diff --git a/lib/messaging-api/api/messagingApiClient.ts b/lib/messaging-api/api/messagingApiClient.ts
index a6f2d4d5d..e750d908c 100644
--- a/lib/messaging-api/api/messagingApiClient.ts
+++ b/lib/messaging-api/api/messagingApiClient.ts
@@ -292,45 +292,6 @@ export class MessagingApiClient {
     const parsedBody = text ? JSON.parse(text) : null;
     return { httpResponse: res, body: parsedBody };
   }
-  /**
-   * Get result of message delivery using phone number
-   * @param date Date the message was sent  Format: `yyyyMMdd` (e.g. `20190831`) Time Zone: UTC+9
-   *
-   * @see <a href="https://developers.line.biz/en/reference/partner-docs/#get-phone-audience-match"> Documentation</a>
-   */
-  public async getAdPhoneMessageStatistics(
-    date: string,
-  ): Promise<NumberOfMessagesResponse> {
-    return (await this.getAdPhoneMessageStatisticsWithHttpInfo(date)).body;
-  }
-
-  /**
-   * Get result of message delivery using phone number.
-   * This method includes HttpInfo object to return additional information.
-   * @param date Date the message was sent  Format: `yyyyMMdd` (e.g. `20190831`) Time Zone: UTC+9
-   *
-   * @see <a href="https://developers.line.biz/en/reference/partner-docs/#get-phone-audience-match"> Documentation</a>
-   */
-  public async getAdPhoneMessageStatisticsWithHttpInfo(
-    date: string,
-  ): Promise<Types.ApiResponseType<NumberOfMessagesResponse>> {
-    const queryParams = {
-      date: date,
-    };
-    Object.keys(queryParams).forEach((key: keyof typeof queryParams) => {
-      if (queryParams[key] === undefined) {
-        delete queryParams[key];
-      }
-    });
-
-    const res = await this.httpClient.get(
-      "/v2/bot/message/delivery/ad_phone",
-      queryParams,
-    );
-    const text = await res.text();
-    const parsedBody = text ? JSON.parse(text) : null;
-    return { httpResponse: res, body: parsedBody };
-  }
   /**
    * Get name list of units used this month
    * @param limit The maximum number of aggregation units you can get per request.
diff --git a/lib/messaging-api/tests/api/MessagingApiClientTest.spec.ts b/lib/messaging-api/tests/api/MessagingApiClientTest.spec.ts
index 5d3721504..5e58ae280 100644
--- a/lib/messaging-api/tests/api/MessagingApiClientTest.spec.ts
+++ b/lib/messaging-api/tests/api/MessagingApiClientTest.spec.ts
@@ -606,112 +606,6 @@ describe("MessagingApiClient", () => {
     server.close();
   });
 
-  it("getAdPhoneMessageStatisticsWithHttpInfo", async () => {
-    let requestCount = 0;
-
-    const server = createServer((req, res) => {
-      requestCount++;
-
-      equal(req.method, "GET");
-      const reqUrl = new URL(req.url, "http://localhost/");
-      equal(
-        reqUrl.pathname,
-        "/v2/bot/message/delivery/ad_phone".replace("{date}", "DUMMY"), // string
-      );
-
-      // Query parameters
-      const queryParams = new URLSearchParams(reqUrl.search);
-      equal(
-        queryParams.get("date"),
-        String(
-          // date: string
-          "DUMMY" as unknown as string, // paramName=date(enum)
-        ),
-      );
-
-      equal(req.headers["authorization"], `Bearer ${channel_access_token}`);
-      equal(req.headers["user-agent"], "@line/bot-sdk/1.0.0-test");
-
-      res.writeHead(200, { "Content-Type": "application/json" });
-      res.end(JSON.stringify({}));
-    });
-    await new Promise(resolve => {
-      server.listen(0);
-      server.on("listening", resolve);
-    });
-
-    const serverAddress = server.address();
-    if (typeof serverAddress === "string" || serverAddress === null) {
-      throw new Error("Unexpected server address: " + serverAddress);
-    }
-
-    const client = new MessagingApiClient({
-      channelAccessToken: channel_access_token,
-      baseURL: `http://localhost:${String(serverAddress.port)}/`,
-    });
-
-    const res = await client.getAdPhoneMessageStatisticsWithHttpInfo(
-      // date: string
-      "DUMMY" as unknown as string, // paramName=date(enum)
-    );
-
-    equal(requestCount, 1);
-    server.close();
-  });
-
-  it("getAdPhoneMessageStatistics", async () => {
-    let requestCount = 0;
-
-    const server = createServer((req, res) => {
-      requestCount++;
-
-      equal(req.method, "GET");
-      const reqUrl = new URL(req.url, "http://localhost/");
-      equal(
-        reqUrl.pathname,
-        "/v2/bot/message/delivery/ad_phone".replace("{date}", "DUMMY"), // string
-      );
-
-      // Query parameters
-      const queryParams = new URLSearchParams(reqUrl.search);
-      equal(
-        queryParams.get("date"),
-        String(
-          // date: string
-          "DUMMY" as unknown as string, // paramName=date(enum)
-        ),
-      );
-
-      equal(req.headers["authorization"], `Bearer ${channel_access_token}`);
-      equal(req.headers["user-agent"], "@line/bot-sdk/1.0.0-test");
-
-      res.writeHead(200, { "Content-Type": "application/json" });
-      res.end(JSON.stringify({}));
-    });
-    await new Promise(resolve => {
-      server.listen(0);
-      server.on("listening", resolve);
-    });
-
-    const serverAddress = server.address();
-    if (typeof serverAddress === "string" || serverAddress === null) {
-      throw new Error("Unexpected server address: " + serverAddress);
-    }
-
-    const client = new MessagingApiClient({
-      channelAccessToken: channel_access_token,
-      baseURL: `http://localhost:${String(serverAddress.port)}/`,
-    });
-
-    const res = await client.getAdPhoneMessageStatistics(
-      // date: string
-      "DUMMY" as unknown as string, // paramName=date(enum)
-    );
-
-    equal(requestCount, 1);
-    server.close();
-  });
-
   it("getAggregationUnitNameListWithHttpInfo", async () => {
     let requestCount = 0;
 
diff --git a/line-openapi b/line-openapi
index 5ae51b6a9..950521edd 160000
--- a/line-openapi
+++ b/line-openapi
@@ -1 +1 @@
-Subproject commit 5ae51b6a91aea5da364666cdc60d24919ad0b6ad
+Subproject commit 950521edd0f5a4508277a3f7e73563bf040aac0f