diff --git a/fern/openapi-overrides.yml b/fern/openapi-overrides.yml
index 49fc2592..17093555 100644
--- a/fern/openapi-overrides.yml
+++ b/fern/openapi-overrides.yml
@@ -940,20 +940,7 @@ paths:
           content:
             text/event-stream:
               schema:
-                x-fern-type-name: LettaStreamingResponse
-                oneOf:
-                  - $ref: '#/components/schemas/SystemMessage'
-                  - $ref: '#/components/schemas/UserMessage'
-                  - $ref: '#/components/schemas/ReasoningMessage'
-                  - $ref: '#/components/schemas/HiddenReasoningMessage'
-                  - $ref: '#/components/schemas/ToolCallMessage'
-                  - $ref: '#/components/schemas/ToolReturnMessage'
-                  - $ref: '#/components/schemas/AssistantMessage'
-                  - $ref: '#/components/schemas/ApprovalRequestMessage'
-                  - $ref: '#/components/schemas/ApprovalResponseMessage'
-                  - $ref: '#/components/schemas/LettaPing'
-                  - $ref: '#/components/schemas/LettaStopReason'
-                  - $ref: '#/components/schemas/LettaUsageStatistics'
+                $ref: '#/components/schemas/LettaStreamingResponse'
   /v1/health/:
     get:
       x-fern-sdk-group-name: