diff --git a/lib/io-loop.h b/lib/io-loop.h
index e888b514..4b93919e 100644
--- a/lib/io-loop.h
+++ b/lib/io-loop.h
@@ -59,14 +59,6 @@ void birdloop_unlink(struct birdloop *loop);
 
 void birdloop_ping(struct birdloop *loop);
 
-struct birdloop_flag_handler {
-  void (*hook)(struct birdloop_flag_handler *, u32 flags);
-  void *data;
-};
-
-void birdloop_flag(struct birdloop *loop, u32 flag);
-void birdloop_flag_set_handler(struct birdloop *, struct birdloop_flag_handler *);
-
 /* Setup sockets */
 void birdloop_add_socket(struct birdloop *, struct birdsock *);
 void birdloop_remove_socket(struct birdloop *, struct birdsock *);
diff --git a/nest/route.h b/nest/route.h
index f398cb33..d92c4946 100644
--- a/nest/route.h
+++ b/nest/route.h
@@ -125,7 +125,6 @@ struct rtable_private {
   struct event *hcu_uncork_event;	/* Helper event to schedule HCU on uncork */
   struct timer *prune_timer;		/* Timer for periodic pruning / GC */
   struct event *prune_event;		/* Event for prune execution */
-  struct birdloop_flag_handler fh;	/* Handler for simple events */
   btime last_rt_change;			/* Last time when route changed */
   btime gc_time;			/* Time of last GC */
   uint gc_counter;			/* Number of operations since last GC */
diff --git a/nest/rt-table.c b/nest/rt-table.c
index 898d8b57..b70911ea 100644
--- a/nest/rt-table.c
+++ b/nest/rt-table.c
@@ -2690,8 +2690,6 @@ rt_setup(pool *pp, struct rtable_config *cf)
 
   UNLOCK_DOMAIN(rtable, dom);
 
-  /* Setup the service thread flag handler */
-  birdloop_flag_set_handler(t->loop, &t->fh);
   birdloop_leave(t->loop);
 
   return RT_PUB(t);
diff --git a/sysdep/unix/io-loop.c b/sysdep/unix/io-loop.c
index 96aab7e6..5934c129 100644
--- a/sysdep/unix/io-loop.c
+++ b/sysdep/unix/io-loop.c
@@ -188,34 +188,6 @@ birdloop_in_this_thread(struct birdloop *loop)
   return pthread_equal(pthread_self(), loop->thread->thread_id);
 }
 
-void
-birdloop_flag(struct birdloop *loop, u32 flag)
-{
-  atomic_fetch_or_explicit(&loop->flags, flag, memory_order_acq_rel);
-  birdloop_ping(loop);
-}
-
-void
-birdloop_flag_set_handler(struct birdloop *loop, struct birdloop_flag_handler *fh)
-{
-  ASSERT_DIE(birdloop_inside(loop));
-  loop->flag_handler = fh;
-}
-
-static int
-birdloop_process_flags(struct birdloop *loop)
-{
-  if (!loop->flag_handler)
-    return 0;
-
-  u32 flags = atomic_exchange_explicit(&loop->flags, 0, memory_order_acq_rel);
-  if (!flags)
-    return 0;
-
-  loop->flag_handler->hook(loop->flag_handler, flags);
-  return 1;
-}
-
 /*
  *	Wakeup code for birdloop
  */
@@ -1504,9 +1476,6 @@ birdloop_run(void *_loop)
     /* Run timers */
     timers_fire(&loop->time, 0);
 
-    /* Run flag handlers */
-    repeat += birdloop_process_flags(loop);
-
     /* Run events */
     repeat += ev_run_list(&loop->event_list);
 
diff --git a/sysdep/unix/io-loop.h b/sysdep/unix/io-loop.h
index 53d9f96b..71e5b109 100644
--- a/sysdep/unix/io-loop.h
+++ b/sysdep/unix/io-loop.h
@@ -58,8 +58,6 @@ struct birdloop
   _Atomic u32 thread_transition;
 #define LTT_PING  1
 #define LTT_MOVE  2
-  _Atomic u32 flags;
-  struct birdloop_flag_handler *flag_handler;
 
   void (*stopped)(void *data);
   void *stop_data;