diff --git a/python/paddle/geometric/math.py b/python/paddle/geometric/math.py
index 673b83f980eba1bf290f7158865b566f1c2f269a..186fe5c2d7ddd23b5f0a89b50346e1cd0c30a580 100644
--- a/python/paddle/geometric/math.py
+++ b/python/paddle/geometric/math.py
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from paddle.fluid.layer_helper import LayerHelper, _non_static_mode
+from paddle.fluid.layer_helper import LayerHelper
 from paddle.fluid.data_feeder import check_variable_and_dtype
 from paddle import _C_ops, _legacy_C_ops
 from paddle.fluid.framework import _in_legacy_dygraph, in_dygraph_mode
diff --git a/python/paddle/geometric/message_passing/send_recv.py b/python/paddle/geometric/message_passing/send_recv.py
index f2b3029e39a438e28285d39e18173057925e011f..cf290b29bee89be597c10b8eaec258bb402d6873 100644
--- a/python/paddle/geometric/message_passing/send_recv.py
+++ b/python/paddle/geometric/message_passing/send_recv.py
@@ -14,9 +14,9 @@
 
 import numpy as np
 from paddle.fluid.layer_helper import LayerHelper
-from paddle.fluid.framework import _non_static_mode, _in_legacy_dygraph, in_dygraph_mode
+from paddle.fluid.framework import _in_legacy_dygraph, in_dygraph_mode
 from paddle.fluid.framework import Variable
-from paddle.fluid.data_feeder import check_variable_and_dtype, check_type, check_dtype, convert_dtype
+from paddle.fluid.data_feeder import check_dtype, check_type, check_variable_and_dtype
 from paddle import _C_ops, _legacy_C_ops
 
 from .utils import convert_out_size_to_list, get_out_size_tensor_inputs, reshape_lhs_rhs
diff --git a/python/paddle/geometric/reindex.py b/python/paddle/geometric/reindex.py
index a575e6916c4cddbb56baf385548875e060b2adca..3c4cfb964ed174f2fdf83b7b94636996616e855c 100644
--- a/python/paddle/geometric/reindex.py
+++ b/python/paddle/geometric/reindex.py
@@ -16,8 +16,7 @@ import paddle
 from paddle.fluid.layer_helper import LayerHelper
 from paddle.fluid.framework import _non_static_mode, Variable
 from paddle.fluid.data_feeder import check_variable_and_dtype
-from paddle.fluid import core
-from paddle import _C_ops, _legacy_C_ops
+from paddle import _legacy_C_ops
 
 __all__ = []
 
diff --git a/python/paddle/geometric/sampling/neighbors.py b/python/paddle/geometric/sampling/neighbors.py
index 62c01a11c69200ba0d58f754eff8ce4046d56176..48fb22d4fe8a95b00cda522dac03ea5b22be9dbb 100644
--- a/python/paddle/geometric/sampling/neighbors.py
+++ b/python/paddle/geometric/sampling/neighbors.py
@@ -12,11 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import paddle
 from paddle.fluid.layer_helper import LayerHelper
 from paddle.fluid.framework import _non_static_mode
 from paddle.fluid.data_feeder import check_variable_and_dtype
-from paddle import _C_ops, _legacy_C_ops
+from paddle import _legacy_C_ops
 
 __all__ = []
 
diff --git a/python/paddle/static/io.py b/python/paddle/static/io.py
index f5284de8640d65d878feb18975cb05badef16662..1f625f86353de2ea2398a37df4d330096665cdb0 100644
--- a/python/paddle/static/io.py
+++ b/python/paddle/static/io.py
@@ -33,7 +33,7 @@ from paddle.fluid import (
 )
 from paddle.fluid.io import prepend_feed_ops, append_fetch_ops
 from paddle.fluid.framework import static_only, Parameter
-from paddle.fluid.executor import Executor, global_scope
+from paddle.fluid.executor import global_scope
 from paddle.fluid.log_helper import get_logger
 
 __all__ = []
diff --git a/python/paddle/vision/datasets/flowers.py b/python/paddle/vision/datasets/flowers.py
index 157bca2148a45baeb26ca5a82069bfe82ee4140f..963d639ed11796d98b3b87348c47712811cf86f7 100644
--- a/python/paddle/vision/datasets/flowers.py
+++ b/python/paddle/vision/datasets/flowers.py
@@ -13,7 +13,6 @@
 # limitations under the License.
 
 import os
-import io
 import tarfile
 import numpy as np
 from PIL import Image
diff --git a/python/paddle/vision/datasets/mnist.py b/python/paddle/vision/datasets/mnist.py
index 22ceb8304e666eb78fc136607f1f752487002ecf..5b819fb3bb8cd0bb70be188703ba2529a1964b5b 100644
--- a/python/paddle/vision/datasets/mnist.py
+++ b/python/paddle/vision/datasets/mnist.py
@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import os
 import gzip
 import struct
 import numpy as np
diff --git a/python/paddle/vision/ops.py b/python/paddle/vision/ops.py
index 11bedb6c3177c36150ef12d923c3594ab71b8b98..112d233cc494deef7142f506ca16ec800228a084 100755
--- a/python/paddle/vision/ops.py
+++ b/python/paddle/vision/ops.py
@@ -14,13 +14,11 @@
 
 import numpy as np
 from ..fluid.layer_helper import LayerHelper
-from ..fluid.data_feeder import check_variable_and_dtype, check_type, check_dtype
-from ..fluid import core, layers
+from ..fluid.data_feeder import check_type, check_variable_and_dtype
 from ..fluid.layers import nn, utils
 from ..nn import Layer, Conv2D, Sequential, ReLU, BatchNorm2D
 from ..fluid.initializer import Normal
 from ..fluid.framework import _non_static_mode, in_dygraph_mode, _in_legacy_dygraph
-from paddle.common_ops_import import *
 from paddle import _C_ops, _legacy_C_ops
 from ..framework import _current_expected_place
 
diff --git a/python/paddle/vision/transforms/functional.py b/python/paddle/vision/transforms/functional.py
index f0a3c1793c17b8da81fbd9f9a16dd2e45a95481e..99d27a60ae3b0261dbd36dbd33559456a9af7b1c 100644
--- a/python/paddle/vision/transforms/functional.py
+++ b/python/paddle/vision/transforms/functional.py
@@ -12,15 +12,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import sys
 import math
 import numbers
-import warnings
-import collections
 
 import numpy as np
 from PIL import Image
-from numpy import sin, cos, tan
 import paddle
 
 from . import functional_pil as F_pil
diff --git a/python/paddle/vision/transforms/functional_cv2.py b/python/paddle/vision/transforms/functional_cv2.py
index 52acb85392add002f8eb464271362803403df915..ccd638089af7be21c649298a4a0c942b42b27c6c 100644
--- a/python/paddle/vision/transforms/functional_cv2.py
+++ b/python/paddle/vision/transforms/functional_cv2.py
@@ -15,11 +15,9 @@
 import sys
 import math
 import numbers
-import warnings
 import collections
 
 import numpy as np
-from numpy import sin, cos, tan
 
 import paddle
 from paddle.utils import try_import
diff --git a/python/paddle/vision/transforms/functional_pil.py b/python/paddle/vision/transforms/functional_pil.py
index 8eedd8742877163fd6ef5ecdc86aef4a4c606808..cd4556effb7d953f86a2aae2bec2c586a29cb9fd 100644
--- a/python/paddle/vision/transforms/functional_pil.py
+++ b/python/paddle/vision/transforms/functional_pil.py
@@ -13,14 +13,11 @@
 # limitations under the License.
 
 import sys
-import math
 import numbers
-import warnings
 import collections
 from PIL import Image, ImageOps, ImageEnhance
 
 import numpy as np
-from numpy import sin, cos, tan
 import paddle
 
 if sys.version_info < (3, 3):
diff --git a/python/paddle/vision/transforms/functional_tensor.py b/python/paddle/vision/transforms/functional_tensor.py
index cdff801eafd8806da230d86e15d15816d1f2b17d..911f7e2d260bd62cf8280c2ceb85cbe9d07c7341 100644
--- a/python/paddle/vision/transforms/functional_tensor.py
+++ b/python/paddle/vision/transforms/functional_tensor.py
@@ -18,9 +18,6 @@ import numbers
 import paddle
 import paddle.nn.functional as F
 
-import sys
-import collections
-
 __all__ = []
 
 
diff --git a/python/paddle/vision/transforms/transforms.py b/python/paddle/vision/transforms/transforms.py
index 3edc48e47245a8d525fbb851a75590fa35f11761..5472df2fd9e0beeaec8d81e6002c385c64c9c318 100644
--- a/python/paddle/vision/transforms/transforms.py
+++ b/python/paddle/vision/transforms/transforms.py
@@ -18,13 +18,10 @@ import random
 
 import numpy as np
 import numbers
-import types
 import collections
-import warnings
 import traceback
 
 import paddle
-from paddle.utils import try_import
 from . import functional as F
 
 if sys.version_info < (3, 3):