--- hpt/doc/Makefile.orig	2020-01-16 21:50:04 UTC
+++ hpt/doc/Makefile
@@ -64,7 +64,6 @@ install: info html dvi
 ifdef INFODIR
 	-$(MKDIR) $(MKDIROPT) $(DESTDIR)$(INFODIR)
 	$(INSTALL) $(IMOPT) hpt.info $(DESTDIR)$(INFODIR)
-	-install-info --info-dir=$(INFODIR)  $(DESTDIR)$(INFODIR)$(DIRSEP)hpt.info
 endif
 ifdef HTMLDIR
 	-$(MKDIR) $(MKDIROPT) $(DESTDIR)$(HTMLDIR)