diff --git a/src/slic3r/GUI/GUI_ObjectList.cpp b/src/slic3r/GUI/GUI_ObjectList.cpp
index d302bf5a84..4c86b146e7 100644
--- a/src/slic3r/GUI/GUI_ObjectList.cpp
+++ b/src/slic3r/GUI/GUI_ObjectList.cpp
@@ -239,6 +239,7 @@ ObjectList::ObjectList(wxWindow* parent) :
 
 ObjectList::~ObjectList()
 {
+    delete m_objects_model;
 }
 
 void ObjectList::set_min_height()
diff --git a/src/slic3r/GUI/GUI_ObjectList.hpp b/src/slic3r/GUI/GUI_ObjectList.hpp
index 51d69eaee5..b9b816b7be 100644
--- a/src/slic3r/GUI/GUI_ObjectList.hpp
+++ b/src/slic3r/GUI/GUI_ObjectList.hpp
@@ -191,7 +191,7 @@ private:
 
 public:
     ObjectList(wxWindow* parent);
-    ~ObjectList();
+    ~ObjectList() override;
 
     void set_min_height();
     void update_min_height();