diff --git a/configure/E3/CONFIG_EXPORT b/configure/E3/CONFIG_EXPORT
index e5ab2181f4b2ab128afac228d7d67b20d64d7f67..6aeb4e9b4da846de22e6e29cd2d5f2239ec80475 100644
--- a/configure/E3/CONFIG_EXPORT
+++ b/configure/E3/CONFIG_EXPORT
@@ -1,12 +1,6 @@
 # Variables should be transferred to module_name.makefile
 
-EPICS_HOST_ARCH:=$(shell $(EPICS_BASE)/startup/EpicsHostArch.pl 2> /dev/null)
-
-# In near future, BASE may drop "startup" directory, so
-# Note that the following line is not the same as e3-base, CONFIG_EXPORT
-ifeq ($(strip $(EPICS_HOST_ARCH)),)
 EPICS_HOST_ARCH:=$(shell perl $(EPICS_BASE)/lib/perl/EpicsHostArch.pl 2> /dev/null)
-endif
 
 MSI:=$(EPICS_BASE)/bin/$(EPICS_HOST_ARCH)/msi
 
diff --git a/configure/modules/CONFIG_EXPORT b/configure/modules/CONFIG_EXPORT
index 8ed09578dd9a3b5145e074be7938870de99ff4a8..6d5b66093de4e210d1c539f72b5e2ea155d3a2f9 100644
--- a/configure/modules/CONFIG_EXPORT
+++ b/configure/modules/CONFIG_EXPORT
@@ -1,12 +1,6 @@
 # Variables should be transferred to module_name.makefile
 
-EPICS_HOST_ARCH:=$(shell $(EPICS_BASE)/startup/EpicsHostArch.pl 2> /dev/null)
-
-# In near future, BASE may drop "startup" directory, so
-# Note that the following line is not the same as e3-base, CONFIG_EXPORT
-ifeq ($(strip $(EPICS_HOST_ARCH)),)
 EPICS_HOST_ARCH:=$(shell perl $(EPICS_BASE)/lib/perl/EpicsHostArch.pl 2> /dev/null)
-endif
 
 MSI:=$(EPICS_BASE)/bin/$(EPICS_HOST_ARCH)/msi
 
diff --git a/require-ess/tools/setE3Env.bash b/require-ess/tools/setE3Env.bash
index d8294f4a07582328dbf364695d9d9368061de37b..6cd4127bde80936e33e823ccc11baf3412220438 100644
--- a/require-ess/tools/setE3Env.bash
+++ b/require-ess/tools/setE3Env.bash
@@ -214,12 +214,7 @@ else
 
 fi
 
-epics_host_arch_file="${EPICS_BASE}/startup/EpicsHostArch.pl"
-if [ -e "$epics_host_arch_file" ]; then
-  EPICS_HOST_ARCH=$("${EPICS_BASE}/startup/EpicsHostArch.pl")
-else
-  EPICS_HOST_ARCH=$(perl "${EPICS_BASE}"/lib/perl/EpicsHostArch.pl)
-fi
+EPICS_HOST_ARCH=$(perl "${EPICS_BASE}"/lib/perl/EpicsHostArch.pl)
 
 E3_REQUIRE_BIN=${E3_REQUIRE_LOCATION}/bin
 E3_REQUIRE_LIB=${E3_REQUIRE_LOCATION}/lib