diff --git a/rogueviz/nilrider/levels.cpp b/rogueviz/nilrider/levels.cpp
index 4145aa2b..9b443915 100644
--- a/rogueviz/nilrider/levels.cpp
+++ b/rogueviz/nilrider/levels.cpp
@@ -10,8 +10,6 @@ goalchecker basic_check(ld time_limit, ld rev_limit) {
     };
   }
 
-flagtype LEVEL_SWAP_TRIANGLE_ORDER = 1;
-
 goalchecker get_any(ld time_limit, ld rev_limit) {
   return [=] (checkerparam c) {
     if(c.t->timer > time_limit || c.rev > rev_limit) return grFailed;
diff --git a/rogueviz/nilrider/nilrider.h b/rogueviz/nilrider/nilrider.h
index 13d39eb1..4c34ba40 100644
--- a/rogueviz/nilrider/nilrider.h
+++ b/rogueviz/nilrider/nilrider.h
@@ -38,6 +38,7 @@ using plan_t = vector<planpoint>;
 
 constexpr flagtype nrlPolar = Flag(1);
 constexpr flagtype nrlOrder = Flag(2);
+constexpr flagtype nrlSwapTriangleOrder = Flag(3);
 
 struct statue {
   transmatrix T;