diff --git a/src/Mod/TechDraw/App/CenterLine.cpp b/src/Mod/TechDraw/App/CenterLine.cpp
index 5f3f48627b..71501f7070 100644
--- a/src/Mod/TechDraw/App/CenterLine.cpp
+++ b/src/Mod/TechDraw/App/CenterLine.cpp
@@ -1093,14 +1093,6 @@ void CenterLine::createNewTag()
     tag = gen();
 }
 
-void CenterLine::assignTag(const TechDraw::CenterLine* ce)
-{
-    if(ce->getTypeId() == this->getTypeId())
-        this->tag = ce->tag;
-    else
-        throw Base::TypeError("CenterLine tag can not be assigned as types do not match.");
-}
-
 CenterLine *CenterLine::clone() const
 {
     CenterLine* cpy = this->copy();
diff --git a/src/Mod/TechDraw/App/CenterLine.h b/src/Mod/TechDraw/App/CenterLine.h
index 2c54fb8b19..8c87a32342 100644
--- a/src/Mod/TechDraw/App/CenterLine.h
+++ b/src/Mod/TechDraw/App/CenterLine.h
@@ -183,7 +183,6 @@ protected:
     void initialize();
 
     void createNewTag();
-    void assignTag(const TechDraw::CenterLine* cl);
 
     boost::uuids::uuid tag;
 
diff --git a/src/Mod/TechDraw/App/Cosmetic.cpp b/src/Mod/TechDraw/App/Cosmetic.cpp
index 7ff83c29c6..fc9d2511ac 100644
--- a/src/Mod/TechDraw/App/Cosmetic.cpp
+++ b/src/Mod/TechDraw/App/Cosmetic.cpp
@@ -328,14 +328,6 @@ void CosmeticEdge::createNewTag()
     tag = gen();
 }
 
-void CosmeticEdge::assignTag(const TechDraw::CosmeticEdge* ce)
-{
-    if(ce->getTypeId() == this->getTypeId())
-        this->tag = ce->tag;
-    else
-        throw Base::TypeError("CosmeticEdge tag can not be assigned as types do not match.");
-}
-
 CosmeticEdge* CosmeticEdge::clone() const
 {
     Base::Console().Message("CE::clone()\n");
@@ -504,14 +496,6 @@ void GeomFormat::createNewTag()
     tag = gen();
 }
 
-void GeomFormat::assignTag(const TechDraw::GeomFormat* ce)
-{
-    if(ce->getTypeId() == this->getTypeId())
-        this->tag = ce->tag;
-    else
-        throw Base::TypeError("GeomFormat tag can not be assigned as types do not match.");
-}
-
 GeomFormat *GeomFormat::clone() const
 {
     GeomFormat* cpy = this->copy();
diff --git a/src/Mod/TechDraw/App/Cosmetic.h b/src/Mod/TechDraw/App/Cosmetic.h
index 2a8085fbca..c1ac1c0431 100644
--- a/src/Mod/TechDraw/App/Cosmetic.h
+++ b/src/Mod/TechDraw/App/Cosmetic.h
@@ -87,7 +87,6 @@ public:
 protected:
     //Uniqueness
     void createNewTag();
-    void assignTag(const TechDraw::CosmeticEdge* ce);
     boost::uuids::uuid tag;
 
     Py::Object PythonObject;
@@ -130,7 +129,6 @@ public:
 
 protected:
     void createNewTag();
-    void assignTag(const TechDraw::GeomFormat* gf);
 
     boost::uuids::uuid tag;
     Py::Object PythonObject;
diff --git a/src/Mod/TechDraw/App/CosmeticVertex.cpp b/src/Mod/TechDraw/App/CosmeticVertex.cpp
index e2ffe27b47..893405557a 100644
--- a/src/Mod/TechDraw/App/CosmeticVertex.cpp
+++ b/src/Mod/TechDraw/App/CosmeticVertex.cpp
@@ -255,14 +255,6 @@ void CosmeticVertex::createNewTag()
     tag = gen();
 }
 
-void CosmeticVertex::assignTag(const TechDraw::CosmeticVertex* cv)
-{
-    if(cv->getTypeId() == this->getTypeId())
-        this->tag = cv->tag;
-    else
-        throw Base::TypeError("CosmeticVertex tag can not be assigned as types do not match.");
-}
-
 CosmeticVertex* CosmeticVertex::copy() const
 {
 //    Base::Console().Message("CV::copy()\n");
diff --git a/src/Mod/TechDraw/App/CosmeticVertex.h b/src/Mod/TechDraw/App/CosmeticVertex.h
index 1f44f7c2a5..06e2b23482 100644
--- a/src/Mod/TechDraw/App/CosmeticVertex.h
+++ b/src/Mod/TechDraw/App/CosmeticVertex.h
@@ -84,7 +84,6 @@ public:
 protected:
     //Uniqueness
     void createNewTag();
-    void assignTag(const TechDraw::CosmeticVertex* cv);
 
     boost::uuids::uuid tag;
 
diff --git a/src/Mod/TechDraw/App/Geometry.h b/src/Mod/TechDraw/App/Geometry.h
index 6ee4ce1ba3..45190e0264 100644
--- a/src/Mod/TechDraw/App/Geometry.h
+++ b/src/Mod/TechDraw/App/Geometry.h
@@ -414,7 +414,6 @@ class TechDrawExport Vertex
     protected:
         //Uniqueness
         void createNewTag();
-        void assignTag(const TechDraw::Vertex* v);
 
         Base::Vector3d pnt;
         ExtractionType extractType;       //obs?