diff --git a/Makefile.am b/Makefile.am
index c16a1cf6e4..99b4556056 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -398,7 +398,6 @@ EXTRA_DIST =						\
   build-aux/compile-all.scm				\
   build-aux/hydra/evaluate.scm				\
   build-aux/hydra/gnu-system.scm			\
-  build-aux/hydra/demo-os.scm				\
   build-aux/hydra/guix.scm				\
   build-aux/check-available-binaries.scm		\
   build-aux/check-final-inputs-self-contained.scm	\