diff --git a/discovery/bigquerydatatransfer-v1.json b/discovery/bigquerydatatransfer-v1.json
index 9ada68adb6..92dd041ba4 100644
--- a/discovery/bigquerydatatransfer-v1.json
+++ b/discovery/bigquerydatatransfer-v1.json
@@ -343,6 +343,35 @@
                 "https://www.googleapis.com/auth/cloud-platform",
                 "https://www.googleapis.com/auth/cloud-platform.read-only"
               ]
+            },
+            "unenrollDataSources": {
+              "description": "Unenroll data sources in a user project. This allows users to remove transfer configurations for these data sources. They will no longer appear in the ListDataSources RPC and will also no longer appear in the [BigQuery UI](https://console.cloud.google.com/bigquery).",
+              "flatPath": "v1/projects/{projectsId}/locations/{locationsId}:unenrollDataSources",
+              "httpMethod": "POST",
+              "id": "bigquerydatatransfer.projects.locations.unenrollDataSources",
+              "parameterOrder": [
+                "name"
+              ],
+              "parameters": {
+                "name": {
+                  "description": "The name of the project resource in the form: `projects/{project_id}`",
+                  "location": "path",
+                  "pattern": "^projects/[^/]+/locations/[^/]+$",
+                  "required": true,
+                  "type": "string"
+                }
+              },
+              "path": "v1/{+name}:unenrollDataSources",
+              "request": {
+                "$ref": "UnenrollDataSourcesRequest"
+              },
+              "response": {
+                "$ref": "Empty"
+              },
+              "scopes": [
+                "https://www.googleapis.com/auth/bigquery",
+                "https://www.googleapis.com/auth/cloud-platform"
+              ]
             }
           },
           "resources": {
@@ -1342,7 +1371,7 @@
       }
     }
   },
-  "revision": "20230905",
+  "revision": "20240130",
   "rootUrl": "https://bigquerydatatransfer.googleapis.com/",
   "schemas": {
     "CheckValidCredsRequest": {
@@ -2125,6 +2154,20 @@
       },
       "type": "object"
     },
+    "UnenrollDataSourcesRequest": {
+      "description": "A request to unenroll a set of data sources so they are no longer visible in the BigQuery UI's `Transfer` tab.",
+      "id": "UnenrollDataSourcesRequest",
+      "properties": {
+        "dataSourceIds": {
+          "description": "Data sources that are unenrolled. It is required to provide at least one data source id.",
+          "items": {
+            "type": "string"
+          },
+          "type": "array"
+        }
+      },
+      "type": "object"
+    },
     "UserInfo": {
       "description": "Information about a user.",
       "id": "UserInfo",
diff --git a/src/apis/bigquerydatatransfer/v1.ts b/src/apis/bigquerydatatransfer/v1.ts
index 00c47cffac..a71d045966 100644
--- a/src/apis/bigquerydatatransfer/v1.ts
+++ b/src/apis/bigquerydatatransfer/v1.ts
@@ -654,6 +654,15 @@ export namespace bigquerydatatransfer_v1 {
      */
     userId?: string | null;
   }
+  /**
+   * A request to unenroll a set of data sources so they are no longer visible in the BigQuery UI's `Transfer` tab.
+   */
+  export interface Schema$UnenrollDataSourcesRequest {
+    /**
+     * Data sources that are unenrolled. It is required to provide at least one data source id.
+     */
+    dataSourceIds?: string[] | null;
+  }
   /**
    * Information about a user.
    */
@@ -1374,6 +1383,94 @@ export namespace bigquerydatatransfer_v1 {
         return createAPIRequest<Schema$ListLocationsResponse>(parameters);
       }
     }
+
+    /**
+     * Unenroll data sources in a user project. This allows users to remove transfer configurations for these data sources. They will no longer appear in the ListDataSources RPC and will also no longer appear in the [BigQuery UI](https://console.cloud.google.com/bigquery).
+     *
+     * @param params - Parameters for request
+     * @param options - Optionally override request options, such as `url`, `method`, and `encoding`.
+     * @param callback - Optional callback that handles the response.
+     * @returns A promise if used with async/await, or void if used with a callback.
+     */
+    unenrollDataSources(
+      params: Params$Resource$Projects$Locations$Unenrolldatasources,
+      options: StreamMethodOptions
+    ): GaxiosPromise<Readable>;
+    unenrollDataSources(
+      params?: Params$Resource$Projects$Locations$Unenrolldatasources,
+      options?: MethodOptions
+    ): GaxiosPromise<Schema$Empty>;
+    unenrollDataSources(
+      params: Params$Resource$Projects$Locations$Unenrolldatasources,
+      options: StreamMethodOptions | BodyResponseCallback<Readable>,
+      callback: BodyResponseCallback<Readable>
+    ): void;
+    unenrollDataSources(
+      params: Params$Resource$Projects$Locations$Unenrolldatasources,
+      options: MethodOptions | BodyResponseCallback<Schema$Empty>,
+      callback: BodyResponseCallback<Schema$Empty>
+    ): void;
+    unenrollDataSources(
+      params: Params$Resource$Projects$Locations$Unenrolldatasources,
+      callback: BodyResponseCallback<Schema$Empty>
+    ): void;
+    unenrollDataSources(callback: BodyResponseCallback<Schema$Empty>): void;
+    unenrollDataSources(
+      paramsOrCallback?:
+        | Params$Resource$Projects$Locations$Unenrolldatasources
+        | BodyResponseCallback<Schema$Empty>
+        | BodyResponseCallback<Readable>,
+      optionsOrCallback?:
+        | MethodOptions
+        | StreamMethodOptions
+        | BodyResponseCallback<Schema$Empty>
+        | BodyResponseCallback<Readable>,
+      callback?:
+        | BodyResponseCallback<Schema$Empty>
+        | BodyResponseCallback<Readable>
+    ): void | GaxiosPromise<Schema$Empty> | GaxiosPromise<Readable> {
+      let params = (paramsOrCallback ||
+        {}) as Params$Resource$Projects$Locations$Unenrolldatasources;
+      let options = (optionsOrCallback || {}) as MethodOptions;
+
+      if (typeof paramsOrCallback === 'function') {
+        callback = paramsOrCallback;
+        params = {} as Params$Resource$Projects$Locations$Unenrolldatasources;
+        options = {};
+      }
+
+      if (typeof optionsOrCallback === 'function') {
+        callback = optionsOrCallback;
+        options = {};
+      }
+
+      const rootUrl =
+        options.rootUrl || 'https://bigquerydatatransfer.googleapis.com/';
+      const parameters = {
+        options: Object.assign(
+          {
+            url: (rootUrl + '/v1/{+name}:unenrollDataSources').replace(
+              /([^:]\/)\/+/g,
+              '$1'
+            ),
+            method: 'POST',
+          },
+          options
+        ),
+        params,
+        requiredParams: ['name'],
+        pathParams: ['name'],
+        context: this.context,
+      };
+      if (callback) {
+        createAPIRequest<Schema$Empty>(
+          parameters,
+          callback as BodyResponseCallback<unknown>
+        );
+      } else {
+        return createAPIRequest<Schema$Empty>(parameters);
+      }
+    }
   }
 
   export interface Params$Resource$Projects$Locations$Enrolldatasources
@@ -1414,6 +1511,18 @@ export namespace bigquerydatatransfer_v1 {
      */
     pageToken?: string;
   }
+  export interface Params$Resource$Projects$Locations$Unenrolldatasources
+    extends StandardParameters {
+    /**
+     * The name of the project resource in the form: `projects/{project_id\}`
+     */
+    name?: string;
+
+    /**
+     * Request body metadata
+     */
+    requestBody?: Schema$UnenrollDataSourcesRequest;
+  }
 
   export class Resource$Projects$Locations$Datasources {
     context: APIRequestContext;