diff --git a/src/calibre/utils/open_with/osx.py b/src/calibre/utils/open_with/osx.py
index c297f3e37f..d4c2de968c 100644
--- a/src/calibre/utils/open_with/osx.py
+++ b/src/calibre/utils/open_with/osx.py
@@ -7,17 +7,12 @@ __copyright__ = '2015, Kovid Goyal <kovid at kovidgoyal.net>'
 
 import os, re, mimetypes, subprocess
 from collections import defaultdict
+from plistlib import loads
 
 from calibre.ptempfile import TemporaryDirectory
-from calibre.constants import ispy3
 from calibre.utils.icu import numeric_sort_key
 from polyglot.builtins import iteritems, string_or_bytes
 
-if ispy3:
-    from plistlib import loads
-else:
-    from biplist import readPlistFromString as loads
-
 application_locations = ('/Applications', '~/Applications', '~/Desktop')
 
 # Public UTI MAP {{{