diff --git a/Engine.Physics2D/Abstract/IPhysicsEngine2D.cs b/Engine.Physics2D/Abstract/IPhysicsEngine2D.cs
index aed1d10..36bd191 100644
--- a/Engine.Physics2D/Abstract/IPhysicsEngine2D.cs
+++ b/Engine.Physics2D/Abstract/IPhysicsEngine2D.cs
@@ -4,8 +4,5 @@ public interface IPhysicsEngine2D
 {
     int IterationCount { get; set; }
 
-    void AddRigidBody(IRigidBody2D rigidBody);
-    void RemoveRigidBody(IRigidBody2D rigidBody);
-
     void Step(float deltaTime);
 }