diff --git a/app/src/mobile/util/onMessage.ts b/app/src/mobile/util/onMessage.ts
index b57983b39..1baa03e8d 100644
--- a/app/src/mobile/util/onMessage.ts
+++ b/app/src/mobile/util/onMessage.ts
@@ -23,15 +23,6 @@ export const onMessage = (app: App, data: IWebSocketData) => {
         switch (data.cmd) {
             case "logoutAuth":
                 redirectToCheckAuth();
-                break;
-            case "sendDeviceNotification":
-                if (window.JSAndroid.sendNotification) {
-                    window.JSAndroid.sendNotification(data.data.channel, data.data.id, data.data.title, data.data.body, data.data.delayInSeconds);
-                }
-                if (window.JSHarmony.sendNotification) {
-                    window.JSHarmony.sendNotification(data.data.channel, data.data.id, data.data.title, data.data.body, data.data.delayInSeconds);
-                }
-
                 break;
             case "backgroundtask":
                 if (!document.querySelector("#keyboardToolbar").classList.contains("fn__none") ||
diff --git a/app/src/types/index.d.ts b/app/src/types/index.d.ts
index 7da6c9fe4..d8c019d4e 100644
--- a/app/src/types/index.d.ts
+++ b/app/src/types/index.d.ts
@@ -255,7 +255,7 @@ interface Window {
         getScreenWidthPx(): number
         exit(): void
         setWebViewFocusable(enable: boolean): void
-        sendNotification(channel: string, id: number, title: string, body: string, delayInSeconds: number): number
+        sendNotification(channel: string, title: string, body: string, delayInSeconds: number): number
         cancelNotification(id: number): void
     };
     JSHarmony: {
@@ -275,7 +275,7 @@ interface Window {
         getScreenWidthPx(): number
         exit(): void
         setWebViewFocusable(enable: boolean): void
-        sendNotification(channel: string, id: number, title: string, body: string, delayInSeconds: number): void
+        sendNotification(channel: string, title: string, body: string, delayInSeconds: number): number
         cancelNotification(id: number): void
     };
 
diff --git a/kernel/api/notification.go b/kernel/api/notification.go
index 7104ef0ff..704107680 100644
--- a/kernel/api/notification.go
+++ b/kernel/api/notification.go
@@ -19,76 +19,12 @@ package api
 import (
 	"net/http"
 	"strings"
-	"time"
 
 	"github.com/88250/gulu"
 	"github.com/gin-gonic/gin"
 	"github.com/siyuan-note/siyuan/kernel/util"
 )
 
-func sendDeviceNotification(c *gin.Context) {
-	ret := gulu.Ret.NewResult()
-	defer c.JSON(http.StatusOK, ret)
-
-	arg, ok := util.JsonArg(c, ret)
-	if !ok {
-		return
-	}
-
-	if util.ContainerAndroid != util.Container && util.ContainerHarmony != util.Container {
-		ret.Code = -1
-		ret.Msg = "Just support Android and HarmonyOS"
-		return
-	}
-
-	var channel string
-	if nil != arg["channel"] {
-		channel = strings.TrimSpace(arg["channel"].(string))
-	} else {
-		channel = "SiYuan Notifications"
-	}
-
-	var id int
-	if nil != arg["id"] {
-		id = int(arg["id"].(float64))
-	} else {
-		id = int(time.Now().Unix())
-	}
-
-	var title string
-	if nil != arg["title"] {
-		title = strings.TrimSpace(arg["title"].(string))
-	} else {
-		ret.Code = -1
-		ret.Msg = "title can't be empty"
-		return
-	}
-
-	var body string
-	if nil != arg["body"] {
-		body = strings.TrimSpace(arg["body"].(string))
-	} else {
-		ret.Code = -1
-		ret.Msg = "body can't be empty"
-		return
-	}
-
-	var delayInSeconds int
-	if nil != arg["delayInSeconds"] {
-		delayInSeconds = int(arg["delayInSeconds"].(float64))
-	} else {
-		delayInSeconds = 1
-	}
-
-	util.BroadcastByType("main", "sendDeviceNotification", 0, "", map[string]interface{}{
-		"channel":        channel,
-		"id":             id,
-		"title":          title,
-		"body":           body,
-		"delayInSeconds": delayInSeconds,
-	})
-}
-
 func pushMsg(c *gin.Context) {
 	ret := gulu.Ret.NewResult()
 	defer c.JSON(http.StatusOK, ret)
diff --git a/kernel/api/router.go b/kernel/api/router.go
index f3d031f93..ffa717939 100644
--- a/kernel/api/router.go
+++ b/kernel/api/router.go
@@ -458,7 +458,6 @@ func ServeAPI(ginServer *gin.Engine) {
 
 	ginServer.Handle("POST", "/api/notification/pushMsg", model.CheckAuth, model.CheckAdminRole, pushMsg)
 	ginServer.Handle("POST", "/api/notification/pushErrMsg", model.CheckAuth, model.CheckAdminRole, pushErrMsg)
-	ginServer.Handle("POST", "/api/notification/sendDeviceNotification", model.CheckAuth, model.CheckAdminRole, sendDeviceNotification)
 
 	ginServer.Handle("POST", "/api/snippet/getSnippet", model.CheckAuth, getSnippet)
 	ginServer.Handle("POST", "/api/snippet/setSnippet", model.CheckAuth, model.CheckAdminRole, model.CheckReadonly, setSnippet)