diff --git a/output/openapi/elasticsearch-serverless-openapi.json b/output/openapi/elasticsearch-serverless-openapi.json
index 5164d814c0..207943c3f2 100644
--- a/output/openapi/elasticsearch-serverless-openapi.json
+++ b/output/openapi/elasticsearch-serverless-openapi.json
@@ -32366,8 +32366,7 @@
           }
         },
         "required": [
-          "_index",
-          "_id"
+          "_index"
         ]
       },
       "_types:IndexName": {
diff --git a/output/schema/schema.json b/output/schema/schema.json
index 8fe02746e0..c32f8e7219 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -35609,7 +35609,7 @@
         {
           "esQuirk": "'_id' is not available when using 'stored_fields: _none_'\non a search request. Otherwise the field is always present on hits.",
           "name": "_id",
-          "required": true,
+          "required": false,
           "type": {
             "kind": "instance_of",
             "type": {
diff --git a/output/typescript/types.ts b/output/typescript/types.ts
index 9a3b6a6e81..cda90a5fbc 100644
--- a/output/typescript/types.ts
+++ b/output/typescript/types.ts
@@ -1453,7 +1453,7 @@ export type SearchHighlighterType = 'plain' | 'fvh' | 'unified'| string
 
 export interface SearchHit<TDocument = unknown> {
   _index: IndexName
-  _id: Id
+  _id?: Id
   _score?: double | null
   _explanation?: ExplainExplanation
   fields?: Record<string, any>
diff --git a/specification/_global/search/_types/hits.ts b/specification/_global/search/_types/hits.ts
index 89f82c4631..a4300dd5c1 100644
--- a/specification/_global/search/_types/hits.ts
+++ b/specification/_global/search/_types/hits.ts
@@ -43,7 +43,7 @@ export class Hit<TDocument> {
    * @es_quirk '_id' is not available when using 'stored_fields: _none_'
    * on a search request. Otherwise the field is always present on hits.
    */
-  _id: Id
+  _id?: Id
   _score?: double | null
   _explanation?: Explanation
   fields?: Dictionary<string, UserDefinedValue>