diff --git a/test/ioc/startioc b/test/ioc/startioc
index 79c4ad2..1d62f43 100755
--- a/test/ioc/startioc
+++ b/test/ioc/startioc
@@ -1,6 +1,5 @@
 #!/usr/bin/env bash
 export EPICS_BASE=/usr/local/epics/base-7.0.7
-export EPICS_HOST_ARCH=linux-x86_64
 export EPICS_CA_AUTO_ADDR_LIST=NO
 export EPICS_CAS_INTF_ADDR_LIST=127.0.0.1
 export EPICS_CA_ADDR_LIST=127.0.0.1