diff --git a/resources/settings/fdmprinter.json b/resources/settings/fdmprinter.json
index 63fc092932..01a4e36753 100644
--- a/resources/settings/fdmprinter.json
+++ b/resources/settings/fdmprinter.json
@@ -47,7 +47,6 @@
         "machine_extruder_count": {
             "default": 1
         },
-        "extruder_nr": { "default": 0 },
         "machine_extruder_trains": {
             "default": [
                 {