diff --git a/schemas/legacy.json b/schemas/legacy.json
index c199817..4db3077 100644
--- a/schemas/legacy.json
+++ b/schemas/legacy.json
@@ -847,9 +847,6 @@
                 "MaxReading": {
                     "$ref": "#/$defs/Types/MaxReading"
                 },
-                "Units": {
-                    "$ref": "#/$defs/Types/Units"
-                },
                 "MinReading": {
                     "$ref": "#/$defs/Types/MinReading"
                 },