diff --git a/specification/inference/_types/CommonTypes.ts b/specification/inference/_types/CommonTypes.ts
index 4ab5ce909b..e7cec1d33d 100644
--- a/specification/inference/_types/CommonTypes.ts
+++ b/specification/inference/_types/CommonTypes.ts
@@ -19,11 +19,10 @@
 
 import { RateLimitSetting } from '@inference/_types/Services'
 import { UserDefinedValue } from '@spec_utils/UserDefinedValue'
-import { RequestBase } from '@_types/Base'
 import { Id } from '@_types/common'
 import { float, integer, long } from '@_types/Numeric'
 
-export class RequestChatCompletionBase extends RequestBase {
+export class RequestChatCompletion {
   /**
    * A list of objects representing the conversation.
    */
diff --git a/specification/inference/chat_completion_unified/UnifiedRequest.ts b/specification/inference/chat_completion_unified/UnifiedRequest.ts
index a77f8e68c6..5999d5be5c 100644
--- a/specification/inference/chat_completion_unified/UnifiedRequest.ts
+++ b/specification/inference/chat_completion_unified/UnifiedRequest.ts
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-import { RequestChatCompletionBase } from '@inference/_types/CommonTypes'
+import { RequestChatCompletion } from '@inference/_types/CommonTypes'
 import { RequestBase } from '@_types/Base'
 import { Id } from '@_types/common'
 import { Duration } from '@_types/Time'
@@ -49,5 +49,5 @@ export interface Request extends RequestBase {
     timeout?: Duration
   }
   /** @codegen_name chat_completion_request */
-  body: RequestChatCompletionBase
+  body: RequestChatCompletion
 }
diff --git a/specification/inference/post_eis_chat_completion/PostEisChatCompletionRequest.ts b/specification/inference/post_eis_chat_completion/PostEisChatCompletionRequest.ts
index 2ab19abf72..5141e37051 100644
--- a/specification/inference/post_eis_chat_completion/PostEisChatCompletionRequest.ts
+++ b/specification/inference/post_eis_chat_completion/PostEisChatCompletionRequest.ts
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-import { RequestChatCompletionBase } from '@inference/_types/CommonTypes'
+import { RequestChatCompletion } from '@inference/_types/CommonTypes'
 import { RequestBase } from '@_types/Base'
 import { Id } from '@_types/common'
 /**
@@ -44,5 +44,5 @@ export interface Request extends RequestBase {
     eis_inference_id: Id
   }
   /** @codegen_name chat_completion_request */
-  body: RequestChatCompletionBase
+  body: RequestChatCompletion
 }