diff --git a/resources/definitions/elegoo_neptune_4.def.json b/resources/definitions/elegoo_neptune_4.def.json
index 2e28deb63aa..21fd28f6f73 100644
--- a/resources/definitions/elegoo_neptune_4.def.json
+++ b/resources/definitions/elegoo_neptune_4.def.json
@@ -13,11 +13,7 @@
         "acceleration_print": { "value": 3000 },
         "acceleration_travel": { "value": 5000 },
         "cool_fan_full_layer": { "value": 2 },
-        "infill_line_width":
-        {
-            "default_value": 0.45,
-            "value": "line_width + 0.05"
-        },
+        "infill_line_width": { "value": "line_width + 0.05" },
         "infill_overlap": { "value": "0 if infill_sparse_density < 40.01 and infill_pattern != 'concentric' else -5" },
         "initial_layer_line_width_factor": { "value": "100.0 if resolveOrValue('adhesion_type') == 'raft' else 125 if line_width < 0.5 else 110" },
         "machine_acceleration": { "value": 3000 },
@@ -54,7 +50,6 @@
         },
         "speed_layer_0":
         {
-            "default_value": 60,
             "maximum_value_warning": "500",
             "value": 60
         },
@@ -73,37 +68,31 @@
         "speed_support_roof": { "maximum_value_warning": "500" },
         "speed_topbottom":
         {
-            "default_value": 125,
             "maximum_value_warning": "500",
             "value": "speed_wall"
         },
         "speed_travel":
         {
-            "default_value": 250,
             "maximum_value_warning": "500",
             "value": "speed_print"
         },
         "speed_travel_layer_0":
         {
-            "default_value": 200,
             "maximum_value_warning": "500",
             "value": "speed_layer_0*2"
         },
         "speed_wall":
         {
-            "default_value": 125,
             "maximum_value_warning": "500",
             "value": "speed_print / 2"
         },
         "speed_wall_0":
         {
-            "default_value": 125,
             "maximum_value_warning": "500",
             "value": "speed_wall"
         },
         "speed_wall_x":
         {
-            "default_value": 200,
             "maximum_value_warning": "500",
             "value": "speed_wall + (speed_wall / 2)"
         }