diff --git a/openapi/sms/v1/partner-callbacks.yaml b/openapi/sms/v1/partner-callbacks.yaml
index 8eb1b27..2fbd8e9 100644
--- a/openapi/sms/v1/partner-callbacks.yaml
+++ b/openapi/sms/v1/partner-callbacks.yaml
@@ -99,10 +99,6 @@ components:
                 description: 'Original provider (vendor) message ID, used for troubleshooting directly with the vendor'
               minItems: 1
               description: 'Original message IDs from the provider (vendor) can be used to aid troubleshooting with the provider'
-            messageParts:
-              type: integer
-              example: 3
-              minimum: 0
     DeliveryReportSuccess:
       allOf:
         - $ref: '#/components/schemas/DeliveryReport'
diff --git a/openapi/sms/v1/partner-service.yaml b/openapi/sms/v1/partner-service.yaml
index 6e61f32..1a19a86 100644
--- a/openapi/sms/v1/partner-service.yaml
+++ b/openapi/sms/v1/partner-service.yaml
@@ -289,14 +289,6 @@ components:
       allOf:
         - $ref: './common.yaml#/components/schemas/Message'
         - $ref: './common.yaml#/components/schemas/EmarsysMessageId'
-        - type: object
-          properties:
-            isTransactional:
-              type: boolean
-              example: true
-              description: 'A transactional SMS is typically an automated SMS message sent in response to an event or action triggered by a contact.'
-              required:
-                - isTransactional
     OutboundMessageBatch:
       type: object
       properties: