diff --git a/tools/prettify/prettify.py b/tools/prettify/prettify.py
index 2e7bfb885d..93fc614d72 100755
--- a/tools/prettify/prettify.py
+++ b/tools/prettify/prettify.py
@@ -4,21 +4,13 @@ import sys
 import re
 import tempfile
 import os
-from os import path
 import logging
 import argparse
 import errno
 import contextlib
-
-try:
-    from hashlib import md5
-except ImportError:
-    from md5 import new as md5
-
-try:
-    from cStringIO import StringIO
-except ImportError:
-    from io import StringIO
+from os import path
+from hashlib import md5
+from io import StringIO
 
 from prettify_cp2k import normalizeFortranFile
 from prettify_cp2k import replacer
diff --git a/tools/prettify/prettify_cp2k/normalizeFortranFile.py b/tools/prettify/prettify_cp2k/normalizeFortranFile.py
index 2e6a69e724..6e03d1c8bf 100644
--- a/tools/prettify/prettify_cp2k/normalizeFortranFile.py
+++ b/tools/prettify/prettify_cp2k/normalizeFortranFile.py
@@ -1,12 +1,8 @@
 import sys
 import re
-from collections import deque
 import logging
-
-try:
-    from StringIO import StringIO
-except ImportError:
-    from io import StringIO
+from collections import deque
+from io import StringIO
 
 # Declare various RE snippets for building larger REs