diff --git a/libio/genops.c b/libio/genops.c
index 6612997..094598f 100644
--- a/libio/genops.c
+++ b/libio/genops.c
@@ -950,8 +950,6 @@ _IO_unbuffer_write (void)
   for (fp = (_IO_FILE *) _IO_list_all; fp; fp = fp->_chain)
     {
       if (! (fp->_flags & _IO_UNBUFFERED)
-	  && (! (fp->_flags & _IO_NO_WRITES)
-	      || (fp->_flags & _IO_IS_APPENDING))
 	  /* Iff stream is un-orientated, it wasn't used. */
 	  && fp->_mode != 0)
 	{