diff --git a/src/Mod/PartDesign/Gui/TaskLinearPatternParameters.cpp b/src/Mod/PartDesign/Gui/TaskLinearPatternParameters.cpp
index 8912cdd976..2b954d5cf8 100644
--- a/src/Mod/PartDesign/Gui/TaskLinearPatternParameters.cpp
+++ b/src/Mod/PartDesign/Gui/TaskLinearPatternParameters.cpp
@@ -97,7 +97,7 @@ void TaskLinearPatternParameters::setupParameterUI(QWidget* widget)
 
     dirLinks.setCombo(*(ui->comboDirection));
     App::DocumentObject* sketch = getSketchObject();
-    if (sketch && sketch->isDerivedFrom(Part::Part2DObject::getClassTypeId())) {
+    if (sketch && sketch->isDerivedFrom<Part::Part2DObject>()) {
         this->fillAxisCombo(dirLinks, static_cast<Part::Part2DObject*>(sketch));
     }
     else {
diff --git a/src/Mod/PartDesign/Gui/TaskMirroredParameters.cpp b/src/Mod/PartDesign/Gui/TaskMirroredParameters.cpp
index 2cb22c42d8..eb1dc448e9 100644
--- a/src/Mod/PartDesign/Gui/TaskMirroredParameters.cpp
+++ b/src/Mod/PartDesign/Gui/TaskMirroredParameters.cpp
@@ -78,7 +78,7 @@ void TaskMirroredParameters::setupParameterUI(QWidget* widget)
     ui->comboPlane->setEnabled(true);
 
     App::DocumentObject* sketch = getSketchObject();
-    if (sketch && sketch->isDerivedFrom(Part::Part2DObject::getClassTypeId())) {
+    if (sketch && sketch->isDerivedFrom<Part::Part2DObject>()) {
         this->fillPlanesCombo(planeLinks, static_cast<Part::Part2DObject*>(sketch));
     }
     else {
diff --git a/src/Mod/PartDesign/Gui/TaskPolarPatternParameters.cpp b/src/Mod/PartDesign/Gui/TaskPolarPatternParameters.cpp
index 2f772db673..e437ab90ef 100644
--- a/src/Mod/PartDesign/Gui/TaskPolarPatternParameters.cpp
+++ b/src/Mod/PartDesign/Gui/TaskPolarPatternParameters.cpp
@@ -98,7 +98,7 @@ void TaskPolarPatternParameters::setupParameterUI(QWidget* widget)
 
     this->axesLinks.setCombo(*(ui->comboAxis));
     App::DocumentObject* sketch = getSketchObject();
-    if (sketch && sketch->isDerivedFrom(Part::Part2DObject::getClassTypeId())) {
+    if (sketch && sketch->isDerivedFrom<Part::Part2DObject>()) {
         this->fillAxisCombo(axesLinks, static_cast<Part::Part2DObject*>(sketch));
     }
     else {
diff --git a/src/Mod/PartDesign/Gui/TaskTransformedParameters.cpp b/src/Mod/PartDesign/Gui/TaskTransformedParameters.cpp
index 15c6027a75..d2045b6b57 100644
--- a/src/Mod/PartDesign/Gui/TaskTransformedParameters.cpp
+++ b/src/Mod/PartDesign/Gui/TaskTransformedParameters.cpp
@@ -205,7 +205,7 @@ bool TaskTransformedParameters::originalSelected(const Gui::SelectionChanges& ms
         PartDesign::Transformed* pcTransformed = getObject();
         App::DocumentObject* selectedObject =
             pcTransformed->getDocument()->getObject(msg.pObjectName);
-        if (selectedObject->isDerivedFrom(PartDesign::FeatureAddSub::getClassTypeId())) {
+        if (selectedObject->isDerivedFrom<PartDesign::FeatureAddSub>()) {
 
             // Do the same like in TaskDlgTransformedParameters::accept() but without doCommand
             std::vector<App::DocumentObject*> originals = pcTransformed->Originals.getValues();
@@ -298,7 +298,7 @@ void TaskTransformedParameters::checkVisibility()
     auto inset = feat->getInListEx(true);
     inset.emplace(feat);
     for (auto obj : body->Group.getValues()) {
-        if (!obj->Visibility.getValue() || !obj->isDerivedFrom(PartDesign::Feature::getClassTypeId())) {
+        if (!obj->Visibility.getValue() || !obj->isDerivedFrom<PartDesign::Feature>()) {
             continue;
         }
         if (inset.count(obj) > 0) {
@@ -441,7 +441,7 @@ PartDesign::Transformed* TaskTransformedParameters::getTopTransformedObject() co
     }
 
     App::DocumentObject* transform = vp->getObject();
-    assert(transform->isDerivedFrom(PartDesign::Transformed::getClassTypeId()));
+    assert(transform->isDerivedFrom<PartDesign::Transformed>());
     return static_cast<PartDesign::Transformed*>(transform);
 }