diff --git a/synfig-core/src/synfig/rendering/primitive/intersector.cpp b/synfig-core/src/synfig/rendering/primitive/intersector.cpp
index 474c3ed..0242b9f 100644
--- a/synfig-core/src/synfig/rendering/primitive/intersector.cpp
+++ b/synfig-core/src/synfig/rendering/primitive/intersector.cpp
@@ -404,6 +404,11 @@ public:
 Intersector::Intersector()
 	{ clear(); }
 
+// destroying of MonoSegmentList and CurveArrayList
+// can be done only in this .cpp file
+Intersector::~Intersector()
+	{ }
+
 void
 Intersector::clear()
 {
diff --git a/synfig-core/src/synfig/rendering/primitive/intersector.h b/synfig-core/src/synfig/rendering/primitive/intersector.h
index a634ea9..3f591f8 100644
--- a/synfig-core/src/synfig/rendering/primitive/intersector.h
+++ b/synfig-core/src/synfig/rendering/primitive/intersector.h
@@ -82,6 +82,7 @@ private:
 
 public:
 	Intersector();
+	~Intersector();
 	void clear();
 
 	inline bool closed() const