diff --git a/src/Gui/ViewProviderPythonFeature.cpp b/src/Gui/ViewProviderPythonFeature.cpp
index 05fadc1c6..b6fbe0ec7 100644
--- a/src/Gui/ViewProviderPythonFeature.cpp
+++ b/src/Gui/ViewProviderPythonFeature.cpp
@@ -670,6 +670,46 @@ void ViewProviderPythonFeatureImp::finishRestoring()
     }
 }
 
+bool ViewProviderPythonFeatureImp::onDelete(const std::vector<std::string> & sub)
+{
+    Base::PyGILStateLocker lock;
+    try {
+        App::Property* proxy = object->getPropertyByName("Proxy");
+        if (proxy && proxy->getTypeId() == App::PropertyPythonObject::getClassTypeId()) {
+            Py::Object vp = static_cast<App::PropertyPythonObject*>(proxy)->getValue();
+            if (vp.hasAttr(std::string("onDelete"))) {
+                Py::Tuple seq(sub.size());
+                int index=0;
+                for (std::vector<std::string>::const_iterator it = sub.begin(); it != sub.end(); ++it) {
+                    seq.setItem(index++, Py::String(*it));
+                }
+
+                if (vp.hasAttr("__object__")) {
+                    Py::Callable method(vp.getAttr(std::string("onDelete")));
+                    Py::Tuple args(1);
+                    args.setItem(0, seq);
+                    Py::Boolean ok(method.apply(args));
+                    return (bool)ok;
+                }
+                else {
+                    Py::Callable method(vp.getAttr(std::string("onDelete")));
+                    Py::Tuple args(2);
+                    args.setItem(0, Py::Object(object->getPyObject(), true));
+                    args.setItem(1, seq);
+                    Py::Boolean ok(method.apply(args));
+                    return (bool)ok;
+                }
+            }
+        }
+    }
+    catch (Py::Exception&) {
+        Base::PyException e; // extract the Python error text
+        e.ReportException();
+    }
+
+    return true;
+}
+
 const char* ViewProviderPythonFeatureImp::getDefaultDisplayMode() const
 {
     // Run the getDefaultDisplayMode method of the proxy object.
diff --git a/src/Gui/ViewProviderPythonFeature.h b/src/Gui/ViewProviderPythonFeature.h
index a845f2f46..193942838 100644
--- a/src/Gui/ViewProviderPythonFeature.h
+++ b/src/Gui/ViewProviderPythonFeature.h
@@ -62,6 +62,7 @@ public:
     void onChanged(const App::Property* prop);
     void startRestoring();
     void finishRestoring();
+    bool onDelete(const std::vector<std::string> & sub);
     //@}
 
     /** @name Display methods */
@@ -156,6 +157,11 @@ public:
     virtual void getTaskViewContent(std::vector<Gui::TaskView::TaskContent*>& c) const {
         ViewProviderT::getTaskViewContent(c);
     }
+    virtual bool onDelete(const std::vector<std::string> & sub) {
+        bool ok = imp->onDelete(sub);
+        if (!ok) return ok;
+        return ViewProviderT::onDelete(sub);
+    }
     //@}
 
     /** @name Restoring view provider from document load */