diff --git a/Makefile b/Makefile
index 899de4dd4..5ab39416a 100644
--- a/Makefile
+++ b/Makefile
@@ -11,19 +11,12 @@
 #
 TOP = ../..
 
-# If a <top>/configure directory exists, build with 3.14 rules, else
-# use <top>/config and the 3.13 rules.
-ifeq (0, $(words $(notdir $(wildcard $(TOP)/configure))))
-  include $(TOP)/config/CONFIG_EXTENSIONS
-  include $(TOP)/config/RULES_ARCHS
-else
-  include $(TOP)/configure/CONFIG
+include $(TOP)/configure/CONFIG
 
-  PROD_HOST = msi
-  HTMLS = msi.html
+PROD_HOST = msi
+HTMLS = msi.html
 
-  msi_SRCS = msi.c
-  PROD_LIBS += Com
+msi_SRCS = msi.c
+PROD_LIBS += Com
 
-  include $(TOP)/configure/RULES
-endif
+include $(TOP)/configure/RULES
diff --git a/Makefile.Host b/Makefile.Host
deleted file mode 100644
index 1e5493b63..000000000
--- a/Makefile.Host
+++ /dev/null
@@ -1,21 +0,0 @@
-#*************************************************************************
-# Copyright (c) 2002 The University of Chicago, as Operator of Argonne
-# National Laboratory.
-# Copyright (c) 2002 The Regents of the University of California, as
-# Operator of Los Alamos National Laboratory.
-# This file is distributed subject to a Software License Agreement found
-# in the file LICENSE that is included with this distribution. 
-#*************************************************************************
-TOP = ../../..
-include $(TOP)/config/CONFIG_EXTENSIONS
-
-
-PROD_LIBS += Com
-
-HTMLS += msi.html
-
-SRCS.c= ../msi.c
-PROD = msi
-
-include $(TOP)/config/RULES.Host
-