--- Makefile.am.orig	2022-05-09 16:39:32 UTC
+++ Makefile.am
@@ -10,7 +10,7 @@ endif
    DOC_DIR = doc
 endif
 
-SUBDIRS = admin crosscompile-windows src lisp-utils tests $(DOC_DIR) interfaces share demo plotting desktopintegration $(LOCALE_DIR)
+SUBDIRS = admin crosscompile-windows src lisp-utils tests interfaces share plotting desktopintegration $(LOCALE_DIR)
 
 EXTRA_DIST = \
   common.mk maxima.iss.in \