diff --git a/setup.py b/setup.py
index 414bdfd16..e26579ec1 100755
--- a/setup.py
+++ b/setup.py
@@ -39,9 +39,6 @@ MOD_NAMES = [
     'spacy.tokens.doc',
     'spacy.tokens.span',
     'spacy.tokens.token',
-    'spacy.serialize.packer',
-    'spacy.serialize.huffman',
-    'spacy.serialize.bits',
     'spacy.cfile',
     'spacy.matcher',
     'spacy.syntax.ner',