diff --git a/openapi-full.json b/openapi-full.json
index d65693ed2b..7c4ff1ff37 100644
--- a/openapi-full.json
+++ b/openapi-full.json
@@ -4825,18 +4825,6 @@
                     },
                     "304": {
                         "description": "No messages",
-                        "headers": {
-                            "X-Chat-Last-Common-Read": {
-                                "schema": {
-                                    "type": "string"
-                                }
-                            },
-                            "X-Chat-Last-Given": {
-                                "schema": {
-                                    "type": "string"
-                                }
-                            }
-                        },
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -4855,12 +4843,7 @@
                                                 "meta": {
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
-                                                "data": {
-                                                    "type": "array",
-                                                    "items": {
-                                                        "$ref": "#/components/schemas/ChatMessageWithParent"
-                                                    }
-                                                }
+                                                "data": {}
                                             }
                                         }
                                     }
@@ -5941,18 +5924,6 @@
                     },
                     "304": {
                         "description": "No messages",
-                        "headers": {
-                            "X-Chat-Last-Common-Read": {
-                                "schema": {
-                                    "type": "string"
-                                }
-                            },
-                            "X-Chat-Last-Given": {
-                                "schema": {
-                                    "type": "string"
-                                }
-                            }
-                        },
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -5971,12 +5942,7 @@
                                                 "meta": {
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
-                                                "data": {
-                                                    "type": "array",
-                                                    "items": {
-                                                        "$ref": "#/components/schemas/ChatMessageWithParent"
-                                                    }
-                                                }
+                                                "data": {}
                                             }
                                         }
                                     }
diff --git a/openapi.json b/openapi.json
index f1cc7f89f8..dafaa2c7c2 100644
--- a/openapi.json
+++ b/openapi.json
@@ -4712,18 +4712,6 @@
                     },
                     "304": {
                         "description": "No messages",
-                        "headers": {
-                            "X-Chat-Last-Common-Read": {
-                                "schema": {
-                                    "type": "string"
-                                }
-                            },
-                            "X-Chat-Last-Given": {
-                                "schema": {
-                                    "type": "string"
-                                }
-                            }
-                        },
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -4742,12 +4730,7 @@
                                                 "meta": {
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
-                                                "data": {
-                                                    "type": "array",
-                                                    "items": {
-                                                        "$ref": "#/components/schemas/ChatMessageWithParent"
-                                                    }
-                                                }
+                                                "data": {}
                                             }
                                         }
                                     }
@@ -5828,18 +5811,6 @@
                     },
                     "304": {
                         "description": "No messages",
-                        "headers": {
-                            "X-Chat-Last-Common-Read": {
-                                "schema": {
-                                    "type": "string"
-                                }
-                            },
-                            "X-Chat-Last-Given": {
-                                "schema": {
-                                    "type": "string"
-                                }
-                            }
-                        },
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -5858,12 +5829,7 @@
                                                 "meta": {
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
-                                                "data": {
-                                                    "type": "array",
-                                                    "items": {
-                                                        "$ref": "#/components/schemas/ChatMessageWithParent"
-                                                    }
-                                                }
+                                                "data": {}
                                             }
                                         }
                                     }
diff --git a/src/types/openapi/openapi-full.ts b/src/types/openapi/openapi-full.ts
index 3a7fbf37ca..90ec9bcd5f 100644
--- a/src/types/openapi/openapi-full.ts
+++ b/src/types/openapi/openapi-full.ts
@@ -1941,15 +1941,11 @@ export type operations = {
       };
       /** @description No messages */
       304: {
-        headers: {
-          "X-Chat-Last-Common-Read"?: string;
-          "X-Chat-Last-Given"?: string;
-        };
         content: {
           "application/json": {
             ocs: {
               meta: components["schemas"]["OCSMeta"];
-              data: components["schemas"]["ChatMessageWithParent"][];
+              data: unknown;
             };
           };
         };
@@ -2329,15 +2325,11 @@ export type operations = {
       };
       /** @description No messages */
       304: {
-        headers: {
-          "X-Chat-Last-Common-Read"?: string;
-          "X-Chat-Last-Given"?: string;
-        };
         content: {
           "application/json": {
             ocs: {
               meta: components["schemas"]["OCSMeta"];
-              data: components["schemas"]["ChatMessageWithParent"][];
+              data: unknown;
             };
           };
         };
diff --git a/src/types/openapi/openapi.ts b/src/types/openapi/openapi.ts
index 846a56ce41..52251109bf 100644
--- a/src/types/openapi/openapi.ts
+++ b/src/types/openapi/openapi.ts
@@ -1772,15 +1772,11 @@ export type operations = {
       };
       /** @description No messages */
       304: {
-        headers: {
-          "X-Chat-Last-Common-Read"?: string;
-          "X-Chat-Last-Given"?: string;
-        };
         content: {
           "application/json": {
             ocs: {
               meta: components["schemas"]["OCSMeta"];
-              data: components["schemas"]["ChatMessageWithParent"][];
+              data: unknown;
             };
           };
         };
@@ -2160,15 +2156,11 @@ export type operations = {
       };
       /** @description No messages */
       304: {
-        headers: {
-          "X-Chat-Last-Common-Read"?: string;
-          "X-Chat-Last-Given"?: string;
-        };
         content: {
           "application/json": {
             ocs: {
               meta: components["schemas"]["OCSMeta"];
-              data: components["schemas"]["ChatMessageWithParent"][];
+              data: unknown;
             };
           };
         };