diff --git a/build/pkgs/sagelib/src/MANIFEST.in b/build/pkgs/sagelib/src/MANIFEST.in
index 7123d149222..f261574e834 100644
--- a/build/pkgs/sagelib/src/MANIFEST.in
+++ b/build/pkgs/sagelib/src/MANIFEST.in
@@ -6,3 +6,5 @@ prune .tox
 
 graft   sage/libs/gap/test
 prune sage/ext/interpreters   # In particular, __init__.py must not be present in the distribution; or sage_setup.autogen.interpreters.rebuild will not generate the code
+
+prune sage_setup/docbuild     # Shipped by sage_setup.docbuild