--- Makefile.am.orig	2020-06-15 21:43:09 UTC
+++ Makefile.am
@@ -6,7 +6,7 @@ if ENABLE_GETTEXT
    LOCALE_DIR = locale
 endif
 
-SUBDIRS = admin crosscompile-windows src lisp-utils tests doc interfaces share demo plotting desktopintegration $(LOCALE_DIR)
+SUBDIRS = admin crosscompile-windows src lisp-utils interfaces share plotting desktopintegration $(LOCALE_DIR)
 
 EXTRA_DIST = \
   common.mk maxima.iss.in \