diff --git a/src/app/tools/vdatatool.h b/src/app/tools/vdatatool.h
index b06c1dbca..887a74fd2 100644
--- a/src/app/tools/vdatatool.h
+++ b/src/app/tools/vdatatool.h
@@ -74,8 +74,6 @@ inline VContainer VDataTool::getData() const
  */
 inline void VDataTool::setData(const VContainer *value)
 {
-    data.ClearVariables();
-    data.ClearGObjects();
     data = *value;
 }
 
diff --git a/src/app/tools/vtooluniondetails.cpp b/src/app/tools/vtooluniondetails.cpp
index 48fdbb6a5..7eb134cc3 100644
--- a/src/app/tools/vtooluniondetails.cpp
+++ b/src/app/tools/vtooluniondetails.cpp
@@ -184,6 +184,9 @@ void VToolUnionDetails::AddToNewDetail(QObject *tool, VPattern *doc, VContainer
                 spl1->setMode(Draw::Modeling);
                 id = data->AddGObject(spl1);
                 VNodeSpline::Create(doc, data, id, idObject, Document::FullParse, Source::FromGui, idTool, tool);
+
+                delete p4;
+                delete p1;
             }
         }
         break;
@@ -231,8 +234,10 @@ void VToolUnionDetails::AddToNewDetail(QObject *tool, VPattern *doc, VContainer
                         path->append(VSplinePoint(*p1, splinePath->at(i-1).KAsm1(), spl.GetAngle1()+180,
                                                   splinePath->at(i-1).KAsm2(), spl.GetAngle1()));
                     }
-                        path->append(VSplinePoint(*p4, splinePath->at(i).KAsm1(), spl.GetAngle2(),
-                                                  splinePath->at(i).KAsm2(), spl.GetAngle2()+180));
+                    path->append(VSplinePoint(*p4, splinePath->at(i).KAsm1(), spl.GetAngle2(),
+                                              splinePath->at(i).KAsm2(), spl.GetAngle2()+180));
+                    delete p4;
+                    delete p1;
                 }
                 while (k>=0)
                 {
@@ -391,8 +396,8 @@ void VToolUnionDetails::UpdatePoints(const quint32 &idDetail, VContainer *data,
                         path->append(VSplinePoint(*p1, splinePath->at(i-1).KAsm1(), spl.GetAngle1()+180,
                                                   splinePath->at(i-1).KAsm2(), spl.GetAngle1()));
                     }
-                        path->append(VSplinePoint(*p4, splinePath->at(i).KAsm1(), spl.GetAngle2(),
-                                                  splinePath->at(i).KAsm2(), spl.GetAngle2()+180));
+                    path->append(VSplinePoint(*p4, splinePath->at(i).KAsm1(), spl.GetAngle2(),
+                                              splinePath->at(i).KAsm2(), spl.GetAngle2()+180));
                 }
 
                 while (k>=0)
diff --git a/src/libs/vpropertyexplorer/vproperty.cpp b/src/libs/vpropertyexplorer/vproperty.cpp
index 2b185a256..836cd0415 100644
--- a/src/libs/vpropertyexplorer/vproperty.cpp
+++ b/src/libs/vpropertyexplorer/vproperty.cpp
@@ -417,3 +417,6 @@ void VProperty::ValueChildChanged(const QVariant &value, int typeForParent)
 
 UserChangeEvent::~UserChangeEvent()
 {}
+
+VPE::VPropertyPrivate::~VPropertyPrivate()
+{}
diff --git a/src/libs/vpropertyexplorer/vproperty_p.h b/src/libs/vpropertyexplorer/vproperty_p.h
index b91fc4fc6..db04d39e0 100644
--- a/src/libs/vpropertyexplorer/vproperty_p.h
+++ b/src/libs/vpropertyexplorer/vproperty_p.h
@@ -80,6 +80,8 @@ public:
           UpdateParent(false), UpdateChildren(false), Parent(nullptr), editor(nullptr), type(Property::Simple),
           Children(QList<VProperty*>())
     {}
+
+    virtual ~VPropertyPrivate();
 private:
     Q_DISABLE_COPY(VPropertyPrivate)
 };