diff --git a/MANIFEST.in b/MANIFEST.in
index b79c1e7a..8242644e 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -34,5 +34,3 @@ include test/test_url.py
 include documentation/*.rst
 include documentation/pyserial.png
 include documentation/conf.py
-include documentation/Makefile
-