diff --git a/python/paddle/fluid/layers/io.py b/python/paddle/fluid/layers/io.py
index b4da940aa4cce0c6f36e84d880b7651da7bb1d0a..8fc879a0a5f007948505bf006f381afce70baf28 100644
--- a/python/paddle/fluid/layers/io.py
+++ b/python/paddle/fluid/layers/io.py
@@ -529,7 +529,6 @@ def _py_reader(capacity,
         })
 
     startup_var.desc.set_dtypes(dtypes)
-    startup_var.desc.set_lod_levels(lod_levels)
     startup_var.persistable = True
 
     main_prog_var = _copy_reader_var_(default_main_program().current_block(),