diff --git a/src/td/simulation/WorldTicker.cpp b/src/td/simulation/WorldTicker.cpp
index fcebd0d..88f465d 100644
--- a/src/td/simulation/WorldTicker.cpp
+++ b/src/td/simulation/WorldTicker.cpp
@@ -3,8 +3,6 @@
 #include <td/simulation/system/EntityMove.h>
 #include <td/simulation/CommandApply.h>
 
-#define ADD_SYSTEM(class) std::move(std::make_unique<class>())
-
 namespace td {
 namespace sim {
 
@@ -15,8 +13,8 @@ WorldTicker::WorldTicker() {
 WorldSnapshot WorldTicker::NextStep(
 	const game::World& a_World, WorldSnapshot& a_PreviousState, const protocol::LockStep& a_LockStep, FpFloat a_Delta) {
 	WorldSnapshot next = CreateNext(a_PreviousState);
-	ApplySteps(a_World, next, a_LockStep); // maybe swap with tick ?
 	Tick(a_World, next, a_Delta);
+	ApplySteps(a_World, next, a_LockStep);
 	return next;
 }