diff --git a/xero_accounting.yaml b/xero_accounting.yaml
index 8b09bb06a..c8de72d8d 100644
--- a/xero_accounting.yaml
+++ b/xero_accounting.yaml
@@ -14,7 +14,6 @@ paths:
   /Accounts:
     parameters:
       - $ref: "#/components/parameters/requiredHeader"
-        type: string
     get:
       security:
         - OAuth2: