diff --git a/resources/machines/fdmprinter.json b/resources/machines/fdmprinter.json
index b96385c7bc..96b0f88ef7 100644
--- a/resources/machines/fdmprinter.json
+++ b/resources/machines/fdmprinter.json
@@ -1458,17 +1458,6 @@
                     "visible": false,
                     "enabled": "support_enable"
                 },
-                "support_minimal_diameter": {
-                    "label": "Minimum Diameter",
-                    "description": "Minimum diameter in the X/Y directions of a small area which is to be supported by a specialized support tower.",
-                    "unit": "mm",
-                    "type": "float",
-                    "default": 1,
-                    "min_value": "0",
-                    "max_value_warning": "10",
-                    "visible": false,
-                    "enabled": "support_enable"
-                },
                 "support_tower_diameter": {
                     "label": "Tower Diameter",
                     "description": "The diameter of a special tower.",