diff --git a/resources/definitions/ankermake_m5c.def.json b/resources/definitions/ankermake_m5c.def.json
index 4dec5ba3ad..8a131534be 100644
--- a/resources/definitions/ankermake_m5c.def.json
+++ b/resources/definitions/ankermake_m5c.def.json
@@ -99,7 +99,6 @@
         "machine_height": { "value": 250 },
         "machine_max_jerk_e": { "value": 5 },
         "machine_max_jerk_xy": { "value": 30 },
-        "machine_max_jerk_xy": { "value": 30 },
         "machine_max_jerk_z": { "value": 0.3 },
         "machine_name": { "default_value": "AnkerMake M5" },
         "machine_shape": { "value": "rectangular" },