diff --git a/resources/definitions/SV02.def.json b/resources/definitions/SV02.def.json
index 067422354e..352cd23394 100644
--- a/resources/definitions/SV02.def.json
+++ b/resources/definitions/SV02.def.json
@@ -44,7 +44,6 @@
         "machine_max_jerk_xy": { "value": 8 },
         "machine_max_jerk_z": { "value": 0.4 },
         "machine_max_jerk_e": { "value": 5 },
-        "machine_heated_bed": { "default_value": true },
         "material_diameter": { "default_value": 1.75 },
         "infill_overlap": { "default_value": 15	},
         "acceleration_print": { "value": 500 },
diff --git a/resources/definitions/uni_base.def.json b/resources/definitions/uni_base.def.json
index 06ba86de2d..82b05f3366 100644
--- a/resources/definitions/uni_base.def.json
+++ b/resources/definitions/uni_base.def.json
@@ -138,7 +138,6 @@
         "machine_height":                    {"default_value": 250},
         "machine_extruder_count":            {"value": 2}, 
         "machine_buildplate_type":           {"value": "glass"},
-        "machine_heated_bed":                {"default_value": true},
         "machine_center_is_zero":            {"default_value": false},
         "machine_gcode_flavor":              {"default_value": "RepRap (Marlin/Sprinter)"},
         "machine_head_with_fans_polygon":    {"default_value": [
diff --git a/resources/definitions/zav_base.def.json b/resources/definitions/zav_base.def.json
index 1ef9398987..9f73419d46 100644
--- a/resources/definitions/zav_base.def.json
+++ b/resources/definitions/zav_base.def.json
@@ -147,7 +147,6 @@
         "machine_height":                    {"default_value": 270},
         "machine_extruder_count":            {"value": 1}, 
         "machine_buildplate_type":           {"value": "glass"},
-        "machine_heated_bed":                {"default_value": true},
         "machine_center_is_zero":            {"default_value": false},
         "machine_gcode_flavor":              {"default_value": "RepRap (Marlin/Sprinter)"},
         "machine_head_with_fans_polygon":    {"default_value": [