diff --git a/config/CONFIG_HOST_ARCH.UnixCommon b/config/CONFIG_HOST_ARCH.UnixCommon
index 52e3a55b8..949868a4a 100644
--- a/config/CONFIG_HOST_ARCH.UnixCommon
+++ b/config/CONFIG_HOST_ARCH.UnixCommon
@@ -8,6 +8,7 @@ MV = mv
 RM = rm -f
 MKDIR = mkdir
 RMDIR = rm -rf
+CWD  =$(PERL) $(EPICS_BASE_HOST_BIN)/cwd.pl
 CHMOD = "/bin/chmod"
 WHAT = what
 
diff --git a/config/CONFIG_HOST_ARCH.WIN32 b/config/CONFIG_HOST_ARCH.WIN32
index e1fcbbda6..8d815c0bb 100644
--- a/config/CONFIG_HOST_ARCH.WIN32
+++ b/config/CONFIG_HOST_ARCH.WIN32
@@ -8,6 +8,7 @@ MV   =$(PERL) $(EPICS_BASE_HOST_BIN)/mv.pl
 RM   =$(PERL) $(EPICS_BASE_HOST_BIN)/rm.pl -f
 MKDIR=$(PERL) $(EPICS_BASE_HOST_BIN)/mkdir.pl
 RMDIR=$(PERL) $(EPICS_BASE_HOST_BIN)/rm.pl -rf
+CWD  =$(PERL) $(EPICS_BASE_HOST_BIN)/cwd.pl
 CHMOD=echo
 WHAT=echo
 ECHO=echo
diff --git a/config/Makefile.Host b/config/Makefile.Host
index cbc1788bc..bd74bb0b1 100644
--- a/config/Makefile.Host
+++ b/config/Makefile.Host
@@ -23,12 +23,9 @@ CONFIGS += CONFIG_SITE
 CONFIGS += CONFIG_SITE_ENV
 CONFIGS += $(subst ../,,$(wildcard ../CONFIG_SITE*))
 
-CONFIGS += RULES.Db
 CONFIGS += RULES.Host
 CONFIGS += RULES.Unix
 CONFIGS += RULES.Vx
-CONFIGS += RULES.ioc
-CONFIGS += RULES.iocBoot
 CONFIGS += RULES_ARCHS
 CONFIGS += RULES_DIRS
 CONFIGS += RULES_TOP