diff --git a/Test/test_cmor_half_levels.py b/Test/test_cmor_half_levels.py
index 2d1db3f5..c377aa80 100644
--- a/Test/test_cmor_half_levels.py
+++ b/Test/test_cmor_half_levels.py
@@ -5,15 +5,6 @@
 import sys
 import common
 
-try:
-    import cdms2
-    cdms2.setNetcdfShuffleFlag(0)
-    cdms2.setNetcdfDeflateFlag(0)
-    cdms2.setNetcdfDeflateLevelFlag(0)
-except BaseException:
-    print("This test code needs a recent cdms2 interface for i/0")
-    sys.exit()
-
 varin3d = ["MC", ]
 
 n3d = len(varin3d)
diff --git a/Test/test_cmor_half_levels_with_bounds.py b/Test/test_cmor_half_levels_with_bounds.py
index 630d9d55..fd22843d 100644
--- a/Test/test_cmor_half_levels_with_bounds.py
+++ b/Test/test_cmor_half_levels_with_bounds.py
@@ -4,15 +4,6 @@
 import os
 import sys
 
-try:
-    import cdms2
-    cdms2.setNetcdfShuffleFlag(0)
-    cdms2.setNetcdfDeflateFlag(0)
-    cdms2.setNetcdfDeflateLevelFlag(0)
-except BaseException:
-    print("This test code needs a recent cdms2 interface for i/0")
-    sys.exit()
-
 specs = {"CLOUD": {"convert": [2.0, 0.], "units": "%", "entry": "cl", "positive": ""},
          "U": {"convert": [1., -40.], "units": "m s-1", "entry": "ua", "positive": ""},
          "T": {"convert": [1., 220], "units": "K", "entry": "ta", "positive": ""},
diff --git a/Test/test_cmor_half_levels_wrong_generic_level.py b/Test/test_cmor_half_levels_wrong_generic_level.py
index b251f2dc..f5f7d2f0 100644
--- a/Test/test_cmor_half_levels_wrong_generic_level.py
+++ b/Test/test_cmor_half_levels_wrong_generic_level.py
@@ -4,15 +4,6 @@
 import os
 import sys
 
-try:
-    import cdms2
-    cdms2.setNetcdfShuffleFlag(0)
-    cdms2.setNetcdfDeflateFlag(0)
-    cdms2.setNetcdfDeflateLevelFlag(0)
-except BaseException:
-    print("This test code needs a recent cdms2 interface for i/0")
-    sys.exit()
-
 specs = {"CLOUD": {"convert": [2.0, 0.], "units": "%", "entry": "cl", "positive": ""},
          "U": {"convert": [1., -40.], "units": "m s-1", "entry": "ua", "positive": ""},
          "T": {"convert": [1., 220], "units": "K", "entry": "ta", "positive": ""},