diff --git a/python/paddle/fluid/layers/nn.py b/python/paddle/fluid/layers/nn.py
index ad4c3773d57d2c9e7d6fda189b003da0a6710207..b379c523507e98985dc07311a28c49601c1eef1c 100644
--- a/python/paddle/fluid/layers/nn.py
+++ b/python/paddle/fluid/layers/nn.py
@@ -163,10 +163,6 @@ __all__ = [
     'log_loss',
     'add_position_encoding',
 ]
-if os.name != 'nt':
-    __all__.append('dynamic_lstm')
-    __all__.append('crf_decoding')
-    __all__.append('roi_pool')
 
 
 def fc(input,