--- Makefile.am.orig
+++ Makefile.am
@@ -41,44 +41,21 @@
 	$(distdir).tar.gz $(distdir).tar.bz2
 
 SUBDIRS = lib src include doc contrib control
-IANA_PEN = http://www.iana.org/assignments/enterprise-numbers
 
 dist-hook:
 	cp control/ipmitool.spec $(distdir)
 
 .PHONY: install-pen-database uninstall-pen-database
-.INTERMEDIATE: %.o %.la enterprise-numbers
+.INTERMEDIATE: %.o %.la
 
-if DOWNLOAD
-
-enterprise-numbers:
-	@echo Downloading IANA PEN database...
-	@$(DOWNLOAD) "$(IANA_PEN)" > tmpfile.$$PPID || {\
-		echo "FAILED to download the IANA PEN database"; \
-		rm tmpfile.$$PPID; \
-		false; \
-	}
-	@mv tmpfile.$$PPID $@
-
-install-pen-database: enterprise-numbers
-	mkdir -m 755 -p $(DESTDIR)$(IANADIR)
-	$(INSTALL_DATA) $< $(DESTDIR)$(IANADIR)/
-
-uninstall-pen-database:
-	-rm -rf $(DESTDIR)$(IANADIR)/enterprise-numbers
-
-else
-
 install-pen-database:
-	@echo "*** NOT installing the IANA PEN database."
-	@echo "*** Don't know how to download it."
+	@echo "*** Not installing the IANA PEN database; it is provided by the"
+	@echo "*** iana-enterprise-numbers MacPorts port."
 
 uninstall-pen-database:
-	@echo "*** NOT uninstalling the IANA PEN database."
-	@echo "*** It was installed manually (if ever)."
+	@echo "*** Not uninstalling the IANA PEN database; it is provided by the"
+	@echo "*** iana-enterprise-numbers MacPorts port."
 
-endif
-
 install-data-local: install-pen-database
 	mkdir -p $(DESTDIR)$(DOCDIR)
 	$(INSTALL_DATA) $(DOCLIST) $(DESTDIR)$(DOCDIR)
--- doc/ipmievd.8.in.orig
+++ doc/ipmievd.8.in
@@ -221,7 +221,8 @@
 .SH FILES
 .TP
 .B @IANADIR@/enterprise-numbers
-system IANA PEN registry taken from http://www.iana.org/assignments/enterprise-numbers
+system IANA PEN registry taken from
+https://www.iana.org/assignments/enterprise-numbers.txt
 .TP
 .B ~/@IANAUSERDIR@/enterprise-numbers
 user's override for the system IANA PEN registry, this file if it exists is loaded instead
--- doc/ipmitool.1.in.orig
+++ doc/ipmitool.1.in
@@ -3831,7 +3831,8 @@
 .SH FILES
 .TP
 .B @IANADIR@/enterprise-numbers
-system IANA PEN registry taken from http://www.iana.org/assignments/enterprise-numbers
+system IANA PEN registry taken from
+https://www.iana.org/assignments/enterprise-numbers.txt
 .TP
 .B ~/@IANAUSERDIR@/enterprise-numbers
 user's override for the system IANA PEN registry, this file if it exists is loaded instead