diff --git a/python/paddle/fluid/tests/book/notest_understand_sentiment.py b/python/paddle/fluid/tests/book/notest_understand_sentiment.py
index 75b8be1cc3551e3165b975cafd62156a2c751f3a..f8e49fafac4d91bcde8df3aa33e185c9455b0c66 100644
--- a/python/paddle/fluid/tests/book/notest_understand_sentiment.py
+++ b/python/paddle/fluid/tests/book/notest_understand_sentiment.py
@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from paddle.fluid.layers.device import get_places
 import unittest
 import paddle.fluid as fluid
 import paddle
diff --git a/python/paddle/fluid/tests/book/test_image_classification.py b/python/paddle/fluid/tests/book/test_image_classification.py
index e352a67352c49b6dd6b22b94f16fb81b8ab8c2da..c8a4861370a65fd4f689d2f19a9e245a1e9d9d60 100644
--- a/python/paddle/fluid/tests/book/test_image_classification.py
+++ b/python/paddle/fluid/tests/book/test_image_classification.py
@@ -21,7 +21,6 @@ import numpy
 import unittest
 import os
 import tempfile
-import numpy as np
 
 paddle.enable_static()
 
diff --git a/python/paddle/fluid/tests/book/test_label_semantic_roles.py b/python/paddle/fluid/tests/book/test_label_semantic_roles.py
index 118c0be4b0ddbb806dca83e6a525d3964d8e82cb..16e4a2827779d14562dea9829d806cc3787c586a 100644
--- a/python/paddle/fluid/tests/book/test_label_semantic_roles.py
+++ b/python/paddle/fluid/tests/book/test_label_semantic_roles.py
@@ -13,7 +13,6 @@
 # limitations under the License.
 
 import contextlib
-import math
 import numpy as np
 import os
 import time
diff --git a/python/paddle/fluid/tests/book/test_recognize_digits.py b/python/paddle/fluid/tests/book/test_recognize_digits.py
index 7980db4649a043c8cc02ac163627fa172bfe3c10..f2afcdefa0626b7e2d1da451adc57031a8e31afd 100644
--- a/python/paddle/fluid/tests/book/test_recognize_digits.py
+++ b/python/paddle/fluid/tests/book/test_recognize_digits.py
@@ -22,7 +22,6 @@ import numpy
 
 import paddle
 import paddle.fluid as fluid
-from paddle.fluid.layers.device import get_places
 
 paddle.enable_static()
 
diff --git a/python/paddle/fluid/tests/book/test_rnn_encoder_decoder.py b/python/paddle/fluid/tests/book/test_rnn_encoder_decoder.py
index 18972a378a52b5f506913a26867151e49d137d7c..b7de6f5da90cf0c16cbb28d790b73a022a4a378f 100644
--- a/python/paddle/fluid/tests/book/test_rnn_encoder_decoder.py
+++ b/python/paddle/fluid/tests/book/test_rnn_encoder_decoder.py
@@ -15,9 +15,7 @@
 import numpy as np
 import paddle
 import paddle.fluid as fluid
-import paddle.fluid.core as core
 import paddle.fluid.framework as framework
-import paddle.fluid.layers as layers
 import contextlib
 import math
 import sys
diff --git a/python/paddle/fluid/tests/book/test_word2vec_book.py b/python/paddle/fluid/tests/book/test_word2vec_book.py
index 194dfd8dae4496393b06e546f1b2b116e81fc3be..ec7ab9cc8370955acc0f9b287c0a50669d5681cd 100644
--- a/python/paddle/fluid/tests/book/test_word2vec_book.py
+++ b/python/paddle/fluid/tests/book/test_word2vec_book.py
@@ -14,7 +14,6 @@
 
 import paddle
 import paddle.fluid as fluid
-from paddle.fluid.layers.device import get_places
 import unittest
 import os
 import numpy as np
diff --git a/python/paddle/fluid/tests/test_beam_search_decoder.py b/python/paddle/fluid/tests/test_beam_search_decoder.py
index c57cddedb4e93b38b63050b2bc8f05c2fc0ffba3..7458bf4c57c21fb4e71b8f43699c078755a6cc10 100644
--- a/python/paddle/fluid/tests/test_beam_search_decoder.py
+++ b/python/paddle/fluid/tests/test_beam_search_decoder.py
@@ -19,13 +19,11 @@ import contextlib
 import numpy as np
 import paddle
 import paddle.fluid as fluid
-import paddle.fluid.core as core
 import paddle.fluid.framework as framework
 import paddle.fluid.layers as layers
 from paddle.fluid.executor import Executor
 from paddle.fluid.contrib.decoder.beam_search_decoder import *
 import unittest
-import os
 
 paddle.enable_static()
 
diff --git a/python/paddle/fluid/tests/test_error_clip.py b/python/paddle/fluid/tests/test_error_clip.py
index 99dd1964230b93848262c0b722b29dabcb846b68..eac41b818c2622a12a7baf9511a34279f23157dc 100644
--- a/python/paddle/fluid/tests/test_error_clip.py
+++ b/python/paddle/fluid/tests/test_error_clip.py
@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import numpy as np
 import paddle
 import paddle.fluid as fluid