diff --git a/python/cucim/MANIFEST.in b/python/cucim/MANIFEST.in
index 0b40acb82..61881e2c1 100644
--- a/python/cucim/MANIFEST.in
+++ b/python/cucim/MANIFEST.in
@@ -1,7 +1,4 @@
 # https://packaging.python.org/guides/using-manifest-in/
-graft src
-graft tests
-
 include .editorconfig
 
 include src/cucim/VERSION