diff --git a/python/paddle/static/amp/__init__.py b/python/paddle/static/amp/__init__.py
index 01832fd536769bff0b5613d399d35d61131cad5c..795e49698f34462b4182a69d49e4275db94c70d7 100644
--- a/python/paddle/static/amp/__init__.py
+++ b/python/paddle/static/amp/__init__.py
@@ -19,9 +19,3 @@ from .fp16_lists import CustomOpLists, AutoMixedPrecisionLists
 from . import fp16_utils
 from .fp16_utils import fp16_guard, cast_model_to_fp16, cast_parameters_to_fp16
 from . import bf16
-from .bf16 import bf16_guard
-
-__all__ = []
-__all__ += decorator.__all__
-__all__ += fp16_lists.__all__
-__all__ += fp16_utils.__all__
diff --git a/python/paddle/static/amp/amp_nn.py b/python/paddle/static/amp/amp_nn.py
index c5e812c141d3696459c6b040c30fe7e39f02629c..0f936ae8f57b9e9731173aac4efa44593993765d 100644
--- a/python/paddle/static/amp/amp_nn.py
+++ b/python/paddle/static/amp/amp_nn.py
@@ -18,8 +18,6 @@ from paddle.fluid.data_feeder import check_type, check_variable_and_dtype
 from paddle.fluid.framework import Variable, in_dygraph_mode
 from paddle.fluid.layer_helper import LayerHelper
 
-__all__ = ['check_finite_and_unscale', 'update_loss_scaling']
-
 
 def check_finite_and_unscale(x, scale, name=None, float_status=None):
     """
diff --git a/python/paddle/static/amp/bf16/__init__.py b/python/paddle/static/amp/bf16/__init__.py
index 82b616b299447c2a297d2dd5e718e8ef4a09b085..fad4a654fd88b8743720a0e469d29c95ad4a1462 100644
--- a/python/paddle/static/amp/bf16/__init__.py
+++ b/python/paddle/static/amp/bf16/__init__.py
@@ -24,8 +24,3 @@ from .amp_utils import (
 )
 from . import decorator
 from .decorator import decorate_bf16
-
-__all__ = []
-__all__ += decorator.__all__
-__all__ += amp_lists.__all__
-__all__ += amp_utils.__all__
diff --git a/python/paddle/static/amp/bf16/amp_lists.py b/python/paddle/static/amp/bf16/amp_lists.py
index d1878a3367fbc7a72a9cc90cea7028a6893ce37d..5ea5beb708b89414f6aa468f18be8dc28e073277 100644
--- a/python/paddle/static/amp/bf16/amp_lists.py
+++ b/python/paddle/static/amp/bf16/amp_lists.py
@@ -20,8 +20,6 @@ from ..fp16_lists import black_list as black_list_fp16
 from ..fp16_lists import gray_list as gray_list_fp16
 from ..fp16_lists import white_list as white_list_fp16
 
-__all__ = ["AutoMixedPrecisionListsBF16"]
-
 
 class AutoMixedPrecisionListsBF16:
     """
diff --git a/python/paddle/static/amp/bf16/amp_utils.py b/python/paddle/static/amp/bf16/amp_utils.py
index cf8c82127b3b45f29559444a65bf9847124ccaf3..f9a813aa44d41ccff8a035b9832fa5705fd6e17d 100644
--- a/python/paddle/static/amp/bf16/amp_utils.py
+++ b/python/paddle/static/amp/bf16/amp_utils.py
@@ -31,14 +31,6 @@ from ..fp16_utils import (
 )
 from .amp_lists import AutoMixedPrecisionListsBF16
 
-__all__ = [
-    "bf16_guard",
-    "rewrite_program_bf16",
-    "cast_model_to_bf16",
-    "cast_parameters_to_bf16",
-    "convert_float_to_uint16",
-]
-
 _logger = get_logger(
     __name__, logging.INFO, fmt='%(asctime)s-%(levelname)s: %(message)s'
 )
diff --git a/python/paddle/static/amp/bf16/decorator.py b/python/paddle/static/amp/bf16/decorator.py
index 20286d3eebca5fead08b8e0e1f291478e0bb2080..66963e25634f09a1f73aed6df7945d726c0b9e40 100644
--- a/python/paddle/static/amp/bf16/decorator.py
+++ b/python/paddle/static/amp/bf16/decorator.py
@@ -25,8 +25,6 @@ from .amp_utils import (
     rewrite_program_bf16,
 )
 
-__all__ = ["decorate_bf16"]
-
 
 class OptimizerWithMixedPrecision:
     """
diff --git a/python/paddle/static/amp/decorator.py b/python/paddle/static/amp/decorator.py
index ba33f6b391b0b825ad87ae6ecbf1a14778cf4b2e..827a3a8b599f87eed1a4ed3b66f5157915f6fbe4 100644
--- a/python/paddle/static/amp/decorator.py
+++ b/python/paddle/static/amp/decorator.py
@@ -34,8 +34,6 @@ from .fp16_utils import (
     update_role_var_grad,
 )
 
-__all__ = ["decorate"]
-
 
 class OptimizerWithMixedPrecision:
     """
diff --git a/python/paddle/static/amp/fp16_lists.py b/python/paddle/static/amp/fp16_lists.py
index b2acd0bb5156ddab063a02304dd09d199ee38c80..b3f9b0331a86c19577a09e13b54db9f6aeb57749 100644
--- a/python/paddle/static/amp/fp16_lists.py
+++ b/python/paddle/static/amp/fp16_lists.py
@@ -16,8 +16,6 @@ import copy
 
 from paddle.fluid import core
 
-__all__ = ["CustomOpLists", "AutoMixedPrecisionLists"]
-
 # lookup_table fp16 is slower than fp32, though fp16 is supported.
 _extra_unsupported_fp16_list = {
     'lookup_table',
diff --git a/python/paddle/static/amp/fp16_utils.py b/python/paddle/static/amp/fp16_utils.py
index c9cee2ab8d25cf96909896453703acfb483087e7..281d3638ee261c9bf8dd53e1c7feee1c50968545 100644
--- a/python/paddle/static/amp/fp16_utils.py
+++ b/python/paddle/static/amp/fp16_utils.py
@@ -23,8 +23,6 @@ from paddle.fluid.wrapped_decorator import signature_safe_contextmanager
 
 from .fp16_lists import AutoMixedPrecisionLists
 
-__all__ = ["fp16_guard", "cast_model_to_fp16", "cast_parameters_to_fp16"]
-
 _logger = get_logger(
     __name__, logging.INFO, fmt='%(asctime)s-%(levelname)s: %(message)s'
 )