diff --git a/mps/code/qs.c b/mps/code/qs.c
index 9f6e97a9972..89f93fb2833 100644
--- a/mps/code/qs.c
+++ b/mps/code/qs.c
@@ -532,7 +532,6 @@ int main(int argc, char *argv[])
 
   die(mps_arena_create(&arena, mps_arena_class_vm(), testArenaSIZE),
       "mps_arena_create");
-  mps_arena_spare_commit_limit_set(arena, 0);
 
   mps_tramp(&r, &go, NULL, 0);
   mps_arena_destroy(arena);