diff --git a/smt/tests/test_all.py b/smt/tests/test_all.py
index 72eeb8038..72856c1a8 100644
--- a/smt/tests/test_all.py
+++ b/smt/tests/test_all.py
@@ -13,7 +13,7 @@
 from collections import OrderedDict
 
 from smt.problems import TensorProduct
-from smt.sampling_methods import LHS, FullFactorial
+from smt.sampling_methods import LHS
 
 from smt.utils.sm_test_case import SMTestCase
 from smt.utils.silence import Silence
@@ -26,7 +26,6 @@
     KPLSK,
     GEKPLS,
     GENN,
-    MGP,
     DesignSpace,
 )
 
diff --git a/smt/tests/test_array_outputs.py b/smt/tests/test_array_outputs.py
index 88b68ded3..9a9c4d65e 100644
--- a/smt/tests/test_array_outputs.py
+++ b/smt/tests/test_array_outputs.py
@@ -3,10 +3,8 @@
 
 from smt.utils.sm_test_case import SMTestCase
 from smt.utils.silence import Silence
-from smt.surrogate_models import QP, KRG
 from smt.examples.rans_crm_wing.rans_crm_wing import (
     get_rans_crm_wing,
-    plot_rans_crm_wing,
 )
 
 
diff --git a/smt/tests/test_derivs.py b/smt/tests/test_derivs.py
index 94191dd7c..5408bdd1d 100644
--- a/smt/tests/test_derivs.py
+++ b/smt/tests/test_derivs.py
@@ -21,7 +21,7 @@
 from smt.applications import MFK
 
 try:
-    from smt.surrogate_models import IDW, RBF, RMTC, RMTB
+    from smt.surrogate_models import RBF, RMTC, RMTB
 
     COMPILED_AVAILABLE = True
 except ImportError:
diff --git a/smt/tests/test_extrap.py b/smt/tests/test_extrap.py
index b27c3c1e5..d2edec150 100644
--- a/smt/tests/test_extrap.py
+++ b/smt/tests/test_extrap.py
@@ -6,11 +6,10 @@
 
 import numpy as np
 import unittest
-import inspect
 
 from collections import OrderedDict
 
-from smt.problems import Sphere, TensorProduct
+from smt.problems import Sphere
 from smt.sampling_methods import LHS
 from smt.utils.design_space import DesignSpace
 
@@ -18,7 +17,7 @@
 from smt.utils.silence import Silence
 
 try:
-    from smt.surrogate_models import IDW, RBF, RMTC, RMTB
+    from smt.surrogate_models import RMTC, RMTB
 
     COMPILED_AVAILABLE = True
 except ImportError:
diff --git a/smt/tests/test_high_dim.py b/smt/tests/test_high_dim.py
index f91bb02ca..9732c730f 100644
--- a/smt/tests/test_high_dim.py
+++ b/smt/tests/test_high_dim.py
@@ -20,7 +20,7 @@
 from smt.surrogate_models import LS, QP, KPLS, KRG
 
 try:
-    from smt.surrogate_models import IDW, RBF, RMTC, RMTB
+    from smt.surrogate_models import IDW, RBF
 
     COMPILED_AVAILABLE = True
 except ImportError:
diff --git a/smt/tests/test_kpls_auto.py b/smt/tests/test_kpls_auto.py
index 5bab3b437..f508063cd 100644
--- a/smt/tests/test_kpls_auto.py
+++ b/smt/tests/test_kpls_auto.py
@@ -4,10 +4,8 @@
 This package is distributed under New BSD license.
 """
 
-import numpy as np
 import unittest
 import inspect
-from sys import platform
 
 from collections import OrderedDict