diff --git a/tests/_support_server.pm b/tests/_support_server.pm
index e0a496ef..60c88ec0 100644
--- a/tests/_support_server.pm
+++ b/tests/_support_server.pm
@@ -20,15 +20,7 @@ sub run {
     ## ISCSI
 
     # start up iscsi target
-    # different backing store for PowerPC and other arches
-    # on PowerPC, the installation disk is set on /dev/vdb
-    # so the iscsi backing store must be the /dev/vda
-    if (get_var('OFW')) {
-        assert_script_run "printf '<target iqn.2016-06.local.domain:support.target1>\n    backing-store /dev/vda\n    incominguser test weakpassword\n</target>' > /etc/tgt/conf.d/openqa.conf";
-    } else {
-        assert_script_run "printf '<target iqn.2016-06.local.domain:support.target1>\n    backing-store /dev/vdb\n    incominguser test weakpassword\n</target>' > /etc/tgt/conf.d/openqa.conf";
-    }
-
+    assert_script_run "printf '<target iqn.2016-06.local.domain:support.target1>\n    backing-store /dev/vdb\n    incominguser test weakpassword\n</target>' > /etc/tgt/conf.d/openqa.conf";
     # open firewall port
     assert_script_run "firewall-cmd --add-service=iscsi-target";
     assert_script_run "systemctl restart tgtd.service";