diff --git a/output/openapi/elasticsearch-openapi.json b/output/openapi/elasticsearch-openapi.json
index 5af683bfba..8090aa92da 100644
--- a/output/openapi/elasticsearch-openapi.json
+++ b/output/openapi/elasticsearch-openapi.json
@@ -83971,6 +83971,21 @@
           }
         ]
       },
+      "indices.delete_alias.IndicesAliasesResponseBody": {
+        "allOf": [
+          {
+            "$ref": "#/components/schemas/_types.AcknowledgedResponseBase"
+          },
+          {
+            "type": "object",
+            "properties": {
+              "errors": {
+                "type": "boolean"
+              }
+            }
+          }
+        ]
+      },
       "_types.DataStreamNames": {
         "oneOf": [
           {
@@ -109973,7 +109988,7 @@
         "content": {
           "application/json": {
             "schema": {
-              "$ref": "#/components/schemas/_types.AcknowledgedResponseBase"
+              "$ref": "#/components/schemas/indices.delete_alias.IndicesAliasesResponseBody"
             }
           }
         }
diff --git a/output/openapi/elasticsearch-serverless-openapi.json b/output/openapi/elasticsearch-serverless-openapi.json
index 21f4815be4..805481eecc 100644
--- a/output/openapi/elasticsearch-serverless-openapi.json
+++ b/output/openapi/elasticsearch-serverless-openapi.json
@@ -53211,6 +53211,21 @@
           }
         ]
       },
+      "indices.delete_alias.IndicesAliasesResponseBody": {
+        "allOf": [
+          {
+            "$ref": "#/components/schemas/_types.AcknowledgedResponseBase"
+          },
+          {
+            "type": "object",
+            "properties": {
+              "errors": {
+                "type": "boolean"
+              }
+            }
+          }
+        ]
+      },
       "_types.DataStreamNames": {
         "oneOf": [
           {
@@ -66131,7 +66146,7 @@
         "content": {
           "application/json": {
             "schema": {
-              "$ref": "#/components/schemas/_types.AcknowledgedResponseBase"
+              "$ref": "#/components/schemas/indices.delete_alias.IndicesAliasesResponseBody"
             }
           }
         }
diff --git a/output/schema/schema-serverless.json b/output/schema/schema-serverless.json
index 45b7618aa9..7d325fc87c 100644
--- a/output/schema/schema-serverless.json
+++ b/output/schema/schema-serverless.json
@@ -23013,8 +23013,8 @@
         "value": {
           "kind": "instance_of",
           "type": {
-            "name": "AcknowledgedResponseBase",
-            "namespace": "_types"
+            "name": "IndicesAliasesResponseBody",
+            "namespace": "indices.delete_alias"
           }
         }
       },
@@ -124078,6 +124078,33 @@
       ],
       "specLocation": "_types/Base.ts#L138-L140"
     },
+    {
+      "inherits": {
+        "type": {
+          "name": "AcknowledgedResponseBase",
+          "namespace": "_types"
+        }
+      },
+      "kind": "interface",
+      "name": {
+        "name": "IndicesAliasesResponseBody",
+        "namespace": "indices.delete_alias"
+      },
+      "properties": [
+        {
+          "name": "errors",
+          "required": false,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "boolean",
+              "namespace": "_builtins"
+            }
+          }
+        }
+      ],
+      "specLocation": "indices/delete_alias/IndicesDeleteAliasResponse.ts#L26-L28"
+    },
     {
       "kind": "interface",
       "name": {
diff --git a/output/schema/schema.json b/output/schema/schema.json
index 238bd92f85..8aea7f41a4 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -150334,6 +150334,33 @@
       },
       "specLocation": "indices/delete/IndicesDeleteResponse.ts#L22-L25"
     },
+    {
+      "kind": "interface",
+      "inherits": {
+        "type": {
+          "name": "AcknowledgedResponseBase",
+          "namespace": "_types"
+        }
+      },
+      "name": {
+        "name": "IndicesAliasesResponseBody",
+        "namespace": "indices.delete_alias"
+      },
+      "properties": [
+        {
+          "name": "errors",
+          "required": false,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "boolean",
+              "namespace": "_builtins"
+            }
+          }
+        }
+      ],
+      "specLocation": "indices/delete_alias/IndicesDeleteAliasResponse.ts#L27-L29"
+    },
     {
       "kind": "request",
       "attachedBehaviors": [
@@ -150448,8 +150475,8 @@
         "value": {
           "kind": "instance_of",
           "type": {
-            "name": "AcknowledgedResponseBase",
-            "namespace": "_types"
+            "name": "IndicesAliasesResponseBody",
+            "namespace": "indices.delete_alias"
           }
         }
       },
diff --git a/output/typescript/types.ts b/output/typescript/types.ts
index 121f447766..76bfceefcf 100644
--- a/output/typescript/types.ts
+++ b/output/typescript/types.ts
@@ -12263,6 +12263,10 @@ export interface IndicesDeleteRequest extends RequestBase {
 
 export type IndicesDeleteResponse = IndicesResponseBase
 
+export interface IndicesDeleteAliasIndicesAliasesResponseBody extends AcknowledgedResponseBase {
+  errors?: boolean
+}
+
 export interface IndicesDeleteAliasRequest extends RequestBase {
   index: Indices
   name: Names
@@ -12270,7 +12274,7 @@ export interface IndicesDeleteAliasRequest extends RequestBase {
   timeout?: Duration
 }
 
-export type IndicesDeleteAliasResponse = AcknowledgedResponseBase
+export type IndicesDeleteAliasResponse = IndicesDeleteAliasIndicesAliasesResponseBody
 
 export interface IndicesDeleteDataLifecycleRequest extends RequestBase {
   name: DataStreamNames
diff --git a/specification/indices/delete_alias/IndicesDeleteAliasResponse.ts b/specification/indices/delete_alias/IndicesDeleteAliasResponse.ts
index 9e7bdb91cd..6f5fe31dcd 100644
--- a/specification/indices/delete_alias/IndicesDeleteAliasResponse.ts
+++ b/specification/indices/delete_alias/IndicesDeleteAliasResponse.ts
@@ -21,5 +21,9 @@ import { AcknowledgedResponseBase } from '@_types/Base'
 
 export class Response {
   /** @codegen_name result */
-  body: AcknowledgedResponseBase
+  body: IndicesAliasesResponseBody
+}
+
+export class IndicesAliasesResponseBody extends AcknowledgedResponseBase {
+  errors?: boolean
 }