diff --git a/python/paddle/nn/__init__.py b/python/paddle/nn/__init__.py
index b79b965f5b9023b09df6dbf905561f192145dbf0..2452f196987b89ead93d0b669d3ff94fb113024c 100644
--- a/python/paddle/nn/__init__.py
+++ b/python/paddle/nn/__init__.py
@@ -31,7 +31,6 @@ __all__ += rnn.__all__
 __all__ += weight_norm_hook.__all__
 
 # TODO: define alias in nn directory
-# from .clip import ErrorClipByValue        #DEFINE_ALIAS
 from .clip import GradientClipByGlobalNorm  #DEFINE_ALIAS
 from .clip import GradientClipByNorm  #DEFINE_ALIAS
 from .clip import GradientClipByValue  #DEFINE_ALIAS