diff --git a/tests/python/unittest/test_contrib_operator.py b/tests/python/unittest/test_contrib_operator.py
index 758331a787b7..476dfac24a61 100644
--- a/tests/python/unittest/test_contrib_operator.py
+++ b/tests/python/unittest/test_contrib_operator.py
@@ -268,7 +268,6 @@ def assert_match(inputs, x, y, threshold, is_ascend=False):
     assert_match([[0.5, 0.6], [0.1, 0.2], [0.3, 0.4]], [1, -1, 0], [2, 0], 1e-12, False)
     assert_match([[0.5, 0.6], [0.1, 0.2], [0.3, 0.4]], [-1, 0, 1], [1, 2], 100, True)
 
-@unittest.skipIf(is_aarch64_run(), "test fails on aarch64 - tracked in #20289")
 def test_multibox_target_op():
     anchors = mx.nd.array([[0.1, 0.2, 0.3, 0.4], [0.5, 0.6, 0.7, 0.8]], ctx=default_context()).reshape((1, -1, 4))
     cls_pred = mx.nd.array(list(range(10)), ctx=default_context()).reshape((1, -1, 2))
diff --git a/tests/python/unittest/test_ndarray.py b/tests/python/unittest/test_ndarray.py
index 3f93cbe30284..839b97918421 100644
--- a/tests/python/unittest/test_ndarray.py
+++ b/tests/python/unittest/test_ndarray.py
@@ -1285,7 +1285,6 @@ def test_output():
 
 
 @with_seed()
-@unittest.skipIf(is_aarch64_run(), "test fails on aarch64 - tracked in #20289")
 def test_ndarray_fluent():
     has_grad = set(['flatten', 'expand_dims', 'flip', 'tile', 'transpose', 'sum', 'nansum', 'prod',
                     'nanprod', 'mean', 'max', 'min', 'reshape', 'broadcast_to', 'split', 'split_v2',
diff --git a/tests/python/unittest/test_numpy_interoperability.py b/tests/python/unittest/test_numpy_interoperability.py
index 63e74c746d5b..8babda3e945f 100644
--- a/tests/python/unittest/test_numpy_interoperability.py
+++ b/tests/python/unittest/test_numpy_interoperability.py
@@ -3067,7 +3067,6 @@ def test_np_memory_array_function():
 
 @with_seed()
 @use_np
-@unittest.skipIf(is_aarch64_run(), "test fails on aarch64 - tracked in #20289")
 @with_array_function_protocol
 def test_np_array_function_protocol():
     check_interoperability(_NUMPY_ARRAY_FUNCTION_LIST)
diff --git a/tests/python/unittest/test_numpy_op.py b/tests/python/unittest/test_numpy_op.py
index 8b6fc68f4ad6..0579cce900f9 100644
--- a/tests/python/unittest/test_numpy_op.py
+++ b/tests/python/unittest/test_numpy_op.py
@@ -3574,7 +3574,6 @@ def hybrid_forward(self, F, x):
 
 @with_seed()
 @use_np
-@unittest.skipIf(is_aarch64_run(), "test fails on aarch64 - tracked in #20289")
 def test_np_delete():
     class TestDelete(HybridBlock):
         def __init__(self, obj, axis=None):
diff --git a/tests/python/unittest/test_profiler.py b/tests/python/unittest/test_profiler.py
index 8e8209f5235b..ae7352c19301 100644
--- a/tests/python/unittest/test_profiler.py
+++ b/tests/python/unittest/test_profiler.py
@@ -61,10 +61,10 @@ def test_profiler():
 
     for i in range(iter_num):
         if i == begin_profiling_iter:
-            t0 = time.clock()
+            t0 = time.process_time()
             profiler.set_state('run')
         if i == end_profiling_iter:
-            t1 = time.clock()
+            t1 = time.process_time()
             profiler.set_state('stop')
         executor.forward()
         c = executor.outputs[0]