diff --git a/lib/graphql/types.js b/lib/graphql/types.js
index 26622c37..e2d8595e 100644
--- a/lib/graphql/types.js
+++ b/lib/graphql/types.js
@@ -29,7 +29,7 @@ type OperatorInfo {
 }
 
 type MachineInfo {
-  deviceId: String!
+  deviceId: String! @deprecated(reason: "unused by the machine")
   deviceName: String
   numberOfCassettes: Int
   numberOfRecyclers: Int