diff --git a/src/keyboard.c b/src/keyboard.c
index e07d4324e56..2aa93ac023b 100644
--- a/src/keyboard.c
+++ b/src/keyboard.c
@@ -6538,11 +6538,15 @@ quit_throw_to_read_char ()
   Vunread_command_events = Qnil;
   unread_command_char = -1;
 
+#if 0 /* Currently, sit_for is called from read_char without turning
+	 off polling.  And that can call set_waiting_for_input.
+	 It seems to be harmless.  */
 #ifdef POLL_FOR_INPUT
   /* May be > 1 if in recursive minibuffer.  */
   if (poll_suppress_count == 0)
     abort ();
 #endif
+#endif
 #ifdef MULTI_FRAME
   if (FRAMEP (internal_last_event_frame)
       && XFRAME (internal_last_event_frame) != selected_frame)