--- doc/Makefile	2022-05-01 22:03:21.000000000 +0800
+++ doc/Makefile	2023-08-22 19:12:33.000000000 +0800
@@ -3,7 +3,7 @@
 
 SPHINX = sphinx-build -a -d ./doctrees/
 
-html: *.rst fitheme/* fitheme/static/* conf.py help-message.txt
+html: *.rst fitheme/* fitheme/static/* conf.py
 	$(SPHINX) -b html . html
 	rm -f html/objects.inv html/.buildinfo