diff --git a/code/API_definitions/device-reachability-status.yaml b/code/API_definitions/device-reachability-status.yaml
index bf891285..0e1e5d32 100644
--- a/code/API_definitions/device-reachability-status.yaml
+++ b/code/API_definitions/device-reachability-status.yaml
@@ -245,8 +245,6 @@ components:
       properties:
         device:
           $ref: "#/components/schemas/Device"
-      required:
-        - device
 
     ErrorInfo:
       type: object