diff --git a/src/python/nimbusml/tests/preprocessing/missing_values/test_data_with_missing.py b/src/python/nimbusml/tests/preprocessing/missing_values/test_data_with_missing.py
index 99db58dd..012d7469 100644
--- a/src/python/nimbusml/tests/preprocessing/missing_values/test_data_with_missing.py
+++ b/src/python/nimbusml/tests/preprocessing/missing_values/test_data_with_missing.py
@@ -3,6 +3,7 @@
 # Licensed under the MIT License.
 # --------------------------------------------------------------------------------------------
 
+import platform
 import unittest
 
 import numpy as np
@@ -161,6 +162,7 @@ def test_input_conversion_to_float_retains_other_column_types(self):
         assert_equal(result.dtypes['f1'], np.object)
         assert_equal(result.dtypes['f2.f2'], np.float32)
 
+    @unittest.skipIf('centos' in platform.linux_distribution()[0].lower())
     def test_category_imputation(self):
         data={'f0': [4, 4, np.nan, 9],
               'f1': [4, 4, np.nan, np.nan]}
diff --git a/src/python/nimbusml/tests/preprocessing/normalization/test_robustscaler.py b/src/python/nimbusml/tests/preprocessing/normalization/test_robustscaler.py
index da854164..8511cc3b 100644
--- a/src/python/nimbusml/tests/preprocessing/normalization/test_robustscaler.py
+++ b/src/python/nimbusml/tests/preprocessing/normalization/test_robustscaler.py
@@ -2,6 +2,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 # --------------------------------------------------------------------------------------------
+import platform
 import unittest
 
 import pandas
@@ -9,6 +10,7 @@
 from nimbusml.preprocessing.normalization import RobustScaler
 
 
+@unittest.skipIf('centos' in platform.linux_distribution()[0].lower())
 class TestRobustScaler(unittest.TestCase):
 
     def test_with_integer_inputs(self):
diff --git a/src/python/nimbusml/tests/preprocessing/test_datetimesplitter.py b/src/python/nimbusml/tests/preprocessing/test_datetimesplitter.py
index aecfc20e..4407dd55 100644
--- a/src/python/nimbusml/tests/preprocessing/test_datetimesplitter.py
+++ b/src/python/nimbusml/tests/preprocessing/test_datetimesplitter.py
@@ -3,6 +3,7 @@
 # Licensed under the MIT License.
 # --------------------------------------------------------------------------------------------
 
+import platform
 import unittest
 
 import pandas
@@ -12,6 +13,7 @@
 from sklearn.utils.testing import assert_equal
 
 
+@unittest.skipIf('centos' in platform.linux_distribution()[0].lower())
 class TestDateTimeSplitter(unittest.TestCase):
 
     def test_check_estimator_DateTimeSplitter(self):
diff --git a/src/python/nimbusml/tests/preprocessing/test_tokeyimputer.py b/src/python/nimbusml/tests/preprocessing/test_tokeyimputer.py
index 85c501c7..29661bf2 100644
--- a/src/python/nimbusml/tests/preprocessing/test_tokeyimputer.py
+++ b/src/python/nimbusml/tests/preprocessing/test_tokeyimputer.py
@@ -3,6 +3,7 @@
 # Licensed under the MIT License.
 # --------------------------------------------------------------------------------------------
 
+import platform
 import unittest
 
 import numpy as np
@@ -10,6 +11,7 @@
 from nimbusml.preprocessing import ToKeyImputer
 
 
+@unittest.skipIf('centos' in platform.linux_distribution()[0].lower())
 class TestToKeyImputer(unittest.TestCase):
 
     def test_tokeyimputer(self):
diff --git a/src/python/nimbusml/tests/preprocessing/test_tostring.py b/src/python/nimbusml/tests/preprocessing/test_tostring.py
index edb11d63..e091a4a5 100644
--- a/src/python/nimbusml/tests/preprocessing/test_tostring.py
+++ b/src/python/nimbusml/tests/preprocessing/test_tostring.py
@@ -3,6 +3,7 @@
 # Licensed under the MIT License.
 # --------------------------------------------------------------------------------------------
 
+import platform
 import unittest
 
 import numpy as np
@@ -11,6 +12,7 @@
 from sklearn.utils.testing import assert_equal
 
 
+@unittest.skipIf('centos' in platform.linux_distribution()[0].lower())
 class TestToString(unittest.TestCase):
 
     def test_tostring(self):
diff --git a/src/python/nimbusml/tests/timeseries/test_timeseriesimputer.py b/src/python/nimbusml/tests/timeseries/test_timeseriesimputer.py
index 98c9e21b..8a649f0e 100644
--- a/src/python/nimbusml/tests/timeseries/test_timeseriesimputer.py
+++ b/src/python/nimbusml/tests/timeseries/test_timeseriesimputer.py
@@ -3,6 +3,7 @@
 # Licensed under the MIT License.
 # --------------------------------------------------------------------------------------------
 
+import platform
 import unittest
 
 import numpy as np
@@ -10,6 +11,7 @@
 from nimbusml.timeseries import TimeSeriesImputer
 
 
+@unittest.skipIf('centos' in platform.linux_distribution()[0].lower())
 class TestTimeSeriesImputer(unittest.TestCase):
 
     def test_timeseriesimputer_adds_new_row(self):
diff --git a/src/python/tests/test_estimator_checks.py b/src/python/tests/test_estimator_checks.py
index 4a4bd65f..18a5ba31 100644
--- a/src/python/tests/test_estimator_checks.py
+++ b/src/python/tests/test_estimator_checks.py
@@ -7,6 +7,7 @@
 """
 import json
 import os
+import platform
 import unittest
 
 from nimbusml.cluster import KMeansPlusPlus
@@ -282,6 +283,13 @@
     'TimeSeriesImputer'
 ])
 
+if 'centos' in platform.linux_distribution()[0].lower():
+    skip_epoints |= set([
+        'DateTimeSplitter',
+        'RobustScaler',
+        'ToKeyImputer',
+        'ToString'])
+
 
 def load_json(file_path):
     with open(file_path) as f: