diff --git a/NetworkLock.h b/NetworkLock.h
index 09328b2..2fe4c9c 100644
--- a/NetworkLock.h
+++ b/NetworkLock.h
@@ -25,7 +25,6 @@ public:
     void initialize();
     void update();
     void setupDevice(const NetworkDeviceType hardware);
-    void initializeW5500();
 
     bool isMqttConnected();