diff --git a/2d/platformer/engine.cfg b/2d/platformer/engine.cfg
index 5461cbdd..50b6b862 100644
--- a/2d/platformer/engine.cfg
+++ b/2d/platformer/engine.cfg
@@ -28,7 +28,6 @@ spawn=[key(F1), jbutton(0, 11)]
 [physics_2d]
 
 default_gravity=700
-thread_model=1
 
 [rasterizer]