diff --git a/resources/definitions/elegoo_neptune_4.def.json b/resources/definitions/elegoo_neptune_4.def.json
index ed4856f540..4484133bdb 100644
--- a/resources/definitions/elegoo_neptune_4.def.json
+++ b/resources/definitions/elegoo_neptune_4.def.json
@@ -11,7 +11,6 @@
     {
         "acceleration_print":
         {
-            "default_value": 10000,
             "maximum_value_warning": "20000",
             "value": 10000
         },
diff --git a/resources/definitions/elegoo_neptune_4max.def.json b/resources/definitions/elegoo_neptune_4max.def.json
index c2f6aa708c..c12953959b 100644
--- a/resources/definitions/elegoo_neptune_4max.def.json
+++ b/resources/definitions/elegoo_neptune_4max.def.json
@@ -18,7 +18,6 @@
     {
         "acceleration_print":
         {
-            "default_value": 2500,
             "maximum_value_warning": "15000",
             "value": 2500
         },
diff --git a/resources/definitions/elegoo_neptune_4plus.def.json b/resources/definitions/elegoo_neptune_4plus.def.json
index 0038e49641..7be4d1de97 100644
--- a/resources/definitions/elegoo_neptune_4plus.def.json
+++ b/resources/definitions/elegoo_neptune_4plus.def.json
@@ -18,7 +18,6 @@
     {
         "acceleration_print":
         {
-            "default_value": 4000,
             "value": 4000
         },
         "machine_acceleration": { "value": 4000 },