diff --git a/src/Gui/ViewProviderLine.cpp b/src/Gui/ViewProviderLine.cpp
index 6294d73bf9..bdae7a5f8b 100644
--- a/src/Gui/ViewProviderLine.cpp
+++ b/src/Gui/ViewProviderLine.cpp
@@ -68,13 +68,11 @@ void ViewProviderLine::attach ( App::DocumentObject *obj ) {
     sep->addChild ( pCoords );
 
     SoIndexedLineSet *pLines  = new SoIndexedLineSet ();
-    pLines->ref();
     pLines->coordIndex.setNum(3);
     pLines->coordIndex.setValues(0, 3, lines);
     sep->addChild ( pLines );
 
     SoTranslation *textTranslation = new SoTranslation ();
-    textTranslation->ref ();
     textTranslation->translation.setValue ( SbVec3f ( -size * 49. / 50., size / 30., 0 ) );
     sep->addChild ( textTranslation );
 
diff --git a/src/Gui/ViewProviderPlane.cpp b/src/Gui/ViewProviderPlane.cpp
index c93e1b8fd9..02fa1b550e 100644
--- a/src/Gui/ViewProviderPlane.cpp
+++ b/src/Gui/ViewProviderPlane.cpp
@@ -70,13 +70,11 @@ void ViewProviderPlane::attach ( App::DocumentObject *obj ) {
     sep->addChild ( pCoords );
 
     SoIndexedLineSet *pLines  = new SoIndexedLineSet ();
-    pLines->ref();
     pLines->coordIndex.setNum(6);
     pLines->coordIndex.setValues(0, 6, lines);
     sep->addChild ( pLines );
 
     SoTranslation *textTranslation = new SoTranslation ();
-    textTranslation->ref ();
     textTranslation->translation.setValue ( SbVec3f ( -size * 49. / 50., size * 9./10., 0 ) );
     sep->addChild ( textTranslation );
 
diff --git a/src/Mod/Part/App/PropertyGeometryList.cpp b/src/Mod/Part/App/PropertyGeometryList.cpp
index 432d3610df..3061c3d60d 100644
--- a/src/Mod/Part/App/PropertyGeometryList.cpp
+++ b/src/Mod/Part/App/PropertyGeometryList.cpp
@@ -226,7 +226,7 @@ void PropertyGeometryList::Restore(Base::XMLReader &reader)
     reader.readEndElement("GeometryList");
 
     // assignment
-    setValues(values);
+    setValues(std::move(values));
 }
 
 App::Property *PropertyGeometryList::Copy(void) const