diff --git a/src/devices/device.ts b/src/devices/device.ts
index def6488..556e193 100644
--- a/src/devices/device.ts
+++ b/src/devices/device.ts
@@ -107,11 +107,15 @@ export class Device extends EventEmitter {
         }
     }
 
+    public unsubscribe (mode: number) {
+        this._ensureConnected();
+    }
+
     public receive (message: Buffer) {
         this.emitGlobal("receive", { message });
     }
 
-    public emitGlobal (event: string, ...args: any) {
+    public emitGlobal (event: string, ...args: any[]) {
         this.emit(event, ...args);
         if (this.hub.listenerCount(event) > 0) {
             this.hub.emit(event, this, ...args);
diff --git a/src/hubs/basehub.ts b/src/hubs/basehub.ts
index e711455..d9ace2d 100644
--- a/src/hubs/basehub.ts
+++ b/src/hubs/basehub.ts
@@ -289,6 +289,11 @@ export class BaseHub extends EventEmitter {
     }
 
 
+    public unsubscribe (portId: number, deviceType: number, mode: number) {
+        // NK Do nothing here
+    }
+
+
     protected _attachDevice (device: Device) {
         this._attachedDevices[device.portId] = device;
         /**
diff --git a/src/hubs/wedo2smarthub.ts b/src/hubs/wedo2smarthub.ts
index b2afaad..1da11d1 100644
--- a/src/hubs/wedo2smarthub.ts
+++ b/src/hubs/wedo2smarthub.ts
@@ -141,8 +141,8 @@ export class WeDo2SmartHub extends BaseHub {
     }
 
 
-    protected _deactivatePortDevice (port: number, type: number, mode: number, format: number, callback?: () => void) {
-        this.send(Buffer.from([0x01, 0x02, port, type, mode, 0x01, 0x00, 0x00, 0x00, format, 0x00]), Consts.BLECharacteristic.WEDO2_PORT_TYPE_WRITE, callback);
+    public unsubscribe (portId: number, deviceType: number, mode: number) {
+        this.send(Buffer.from([0x01, 0x02, portId, deviceType, mode, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00]), Consts.BLECharacteristic.WEDO2_PORT_TYPE_WRITE);
     }