diff --git a/src/xrServerEntities/xrServer_Objects_Abstract.h b/src/xrServerEntities/xrServer_Objects_Abstract.h
index a19ea2dcf80..2eb3a33abbd 100644
--- a/src/xrServerEntities/xrServer_Objects_Abstract.h
+++ b/src/xrServerEntities/xrServer_Objects_Abstract.h
@@ -29,11 +29,15 @@ class CDUInterface;
 #pragma warning(push)
 #pragma warning(disable:4005)
 
-class ISE_Shape{
+class ISE_Shape
+{
 public:
-	virtual void __stdcall			assign_shapes			(CShapeData::shape_def* shapes, u32 cnt)=0;
+    virtual ~ISE_Shape() = 0;
+    virtual void __stdcall			assign_shapes			(CShapeData::shape_def* shapes, u32 cnt)=0;
 };
 
+IC ISE_Shape::~ISE_Shape() {}
+
 class CSE_Visual
 {
 public:
@@ -86,10 +90,13 @@ class CSE_Motion
 	virtual CSE_Motion* __stdcall	motion					() = 0;
 };
 
-struct ISE_AbstractLEOwner{
+struct ISE_AbstractLEOwner {
+    virtual ~ISE_AbstractLEOwner() = 0;
 	virtual void		__stdcall	get_bone_xform			(LPCSTR name, Fmatrix& xform) = 0;
 };
 
+IC ISE_AbstractLEOwner::~ISE_AbstractLEOwner() {}
+
 #pragma pack(push,1)
 struct visual_data {
 	Fmatrix		matrix;
@@ -106,6 +113,9 @@ struct ISE_Abstract {
 		flMotionChange				= u32(1 << 3),
 		flVisualAnimationPauseChange= u32(1 << 4),
 	};
+
+    virtual ~ISE_Abstract() = 0;
+
 	Flags32							m_editor_flags;
 	IC	void						set_editor_flag			(u32 mask)	{m_editor_flags.set	(mask,TRUE);}
 
@@ -132,6 +142,8 @@ struct ISE_Abstract {
 	virtual bool		__stdcall	validate				() = 0;
 };
 
+IC ISE_Abstract::~ISE_Abstract() {}
+
 #pragma warning(pop)
 
 #pragma pack(pop)