diff --git a/src/corelib/physics.h b/src/corelib/physics.h
index 5a00e40..9cbe73f 100644
--- a/src/corelib/physics.h
+++ b/src/corelib/physics.h
@@ -34,15 +34,9 @@ typedef struct physics_t {
 } physics_t;
 
 extern physics_t physics_default();
-
 extern void object_broadcast_evt_collision(object_t* this, object_t* other);
-
-extern void physics_update();
-
 extern void physics_move(object_t* this, float delta_time);
-
 extern short can_collide(const object_t* this);
-
 extern void solve_collision_slide(object_t* left, object_t* right);
 extern float get_solve_force(const object_t* this, const object_t* other, float* solve_x, float* solve_y);