diff --git a/Utilities/ReleaseScripts/scripts/duplicateReflexLibrarySearch.py b/Utilities/ReleaseScripts/scripts/duplicateReflexLibrarySearch.py
index 3a4f0f752dc52..a7e1f231fb551 100755
--- a/Utilities/ReleaseScripts/scripts/duplicateReflexLibrarySearch.py
+++ b/Utilities/ReleaseScripts/scripts/duplicateReflexLibrarySearch.py
@@ -8,10 +8,7 @@
 import pprint
 import subprocess
 from XML2Python import xml2obj
-try:
-  from subprocess import getoutput
-except:
-  from commands import getoutput
+from subprocess import getoutput
 # These aren't all typedefs, but can sometimes make the output more
 # readable
 typedefsDict = \
diff --git a/Validation/Tools/scripts/runEdmFileComparison.py b/Validation/Tools/scripts/runEdmFileComparison.py
index cbe96e03b51c1..10c463fb98135 100755
--- a/Validation/Tools/scripts/runEdmFileComparison.py
+++ b/Validation/Tools/scripts/runEdmFileComparison.py
@@ -2,7 +2,7 @@
 
 from __future__ import print_function
 import optparse
-import commands
+import subprocess
 import pprint
 import re
 import os
@@ -215,7 +215,7 @@ def label (self):
     dumpCommand = 'edmDumpEventContent %s %s' % (regexLine, filename1)
     if options.verboseDebug:
         print(dumpCommand, '\n')
-    output = commands.getoutput (dumpCommand).split("\n")
+    output = subprocess.getoutput (dumpCommand).split("\n")
     if not len(output):
         raise RuntimeError("No output from edmDumpEventContent.")
     if options.verboseDebug:
@@ -330,4 +330,4 @@ def label (self):
         summaryCmd = 'summarizeEdmComparisonLogfiles.py %s %s logfiles' \
                      % (summaryOptions, summaryMask)
         print(summaryCmd)
-        print(commands.getoutput (summaryCmd))
+        print(subprocess.getoutput (summaryCmd))
diff --git a/Validation/Tools/scripts/summarizeEdmComparisonLogfiles.py b/Validation/Tools/scripts/summarizeEdmComparisonLogfiles.py
index 17a2471282bbd..a2af145ee2ead 100755
--- a/Validation/Tools/scripts/summarizeEdmComparisonLogfiles.py
+++ b/Validation/Tools/scripts/summarizeEdmComparisonLogfiles.py
@@ -6,7 +6,7 @@
 from glob import glob
 import re
 import pprint
-import commands
+import subprocess
 countRE = re.compile (r'^count_(\w+)')
 avoid = ['index', 'print']
 
@@ -231,7 +231,7 @@ def summaryOK (summary):
                 print("diffTree %s %s" % (goShlib, compRoot))
             diffCmd = diffOutput.get(key)
             if diffCmd:                
-                print(commands.getoutput (diffCmd))
+                print(subprocess.getoutput (diffCmd))
         if not options.problem and not options.mismatch:
             print("\n", '='*78, '\n')
             print("Success list:")