diff --git a/arch/sim/src/sim/up_hcitty.c b/arch/sim/src/sim/up_hcitty.c
index b592ace484..918fee9de1 100644
--- a/arch/sim/src/sim/up_hcitty.c
+++ b/arch/sim/src/sim/up_hcitty.c
@@ -126,15 +126,8 @@ static inline void bthcitty_post(FAR sem_t *sem)
 static void bthcitty_pollnotify(FAR struct bthcitty_s *dev,
                                 pollevent_t eventset)
 {
-  int ret;
   int i;
 
-  ret = nxsem_wait_uninterruptible(&dev->fdslock);
-  if (ret < 0)
-    {
-      return;
-    }
-
   for (i = 0; i < CONFIG_HCI_NPOLLWAITERS; i++)
     {
       FAR struct pollfd *fds = dev->fds[i];
@@ -150,7 +143,6 @@ static void bthcitty_pollnotify(FAR struct bthcitty_s *dev,
         }
     }
 
-  nxsem_post(&dev->fdslock);
   bthcitty_post(&dev->recvsem);
 }