1 files changed, 0 insertions, 19 deletions
diff --git a/Lib/importlib/_itertools.py b/Lib/importlib/_itertools.py
deleted file mode 100644
index dd45f2f0966..00000000000
--- a/Lib/importlib/_itertools.py
+++ /dev/null
@@ -1,19 +0,0 @@
-from itertools import filterfalse
-
-
-def unique_everseen(iterable, key=None):
-    "List unique elements, preserving order. Remember all elements ever seen."
-    # unique_everseen('AAAABBBCCDAABBB') --> A B C D
-    # unique_everseen('ABBCcAD', str.lower) --> A B C D
-    seen = set()
-    seen_add = seen.add
-    if key is None:
-        for element in filterfalse(seen.__contains__, iterable):
-            seen_add(element)
-            yield element
-    else:
-        for element in iterable:
-            k = key(element)
-            if k not in seen:
-                seen_add(k)
-                yield element