diff --git a/src/engine_maketasks.c b/src/engine_maketasks.c
index e5e570064be12b031e24fa8622c7c49f254c6b0b..06ac95d6e807010c968e918e649a136bd53e2cda 100644
--- a/src/engine_maketasks.c
+++ b/src/engine_maketasks.c
@@ -2030,7 +2030,6 @@ void engine_make_extra_hydroloop_tasks_mapper(void *map_data, int num_elements,
         scheduler_addunlock(sched, ci->hydro.super->black_holes.drift,
                             t_bh_density);
         scheduler_addunlock(sched, ci->hydro.super->hydro.drift, t_bh_density);
-        scheduler_addunlock(sched, ci->hydro.super->hydro.sorts, t_bh_density);
         scheduler_addunlock(sched, ci->hydro.super->black_holes.black_holes_in,
                             t_bh_density);
         scheduler_addunlock(sched, t_bh_density,