Mod/Fem/Gui/ViewProviderFemPostObject.cpp
index 55aded5af5..1054626089 100644
--- a/src/Mod/Fem/Gui/ViewProviderFemPostObject.cpp
+++ b/src/Mod/Fem/Gui/ViewProviderFemPostObject.cpp
@@ -276,11 +276,16 @@ ViewProviderFemPostObject::~ViewProviderFemPostObject()
     m_material->unref();
     m_matPlainEdges->unref();
     m_switchMatEdges->unref();
+    deleteColorBar();
+    m_colorStyle->unref();
+    m_colorRoot->unref();
+}
+
+void ViewProviderFemPostObject::deleteColorBar()
+{
     Gui::SoFCColorBarNotifier::instance().detach(m_colorBar);
     m_colorBar->Detach(this);
     m_colorBar->unref();
-    m_colorStyle->unref();
-    m_colorRoot->unref();
 }
 
 void ViewProviderFemPostObject::attach(App::DocumentObject* pcObj)
@@ -319,8 +324,7 @@ void ViewProviderFemPostObject::attach(App::DocumentObject* pcObj)
         pcBar->ref();
         pcBar->setRange(fMin, fMax, 3);
         pcBar->Notify(0);
-        m_colorBar->Detach(this);
-        m_colorBar->unref();
+        deleteColorBar();
         m_colorBar = pcBar;
     }
 
diff --git a/src/Mod/Fem/Gui/ViewProviderFemPostObject.h b/src/Mod/Fem/Gui/ViewProviderFemPostObject.h
index c70206c9b8..d86373ec79 100644
--- a/src/Mod/Fem/Gui/ViewProviderFemPostObject.h
+++ b/src/Mod/Fem/Gui/ViewProviderFemPostObject.h
@@ -171,6 +171,7 @@ private:
     void WriteColorData(bool ResetColorBarRange);
     void WriteTransparency();
     void addAbsoluteField(vtkDataSet* dset, std::string FieldName);
+    void deleteColorBar();
 
     App::Enumeration m_coloringEnum, m_vectorEnum;
     bool m_blockPropertyChanges {false};
diff --git a/src/Mod/Inspection/Gui/ViewProviderInspection.cpp b/src/Mod/Inspection/Gui/ViewProviderInspection.cpp
index 17ab772a10..4dd4d784b3 100644
--- a/src/Mod/Inspection/Gui/ViewProviderInspection.cpp
+++ b/src/Mod/Inspection/Gui/ViewProviderInspection.cpp
@@ -115,9 +115,7 @@ ViewProviderInspection::~ViewProviderInspection()
     pcCoords->unref();
     pcMatBinding->unref();
     pcColorMat->unref();
-    Gui::SoFCColorBarNotifier::instance().detach(pcColorBar);
-    pcColorBar->Detach(this);
-    pcColorBar->unref();
+    deleteColorBar();
     pcLinkRoot->unref();
     pcPointStyle->unref();
 }
@@ -150,6 +148,13 @@ void ViewProviderInspection::show()
     pcColorStyle->style = SoDrawStyle::FILLED;
 }
 
+void ViewProviderInspection::deleteColorBar()
+{
+    Gui::SoFCColorBarNotifier::instance().detach(pcColorBar);
+    pcColorBar->Detach(this);
+    pcColorBar->unref();
+}
+
 void ViewProviderInspection::attach(App::DocumentObject* pcFeat)
 {
     // creates the standard viewing modes
@@ -185,8 +190,7 @@ void ViewProviderInspection::attach(App::DocumentObject* pcFeat)
         pcBar->ref();
         pcBar->setRange(fMin, fMax, 3);
         pcBar->Notify(0);
-        pcColorBar->Detach(this);
-        pcColorBar->unref();
+        deleteColorBar();
         pcColorBar = pcBar;
     }
 
diff --git a/src/Mod/Inspection/Gui/ViewProviderInspection.h b/src/Mod/Inspection/Gui/ViewProviderInspection.h
index ad7df2d015..f311da9b45 100644
--- a/src/Mod/Inspection/Gui/ViewProviderInspection.h
+++ b/src/Mod/Inspection/Gui/ViewProviderInspection.h
@@ -94,8 +94,9 @@ private:
     void setupNormals(const std::vector<Base::Vector3f>&);
     void setupLineIndexes(const std::vector<Data::ComplexGeoData::Line>&);
     void setupFaceIndexes(const std::vector<Data::ComplexGeoData::Facet>&);
+    void deleteColorBar();
 
-protected:
+private:
     SoMaterial* pcColorMat;
     SoMaterialBinding* pcMatBinding;
     SoGroup* pcLinkRoot;
diff --git a/src/Mod/Mesh/Gui/ViewProviderCurvature.cpp b/src/Mod/Mesh/Gui/ViewProviderCurvature.cpp
index 989a39f7db..d01d1b1068 100644
--- a/src/Mod/Mesh/Gui/ViewProviderCurvature.cpp
+++ b/src/Mod/Mesh/Gui/ViewProviderCurvature.cpp
@@ -126,9 +126,7 @@ ViewProviderMeshCurvature::~ViewProviderMeshCurvature()
 {
     pcColorRoot->unref();
     pcColorMat->unref();
-    Gui::SoFCColorBarNotifier::instance().detach(pcColorBar);
-    pcColorBar->Detach(this);
-    pcColorBar->unref();
+    deleteColorBar();
     pcLinkRoot->unref();
 }
 
@@ -237,12 +235,19 @@ void ViewProviderMeshCurvature::slotChangedObject(const App::DocumentObject& Obj
             const Mesh::MeshObject& kernel = mesh.getValue();
             pcColorMat->diffuseColor.setNum((int)kernel.countPoints());
             pcColorMat->transparency.setNum((int)kernel.countPoints());
-            static_cast<Mesh::Curvature*>(pcObject)
-                ->Source.touch();  // make sure to recompute the feature
+            // make sure to recompute the feature
+            static_cast<Mesh::Curvature*>(pcObject)->Source.touch();
         }
     }
 }
 
+void ViewProviderMeshCurvature::deleteColorBar()
+{
+    Gui::SoFCColorBarNotifier::instance().detach(pcColorBar);
+    pcColorBar->Detach(this);
+    pcColorBar->unref();
+}
+
 void ViewProviderMeshCurvature::attach(App::DocumentObject* pcFeat)
 {
     // creates the standard viewing modes
@@ -281,8 +286,7 @@ void ViewProviderMeshCurvature::attach(App::DocumentObject* pcFeat)
         pcBar->ref();
         pcBar->setRange(fMin, fMax, 3);
         pcBar->Notify(0);
-        pcColorBar->Detach(this);
-        pcColorBar->unref();
+        deleteColorBar();
         pcColorBar = pcBar;
     }
 
diff --git a/src/Mod/Mesh/Gui/ViewProviderCurvature.h b/src/Mod/Mesh/Gui/ViewProviderCurvature.h
index c30fba3667..f015e4a16d 100644
--- a/src/Mod/Mesh/Gui/ViewProviderCurvature.h
+++ b/src/Mod/Mesh/Gui/ViewProviderCurvature.h
@@ -114,7 +114,7 @@ protected:
 
 private:
     void init(const Mesh::PropertyCurvatureList* prop);
-
+    void deleteColorBar();
     void slotChangedObject(const App::DocumentObject& Obj, const App::Property& Prop) override;
 
 private: