diff --git a/resources/default_tweaks.py b/resources/default_tweaks.py
index a359f73be1..972552ad09 100644
--- a/resources/default_tweaks.py
+++ b/resources/default_tweaks.py
@@ -230,7 +230,8 @@ per_language_title_sort_articles = {
         'ron'  : (r'Un\s+', r'O\s+', r'Nişte\s+', ),
         # German
         'deu'  : (r'Der\s+', r'Die\s+', r'Das\s+', r'Den\s+', r'Ein\s+',
-                  r'Eine\s+', r'Einen\s+', r'Dem\s+', ),
+                  r'Eine\s+', r'Einen\s+', r'Dem\s+', r'Des\s+', r'Einem\s+',
+                  r'Eines\s+'),
         # Dutch
         'nld'  : (r'De\s+', r'Het\s+', r'Een\s+', r"'n\s+", r"'s\s+", r'Ene\s+',
                   r'Ener\s+', r'Enes\s+', r'Den\s+', r'Der\s+', r'Des\s+',
diff --git a/src/calibre/gui2/duplicates.py b/src/calibre/gui2/duplicates.py
index cc6da1e995..6e45b0e9e6 100644
--- a/src/calibre/gui2/duplicates.py
+++ b/src/calibre/gui2/duplicates.py
@@ -8,4 +8,3 @@ __copyright__ = '2011, Kovid Goyal <kovid@kovidgoyal.net>'
 __docformat__ = 'restructuredtext en'
 
 
-