diff --git a/src/calibre/library/caches.py b/src/calibre/library/caches.py
index 998c21c50c..72e39e5651 100644
--- a/src/calibre/library/caches.py
+++ b/src/calibre/library/caches.py
@@ -229,9 +229,6 @@ class ResultCache(SearchQueryParser): # {{{
     def __init__(self, FIELD_MAP, field_metadata, db_prefs=None):
         self.FIELD_MAP = FIELD_MAP
         l = get_lang()
-        asciize_author_names = l and l.lower() in ('en', 'eng')
-        if not asciize_author_names:
-            self.ascii_name = lambda x: False
         self.db_prefs = db_prefs
         self.composites = {}
         self.udc = get_udc()
@@ -281,15 +278,6 @@ class ResultCache(SearchQueryParser): # {{{
 
     # Search functions {{{
 
-    def ascii_name(self, name):
-        try:
-            ans = self.udc.decode(name)
-            if ans == name:
-                ans = False
-        except:
-            ans = False
-        return ans
-
     def universal_set(self):
         return set([i[0] for i in self._data if i is not None])
 
@@ -807,9 +795,6 @@ class ResultCache(SearchQueryParser): # {{{
                     if loc not in exclude_fields: # time for text matching
                         if is_multiple_cols[loc] is not None:
                             vals = [v.strip() for v in item[loc].split(is_multiple_cols[loc])]
-                            if loc == au_loc:
-                                vals += filter(None, map(self.ascii_name,
-                                    vals))
                         else:
                             vals = [item[loc]] ### make into list to make _match happy
                         if _match(q, vals, matchkind):