diff --git a/Sources/AmiiboService/openapi.yaml b/Sources/AmiiboService/openapi.yaml
index bab587b..cab0865 100644
--- a/Sources/AmiiboService/openapi.yaml
+++ b/Sources/AmiiboService/openapi.yaml
@@ -541,11 +541,8 @@ components:
         amiibo: 
           description: A container that have zero, one or more amiibos.
           oneOf:
-            - type: 'null'
             - $ref: '#/components/schemas/Amiibo'
             - $ref: '#/components/schemas/AmiiboList'
-      required:
-        - amiibo
     AmiiboSeriesWrapper:
       description: A type that wraps either one or a list of amiibo series.
       type: object
@@ -603,4 +600,4 @@ components:
           type: string
       required:
         - code
-        - error
\ No newline at end of file
+        - error