diff --git a/python/paddle/fluid/tests/unittests/ipu/test_fill_constant_op_ipu.py b/python/paddle/fluid/tests/unittests/ipu/test_fill_constant_op_ipu.py
index 7598b32581accdd05f02973f52e9f23c3b1daf6f..0e1e17cb65ec9f0da667318c46125f3d88f3002e 100644
--- a/python/paddle/fluid/tests/unittests/ipu/test_fill_constant_op_ipu.py
+++ b/python/paddle/fluid/tests/unittests/ipu/test_fill_constant_op_ipu.py
@@ -14,7 +14,6 @@
 
 import unittest
 
-import numpy as np
 import paddle
 import paddle.static
 from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest
diff --git a/python/paddle/fluid/tests/unittests/ipu/test_huber_loss_op_ipu.py b/python/paddle/fluid/tests/unittests/ipu/test_huber_loss_op_ipu.py
index 514b926dc82af500ac1929685a74c02584e977ba..613fbd944c26a43bdd1fcb4fc9d2381b2c5f2ad0 100644
--- a/python/paddle/fluid/tests/unittests/ipu/test_huber_loss_op_ipu.py
+++ b/python/paddle/fluid/tests/unittests/ipu/test_huber_loss_op_ipu.py
@@ -18,7 +18,6 @@ import numpy as np
 import paddle
 import paddle.static
 from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest
-import paddle.nn.functional as F
 
 
 class TestBase(IPUOpTest):
diff --git a/python/paddle/fluid/tests/unittests/ipu/test_identity_loss_ipu.py b/python/paddle/fluid/tests/unittests/ipu/test_identity_loss_ipu.py
index 187c63fef5bc6d921525d927831e5d5444a545aa..53baf0de0acce865dc0386c53c33e62fddc2d117 100644
--- a/python/paddle/fluid/tests/unittests/ipu/test_identity_loss_ipu.py
+++ b/python/paddle/fluid/tests/unittests/ipu/test_identity_loss_ipu.py
@@ -22,7 +22,6 @@ import paddle.optimizer
 import paddle.static
 from paddle.fluid.tests.unittests.ipu.op_test_ipu import (IPUOpTest,
                                                           np_dtype_to_fluid_str)
-from paddle.utils.cpp_extension import load
 
 paddle.enable_static()
 
diff --git a/python/paddle/fluid/tests/unittests/ipu/test_kldiv_loss_op_ipu.py b/python/paddle/fluid/tests/unittests/ipu/test_kldiv_loss_op_ipu.py
index 8af6664179a977af79fa3022a55b1fddd126025e..ef3e173fdeda92881e8c9939f69cebb52af90fd2 100644
--- a/python/paddle/fluid/tests/unittests/ipu/test_kldiv_loss_op_ipu.py
+++ b/python/paddle/fluid/tests/unittests/ipu/test_kldiv_loss_op_ipu.py
@@ -18,7 +18,6 @@ import numpy as np
 import paddle
 import paddle.static
 from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest
-import paddle.nn.functional as F
 
 
 class TestBase(IPUOpTest):
diff --git a/python/paddle/fluid/tests/unittests/ipu/test_sigmoid_cross_entropy_with_logits_op_ipu.py b/python/paddle/fluid/tests/unittests/ipu/test_sigmoid_cross_entropy_with_logits_op_ipu.py
index 997ae46ec82cb0b0eabfce61b92ca9395f742656..7a6cf28d443896998d84bef412abb9d9932ae64f 100644
--- a/python/paddle/fluid/tests/unittests/ipu/test_sigmoid_cross_entropy_with_logits_op_ipu.py
+++ b/python/paddle/fluid/tests/unittests/ipu/test_sigmoid_cross_entropy_with_logits_op_ipu.py
@@ -18,7 +18,6 @@ import numpy as np
 import paddle
 import paddle.static
 from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest
-import paddle.nn.functional as F
 
 
 class TestBase(IPUOpTest):
diff --git a/python/paddle/fluid/tests/unittests/ipu/test_warpctc_op_ipu.py b/python/paddle/fluid/tests/unittests/ipu/test_warpctc_op_ipu.py
index 0e2de2817eaffa3e47188ca877450fd65103acbc..d173ae77e5cbc952bd758f25b12071fb8db63092 100644
--- a/python/paddle/fluid/tests/unittests/ipu/test_warpctc_op_ipu.py
+++ b/python/paddle/fluid/tests/unittests/ipu/test_warpctc_op_ipu.py
@@ -18,7 +18,6 @@ import numpy as np
 import paddle
 import paddle.static
 from paddle.fluid.tests.unittests.ipu.op_test_ipu import IPUOpTest
-import paddle.nn.functional as F
 
 
 class TestBase(IPUOpTest):