Remove unused imports
diff --git a/Lib/functools.py b/Lib/functools.py
index efc533c..0ac83d2 100644
--- a/Lib/functools.py
+++ b/Lib/functools.py
@@ -12,9 +12,7 @@
            'total_ordering', 'cmp_to_key', 'lfu_cache', 'lru_cache']
 
 from _functools import partial, reduce
-from collections import OrderedDict, Counter
-from heapq import nsmallest
-from operator import itemgetter
+from collections import OrderedDict
 try:
     from _thread import allocate_lock as Lock
 except: