diff --git a/specification/keyvault/resource-manager/Microsoft.KeyVault/stable/2019-09-01/keys.json b/specification/keyvault/resource-manager/Microsoft.KeyVault/stable/2019-09-01/keys.json
index ff2670e0d858..3f54b0e4e718 100644
--- a/specification/keyvault/resource-manager/Microsoft.KeyVault/stable/2019-09-01/keys.json
+++ b/specification/keyvault/resource-manager/Microsoft.KeyVault/stable/2019-09-01/keys.json
@@ -461,14 +461,12 @@
               "name": "JsonWebKeyOperation",
               "modelAsString": true
             }
-          },
-          "readOnly": true
+          }
         },
         "keySize": {
           "type": "integer",
           "format": "int32",
-          "description": "The key size in bits. For example: 2048, 3072, or 4096 for RSA.",
-          "readOnly": true
+          "description": "The key size in bits. For example: 2048, 3072, or 4096 for RSA."
         },
         "curveName": {
           "type": "string",