diff --git a/message_server/simulation_state_ms.go b/message_server/simulation_state_ms.go
index 9c6872f..d897576 100644
--- a/message_server/simulation_state_ms.go
+++ b/message_server/simulation_state_ms.go
@@ -13,7 +13,6 @@ func NewStateMs(vs *memory.VerifySimulation) ms_api.MsgTask {
 		ecs.WorldStateChangeEvent.Subscribe(vs.World, func(_ ecs.World, e ecs.WorldStateChange) {
 			s := &state.SimulationStatus{SimulationId: vs.SimulationId}
 			switch e.NewState {
-			case ecs.WorldClose:
 			case ecs.WorldClosed:
 				s.State = state.SimulationStatus_DESTROY
 			case ecs.WorldError: