diff --git a/backends/npu/tests/unittests/test_momentum_op_npu.py b/backends/npu/tests/unittests/test_momentum_op_npu.py
index a3b022c6f..4db2ce76d 100644
--- a/backends/npu/tests/unittests/test_momentum_op_npu.py
+++ b/backends/npu/tests/unittests/test_momentum_op_npu.py
@@ -237,11 +237,11 @@ def _test_momentum_dygraph_common(self, regularization):
         out = linear(inp)
         loss = paddle.mean(out)
         # This can be any optimizer supported by dygraph.
-        momentum = paddle.fluid.contrib.optimizer.Momentum(
+        momentum = paddle.optimizer.Momentum(
             learning_rate=0.01,
             momentum=0.9,
-            parameter_list=linear.parameters(),
-            regularization=regularization,
+            parameters=linear.parameters(),
+            weight_decay=regularization,
         )
         momentum.minimize(loss)
 
@@ -261,7 +261,7 @@ def test_momentum_static(self):
             cost = paddle.nn.functional.square_error_cost(input=y_predict, label=y)
             avg_cost = paddle.mean(cost)
 
-            momentum_optimizer = paddle.fluid.contrib.optimizer.Momentum(
+            momentum_optimizer = paddle.optimizer.Momentum(
                 learning_rate=0.1, momentum=0.9
             )
             momentum_optimizer.minimize(avg_cost)
@@ -311,11 +311,11 @@ def __test_vs(self, place=paddle.CustomPlace("npu", 0)):
             weight_attr=paddle.nn.initializer.Constant(value=2.0),
             bias_attr=paddle.nn.initializer.Constant(value=2.0),
         )
-        momentum_new = paddle.fluid.contrib.optimizer.Momentum(
+        momentum_new = paddle.optimizer.Momentum(
             learning_rate=0.01,
             momentum=0.9,
-            parameter_list=linear_new.parameters(),
-            regularization=paddle.regularizer.L2Decay(coeff=0.1),
+            parameters=linear_new.parameters(),
+            weight_decay=paddle.regularizer.L2Decay(coeff=0.1),
         )
         self.__update_params(momentum=momentum_new, linear=linear_new)
 
diff --git a/backends/npu/tests/unittests/test_rmsprop_op_npu.py b/backends/npu/tests/unittests/test_rmsprop_op_npu.py
index 804c85b26..0777bac26 100644
--- a/backends/npu/tests/unittests/test_rmsprop_op_npu.py
+++ b/backends/npu/tests/unittests/test_rmsprop_op_npu.py
@@ -18,7 +18,6 @@
 
 import numpy as np
 import paddle
-import paddle.fluid as fluid
 
 paddle.enable_static()
 SEED = 2021
@@ -49,7 +48,7 @@ def _test(self, run_npu=True):
 
             cost = paddle.nn.functional.cross_entropy(input=prediction, label=label)
             loss = paddle.mean(cost)
-            rmsprop = fluid.optimizer.RMSProp(learning_rate=0.01)
+            rmsprop = paddle.optimizer.RMSProp(learning_rate=0.01)
             rmsprop.minimize(loss)
 
         if run_npu:
@@ -110,7 +109,7 @@ def _test(self, run_npu=True):
 
             cost = paddle.nn.functional.cross_entropy(input=prediction, label=label)
             loss = paddle.mean(cost)
-            rmsprop = fluid.optimizer.RMSProp(learning_rate=0.01, centered=True)
+            rmsprop = paddle.optimizer.RMSProp(learning_rate=0.01, centered=True)
             rmsprop.minimize(loss)
 
         if run_npu: