diff --git a/async.lua b/async.lua
index d6e4811..5e95996 100644
--- a/async.lua
+++ b/async.lua
@@ -34,7 +34,6 @@ function extended_api.Async()
 		local thread = self.pool.threads[index]
 		if not thread or coroutine.status(thread) == "dead" then
 			table.remove(self.pool.threads, index)
-			minetest.after(0, self.schedule_worker)
 			return false
 		else
 			coroutine.resume(thread)
@@ -47,7 +46,6 @@ function extended_api.Async()
 		local thread = self.pool.globalstep_threads[index]
 		if not thread or coroutine.status(thread) == "dead" then
 			table.remove(self.pool.globalstep_threads, index)
-			minetest.after(0, self.schedule_globalstep_worker)
 			return false
 		else
 			coroutine.resume(thread)