diff --git a/MANIFEST.in b/MANIFEST.in
index ede0827c..291cf2df 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,12 +1,6 @@
 include LICENSE
 include CHANGELOG.md
 include README.md
-include XML2RFC-OPENPGP-KEYS.txt
-include test.py
-include tests/input/*
-include tests/cache/*
-include tests/valid/*
-include tox.ini
 include requirements.txt
 include xml2rfc/data/*
 include xml2rfc/templates/*