diff --git a/src/Mod/TechDraw/App/CosmeticExtension.cpp b/src/Mod/TechDraw/App/CosmeticExtension.cpp
index 0d9c9ec446..6f835d0ce1 100644
--- a/src/Mod/TechDraw/App/CosmeticExtension.cpp
+++ b/src/Mod/TechDraw/App/CosmeticExtension.cpp
@@ -66,16 +66,17 @@ TechDraw::DrawViewPart*  CosmeticExtension::getOwner()
 void CosmeticExtension::deleteCosmeticElements(std::vector<std::string> removables)
 {
     // Base::Console().Message("CEx::deleteCosmeticElements(%d removables)\n", removables.size());
+    DrawViewPart* viewPart = getOwner();
     for (auto& name : removables) {
         if (DU::getGeomTypeFromName(name) == "Vertex" &&
-         DU::isCosmeticVertex(getOwner(), name)) {
+         viewPart->isCosmeticVertex(name)) {
          CosmeticVertex* vert = getCosmeticVertexBySelection(name);
          removeCosmeticVertex(vert->getTagAsString());
          continue;
         }
         if (DU::getGeomTypeFromName(name) == "Edge" &&
-         ( DU::isCosmeticEdge(getOwner(), name)  ||
-           DU::isCenterLine(getOwner(), name) ) ) {
+         ( viewPart->isCosmeticEdge(name)  ||
+           viewPart->isCenterLine(name))) {
              CosmeticEdge* edge = getCosmeticEdgeBySelection(name);
              if (edge) {
                  // if not edge, something has gone very wrong!
diff --git a/src/Mod/TechDraw/App/DrawUtil.cpp b/src/Mod/TechDraw/App/DrawUtil.cpp
index b3ca7edba7..b09ab5d22f 100644
--- a/src/Mod/TechDraw/App/DrawUtil.cpp
+++ b/src/Mod/TechDraw/App/DrawUtil.cpp
@@ -1859,40 +1859,6 @@ std::string DrawUtil::translateArbitrary(std::string context, std::string baseNa
     return qTranslated.toStdString() + suffix;
 }
 
-// true if owner->element is a cosmetic vertex
-bool DrawUtil::isCosmeticVertex(App::DocumentObject* owner, std::string element)
-{
-    auto ownerView = static_cast<TechDraw::DrawViewPart*>(owner);
-    auto vertexIndex = DrawUtil::getIndexFromName(element);
-    auto vertex = ownerView->getProjVertexByIndex(vertexIndex);
-    if (vertex) {
-        return vertex->getCosmetic();
-    }
-    return false;
-}
-
-// true if owner->element is a cosmetic edge
-bool DrawUtil::isCosmeticEdge(App::DocumentObject* owner, std::string element)
-{
-    auto ownerView = static_cast<TechDraw::DrawViewPart*>(owner);
-    auto edge = ownerView->getEdge(element);
-    if (edge && edge->source() == SourceType::COSMETICEDGE && edge->getCosmetic()) {
-        return true;
-    }
-    return false;
-}
-
-// true if owner->element is a center line
-bool DrawUtil::isCenterLine(App::DocumentObject* owner, std::string element)
-{
-    auto ownerView = static_cast<TechDraw::DrawViewPart*>(owner);
-    auto edge = ownerView->getEdge(element);
-    if (edge && edge->source() == SourceType::CENTERLINE && edge->getCosmetic()) {
-        return true;
-    }
-    return false;
-}
-
 //! convert a filespec (string) containing '\' to only use '/'.
 //! prevents situation where '\' is interpreted as an escape of the next character in Python
 //! commands.
diff --git a/src/Mod/TechDraw/App/DrawUtil.h b/src/Mod/TechDraw/App/DrawUtil.h
index 95e61017e4..bcded6a3c5 100644
--- a/src/Mod/TechDraw/App/DrawUtil.h
+++ b/src/Mod/TechDraw/App/DrawUtil.h
@@ -247,10 +247,6 @@ public:
 
     static std::string translateArbitrary(std::string context, std::string baseName, std::string uniqueName);
 
-    static bool isCosmeticVertex(App::DocumentObject* owner, std::string element);
-    static bool isCosmeticEdge(App::DocumentObject* owner, std::string element);
-    static bool isCenterLine(App::DocumentObject* owner, std::string element);
-
     static Base::Vector3d  toAppSpace(const DrawViewPart& dvp, const Base::Vector3d& inPoint);
     static Base::Vector3d  toAppSpace(const DrawViewPart& dvp, const QPointF& inPoint);
 
diff --git a/src/Mod/TechDraw/App/DrawViewPart.cpp b/src/Mod/TechDraw/App/DrawViewPart.cpp
index dcc6a31333..48ef38fde2 100644
--- a/src/Mod/TechDraw/App/DrawViewPart.cpp
+++ b/src/Mod/TechDraw/App/DrawViewPart.cpp
@@ -1501,6 +1501,37 @@ void DrawViewPart::handleChangedPropertyType(Base::XMLReader &reader, const char
     }
 }
 
+// true if owner->element is a cosmetic vertex
+bool DrawViewPart::isCosmeticVertex(const std::string& element)
+{
+    auto vertexIndex = DrawUtil::getIndexFromName(element);
+    auto vertex = getProjVertexByIndex(vertexIndex);
+    if (vertex) {
+        return vertex->getCosmetic();
+    }
+    return false;
+}
+
+// true if owner->element is a cosmetic edge
+bool DrawViewPart::isCosmeticEdge(const std::string& element)
+{
+    auto edge = getEdge(element);
+    if (edge && edge->source() == SourceType::COSMETICEDGE && edge->getCosmetic()) {
+        return true;
+    }
+    return false;
+}
+
+// true if owner->element is a center line
+bool DrawViewPart::isCenterLine(const std::string& element)
+{
+    auto edge = getEdge(element);
+    if (edge && edge->source() == SourceType::CENTERLINE && edge->getCosmetic()) {
+        return true;
+    }
+    return false;
+}
+
 // debugging ----------------------------------------------------------------------------
 
 void DrawViewPart::dumpVerts(std::string text)
diff --git a/src/Mod/TechDraw/App/DrawViewPart.h b/src/Mod/TechDraw/App/DrawViewPart.h
index 71f5da4b6e..c1bf992e5c 100644
--- a/src/Mod/TechDraw/App/DrawViewPart.h
+++ b/src/Mod/TechDraw/App/DrawViewPart.h
@@ -239,6 +239,10 @@ public:
     virtual bool waitingForResult() const;
     void progressValueChanged(int v);
 
+    bool isCosmeticVertex(const std::string& element);
+    bool isCosmeticEdge(const std::string& element);
+    bool isCenterLine(const std::string& element);
+
 public Q_SLOTS:
     void onHlrFinished(void);
     void onFacesFinished(void);