diff --git a/site_ansto/instrument/util/config_edit.py b/site_ansto/instrument/util/config_edit.py
index 5a6a8d8d..dee80282 100755
--- a/site_ansto/instrument/util/config_edit.py
+++ b/site_ansto/instrument/util/config_edit.py
@@ -475,6 +475,9 @@ class InstConfigManager(object):
         for imp in self.cf_dat.iter_implementations(opt):
             if self.__imp_unavailable(opt, imp, 'focus'):
                 continue
+            elif imp == 'none' and self.cf_dat.opt_dict[opt]['permanent']:
+                continue
+
             if imp == self.cf_dat.opt_dict[opt]['selected_imp']:
                 imp_items.append((imp, True))
             else: