diff --git a/test-data-regression/test_settings_mmi_.yml b/test-data-regression/test_settings_mmi_.yml
index a8e30ab7d9..1b15c64019 100644
--- a/test-data-regression/test_settings_mmi_.yml
+++ b/test-data-regression/test_settings_mmi_.yml
@@ -13,8 +13,6 @@ settings:
   output_positions: null
   outputs: 4
   post_process: null
-  straight:
-    function: straight
   taper:
     function: taper
   width: null